{ "type": "Domain", "indicator": "mgoogle.us", "general": { "sections": [ "general", "geo", "url_list", "passive_dns", "malware", "whois", "http_scans" ], "whois": "http://whois.domaintools.com/mgoogle.us", "alexa": "http://www.alexa.com/siteinfo/mgoogle.us", "indicator": "mgoogle.us", "type": "domain", "type_title": "Domain", "validation": [], "base_indicator": { "id": 1593631940, "indicator": "mgoogle.us", "type": "domain", "title": "", "description": "", "content": "", "access_type": "public", "access_reason": "" }, "pulse_info": { "count": 2, "pulses": [ { "id": "69f4dfa6405cf7858f1b732a", "name": "2015: Malware Analysis Report", "description": "", "modified": "2026-05-01T17:15:18.968000", "created": "2026-05-01T17:15:18.968000", "tags": [], "references": [ "2015-01-08 - Getmypass Point of Sale Malware Update.pdf", "2015-01-13 - New Carberp variant heads down under.pdf", "2015-01-11 - The Mozart RAM Scraper.pdf", "2015-01-06 - Linux DDoS Trojan hiding itself with an embedded rootkit.pdf", "2015-01-09 - Chanitor Downloader Actively Installing Vawtrak.pdf", "2015-01-08 - Major malvertising campaign spreads Kovter Ad Fraud malware.pdf", "2015-01-15 - Weiterentwicklung anspruchsvoller Spyware- von Agent.BTZ zu ComRAT.pdf", "2015-01-20 - Analysis of Project Cobra.pdf", "2015-01-14 - Catching the \u201cInception Framework\u201d Phishing Attack.pdf", "2015-01-22 - New RATs Emerge from Leaked Njw0rm Source Code.pdf", "2015-01-26 - Storm Chasing- Hunting Hurricane Panda.pdf", "2015-01-21 - The DGA of Symmi.pdf", "2015-01-22 - Malvertising Leading To Flash Zero Day Via Angler Exploit Kit.pdf", "2015-02-04 - Pawn Storm Update- iOS Espionage App Found.pdf", "2015-01-22 - Scarab attackers took aim at select Russian targets since 2012.pdf", "2015-02-09 - Anthem Breach May Have Started in April 2014.pdf", "2015-02-15 - Carbanak.pdf", "2015-02-16 - Equation- The Death Star of Malware Galaxy.pdf", "2015-02-16 - How \u201comnipotent\u201d hackers tied to NSA hid for 14 years\u2014and were found at last.pdf", "2015-02-12 - Mobile Malware Gang Steals Millions from South Korean Users.pdf", "2015-02-17 - Ali Baba, the APT group from the Middle East.pdf", "2015-02-17 - Angry Android hacker hides Xbot malware in popular application icons .pdf", "2015-02-17 - BE2 extraordinary plugins, Siemens targeting, dev fails.pdf", "2015-02-18 - Babar- espionage software finally found and put under the microscope.pdf", "2015-02-18 - Babar- Suspected Nation State Spyware In The Spotlight.pdf", "2015-02-17 - The Desert Falcons targeted attacks.pdf", "2015-02-18 - Sexually Explicit Material Used as Lures in Recent Cyber Attacks.pdf", "2015-02-05 - Anatomy of a Brute Force Campaign- The Story of Hee Thai Limited.pdf", "2015-02-18 - Meet Babar, a New Malware Almost Certainly Created by France.pdf", "2015-02-25 - KINS Banking Trojan Source Code.pdf", "2015-02-19 - Arid Viper \u2013 Israel entities targeted by malware packaged with sex video.pdf", "2015-02-23 - Cyber Kung-Fu- The Great Firewall Art of DNS Poisoning.pdf", "2015-02-27 - ScanBox Framework.pdf", "2015-02-25 - Pony Sourcecode.pdf", "2015-02-20 - The DGAs of Necurs.pdf", "2015-03-03 - C99Shell not dead.pdf", "2015-03-03 - PwnPOS- Old Undetected PoS Malware Still Causing Havoc.pdf", "2015-03-04 - New crypto ransomware in town - CryptoFortress.pdf", "2015-03-04 - And you get a POS malware name...and you get a POS malware name....and you get a POS malware name.....pdf", "2015-03-06 - Animals in the APT Farm.pdf", "2015-03-07 - Slave, Banatrix and ransomware.pdf", "2015-02-27 - The Anthem Hack- All Roads Lead to China.pdf", "2015-03-05 - Casper Malware- After Babar and Bunny, Another Espionage Cartoon.pdf", "2015-03-09 - CryptoFortress mimics TorrentLocker but is a different ransomware.pdf", "2015-03-04 - Who\u2019s Really Spreading through the Bright Star-.pdf", "2015-03-10 - The DGA of Pykspa.pdf", "2015-03-11 - Malvertising Targeting European Transit Users.pdf", "2015-03-19 - Analyzing a Backdoor-Bot forthe MIPS Platform.pdf", "2015-03-11 - Inside the EquationDrug Espionage Platform.pdf", "2015-02-27 - VB2014 paper- The pluginer - Caphaw.pdf", "2015-03-19 - Rocket Kitten Showing Its Claws- Operation Woolen-GoldFish and the GHOLE campaign.pdf", "2015-03-30 - Fake Judicial Spam Leads to Backdoor with Fake Certificate Authority.pdf", "2015-03-19 - FindPOS- New POS Malware Family Discovered.pdf", "2015-03-31 - Volatile Cedar - Analysis of a Global Cyber Espionage Campaign.pdf", "2015-03-20 - Threat Spotlight- PoSeidon, A Deep Dive Into Point of Sale Malware.pdf", "2015-03-30 - New reconnaissance threat Trojan.Laziok targets the energy sector.pdf", "2015-03-31 - Sinkholing Volatile Cedar DGA Infrastructure.pdf", "2015-04-01 - NewPosThings Has New PoS Things.pdf", "2015-04-09 - Beebone Botnet Takedown- Trend Micro Solutions.pdf", "2015-03-28 - UACME.pdf", "2015-04-09 - Operation Buhtrap, the trap for Russian accountants.pdf", "2015-04-13 - Cyber Deterrence in Action- A story of one long HURRICANE PANDA campaign.pdf", "2015-04-15 - Elite cyber crime group strikes back after attack by rival APT gang.pdf", "2015-04-13 - Analyzing Gootkit's persistence mechanism (new ASEP inside!).pdf", "2015-04-14 - Unit 42 Identifies New DragonOK Backdoor Malware Deployed Against Japanese Targets.pdf", "2015-04-15 - Betabot retrospective.pdf", "2015-04-12 - SIMDA- A Botnet Takedown.pdf", "2015-04-15 - Knowledge Fragment- Bruteforcing Andromeda Configuration Buffers.pdf", "2015-04-13 - sqlconnt1.exe.pdf", "2015-04-18 - Operation RussianDoll- Adobe & Windows Zero-Day Exploits Likely Leveraged by Russia\u2019s APT28 in Highly-Targeted Attack.pdf", "2015-04-15 - New POS Malware Emerges - Punkey.pdf", "2015-04-15 - The Chronicles of the Hellsing APT- the Empire Strikes Back.pdf", "2015-04-21 - Bedep\u2019s DGA- Trading Foreign Exchange for Malware Domains.pdf", "2015-04-17 - Andromeda-Gamarue bot loves JSON too (new versions details).pdf", "2015-04-27 - Attacks against Israeli & Palestinian interests.pdf", "2015-05-04 - Threat Spotlight- Rombertik \u2013 Gazing Past the Smoke, Mirrors, and Trapdoors.pdf", "2015-04-15 - The Chronicles of the Hellsing APT_the Empire Strikes Back.pdf", "2015-05-10 - Third-Party Software Was Entry Point for Background-Check System Hack.pdf", "2015-04-29 - Unboxing Linux-Mumblehard- Muttering spam from your servers.pdf", "2015-05-15 - Carefirst Blue Cross Breach Hits 1.1M.pdf", "2015-05-14 - The Naikon APT.pdf", "2015-05-07 - Dissecting the \u201cKraken\u201d.pdf", "2015-05-18 - Cmstar Downloader- Lurid and Enfal\u2019s New Cousin.pdf", "2015-05-17 - Newest addition to a happy family- KBOT.pdf", "2015-05-22 - The DGA of Ranbyus.pdf", "2015-04-27 - Threat Spotlight- TeslaCrypt \u2013 Decrypt It Yourself.pdf", "2015-05-20 - Bedep Ad-Fraud Botnet Analysis \u2013 Exposing the Mechanics Behind 153.6M Defrauded Ad Impressions A Day.pdf", "2015-05-23 - NitlovePOS- Another New POS Malware.pdf", "2015-05-26 - Moose \u2013 the router worm with an appetite for social networks.pdf", "2015-05-18 - TT Malware Log.pdf", "2015-06-01 - Rhetoric Foreshadows Cyber Activity in the South China Sea.pdf", "2015-05-28 - Unusual Exploit Kit Targets Chinese Users (Part 1).pdf", "2015-06-03 - Thamar Reservoir \u2013 An Iranian cyber-attack campaign against targets in the Middle East.pdf", "2015-06-01 - \u201cTroldesh\u201d \u2013 New Ransomware from Russia.pdf", "2015-06-04 - KeyBase Keylogger Malware Family Exposed.pdf", "2015-06-12 - Unusual Exploit Kit Targets Chinese Users (Part 2).pdf", "2015-06-15 - Stegoloader- A Stealthy Information Stealer.pdf", "2015-06-15 - Catching Up on the OPM Breach.pdf", "2015-06-10 - The Mystery of Duqu 2.0- a sophisticated cyberespionage actor returns.pdf", "2015-06-16 - Operation Lotus Blossom- A New Nation-State Cyberthreat-.pdf", "2015-06-09 - New Data- Volatile Cedar Malware Campaign.pdf", "2015-05-29 -The MsnMM Campaigns - The Earliest Naikon APT Campaigns.pdf", "2015-06-22 - Games are over- Winnti is now targeting pharmaceutical companies.pdf", "2015-06-19 - Digital Attack on German Parliament- Investigative Report on the Hack of the Left Party Infrastructure in Bundestag.pdf", "2015-06-23 - Operation Clandestine Wolf \u2013 Adobe Flash Zero-Day in APT3 Phishing Campaign.pdf", "2015-06-18 - So Long, and Thanks for All the Domains.pdf", "2015-06-17 - The Spring Dragon APT.pdf", "2015-06-25 - Sundown EK Spreads LuminosityLink RAT- Light After Dark.pdf", "2015-06-24 - Stealthy Cyberespionage Campaign Attacks With Social Engineering.pdf", "2015-06-24 - UnFIN4ished Business.pdf", "2015-07-08 - Wild Neutron \u2013 Economic espionage threat actor returns with new tricks.pdf", "2015-07-02 - Win32-Lethic Botnet Analysis.pdf", "2015-07-10 - Sednit APT Group Meets Hacking Team.pdf", "2015-06-24 - Elusive HanJuan EK Drops New Tinba Version (updated).pdf", "2015-07-07 - Dyre Banking Trojan Exploits CVE-2015-0057.pdf", "2015-07-13 - Revisiting The Bunitu Trojan.pdf", "2015-07-14 - BernhardPOS.pdf", "2015-07-14 - TeslaCrypt 2.0 disguised as CryptoWall.pdf", "2015-07-08 - Butterfly- Profiting from high-level corporate attacks.pdf", "2015-07-05 - Spy Tech Company 'Hacking Team' Gets Hacked.pdf", "2015-07-08 - Animal Farm APT and the Shadow of French Intelligence.pdf", "2015-07-16 - Github Repo with source code of cd00r.c.pdf", "2015-07-19 - The Faulty Precursor of Pykspa's DGA.pdf", "2015-07-31 - OTX Pulse on PlugX.pdf", "2015-08 - Uncovering the Seven Pointed Dagger.pdf", "2015-07-27 - UPS- Observations on CVE-2015-3113, Prior Zero-Days and the Pirpi Payload.pdf", "2015-07-13 - \u201cForkmeiamfamous\u201d- Seaduke, latest weapon in the Duke armory.pdf", "2015-07-20 - Watering Hole Attack on Aerospace Firm Exploits CVE-2015-5122 to Install IsSpace Backdoor.pdf", "2015-07-22 - Duke APT group's latest tools- cloud services and Linux support.pdf", "2015-07-30 - Sakula Malware Family.pdf", "2015-08-10 - Darkhotel\u2019s attacks in 2015.pdf", "2015-08-05 - Newly discovered Chinese hacking group hacked 100+ websites to use as \u201cwatering holes\u201d.pdf", "2015-07-31 - OTX- FBI Flash 68 (PlugX).pdf", "2015-07-30 - Operation Potao Express- Analysis of a cyber?espionage toolkit.pdf", "2015-08-18 - Knowledge Fragment- Unwrapping Fobber.pdf", "2015-08-12 - Islamic State Hacking Division.pdf", "2015-08-19 - Antak WebShell.pdf", "2015-08-12 - Tinba Trojan Sets Its Sights on Romania.pdf", "2015-08-05 - Newly discovered Chinese hacking group hacked over 100 websites to use as \u201cwatering holes\u201d.pdf", "2015-08-18 - ransomware open-sources.pdf", "2015-08-26 - Sphinx, a new variant of Zeus available for sale in the underground.pdf", "2015-08-19 - Inside Neutrino botnet builder.pdf", "2015-08-05 - Threat Group 3390 Cyberespionage.pdf", "2015-08-24 - Sphinx- New Zeus Variant for Sale on the Black Market.pdf", "2015-08-05 - Who\u2019s Behind Your Proxy- Uncovering Bunitu\u2019s Secrets.pdf", "2015-08-20 - Retefe Banking Trojan Targets Sweden, Switzerland and Japan.pdf", "2015-09-09 - Pony Stealer Malware.pdf", "2015-09-16 - Operation Iron Tiger- Attackers Shift from East Asia to the United States.pdf", "2015-08-27 - London Calling- Two-Factor Authentication Phishing From Iran.pdf", "2015-09-11 - CSI MacMark- Janicab.pdf", "2015-09-12 - Stuxnet code.pdf", "2015-09-23 - Chinese Actors Use \u20183102\u2019 Malware in Attacks on US Government and EU Media.pdf", "2015-08-27 - New Spear Phishing Campaign Pretends to be EFF.pdf", "2015-09-08 - Carbanak gang is back and packing new guns.pdf", "2015-09-03 - Three Variants of Murofet's DGA.pdf", "2015-09-01 - Attackers Target Organizations in Japan; Transform Local Sites into C&C Servers for EMDIVI Backdoor.pdf", "2015-08-31 - Shifu- \u2018Masterful\u2019 New Banking Trojan Is Attacking 14 Japanese Banks.pdf", "2015-09-14 - The Shade Encryptor- a Double Threat.pdf", "2015-09-11 - SUCEFUL- Next Generation ATM Malware.pdf", "2015-09-09 - Satellite Turla- APT Command and Control in the Sky.pdf", "2015-09-17 - The Dukes- 7 Years Of Russian Cyber-Espionage.pdf", "2015-09-24 - Credit Card-Scraping Kasidet Builder Leads to Spike in Detections.pdf", "2015-09-24 - Kovter malware learns from Poweliks with persistent fileless registry update.pdf", "2015-09-18 - Operation Arid Viper Slithers Back into View.pdf", "2015-09-01 - Fancy Bear.pdf", "2015-09-25 - Notes on Linux-Xor.DDoS.pdf", "2015-09-23 - Ranbyus's DGA, Revisited.pdf", "2015-09-29 - Andromeda Bot Analysis part 1.pdf", "2015-10-06 - I am HDRoot! Part 1.pdf", "2015-10-06 - Ticked Off- Upatre Malware\u2019s Simple Anti-analysis Trick to Defeat Sandboxes.pdf", "2015-10-01 - Linux.Rekoobe.1.pdf", "2015-10-06 - MOKER- A NEW APT DISCOVERED WITHIN A SENSITIVE NETWORK.pdf", "2015-10-06 - Targeted Attack Exposes OWA Weakness.pdf", "2015-09-28 - Gaza cybergang, where\u2019s your IR team-.pdf", "2015-10-12 - Keybase Logger-Clipboard-CredsStealer campaign.pdf", "2015-10-07 - Hacker Group Creates Network of Fake LinkedIn Profiles.pdf", "2015-10-09 - Latest TeslaCrypt Ransomware Borrows Code From Carberp Trojan.pdf", "2015-10-09 - Beta Bot Analysis- Part 1.pdf", "2015-10-13 - I am HDRoot! Part 2.pdf", "2015-09-28 - Two New PoS Malware Affecting US SMBs.pdf", "2015-10-13 - Dridex (Bugat v5) Botnet Takeover Operation.pdf", "2015-10-19 - Github Repository for AllaKore.pdf", "2015-10-16 - Surveillance Malware Trends- Tracking Predator Pain and HawkEye.pdf", "2015-10-13 - New Adobe Flash Zero-Day Used in Pawn Storm Campaign Targeting Foreign Affairs Ministries.pdf", "2015-09-24 - Meet GreenDispenser- A New Breed of ATM Malware.pdf", "2015-10-17 - How to Write Simple but Sound Yara Rules \u2013 Part 2.pdf", "2015-10-13 - Prolific Cybercrime Gang Favors Legit Login Credentials.pdf", "2015-10-15 - Archivist.pdf", "2015-09-23 - Quaverse RAT- Remote-Access-as-a-Service.pdf", "2015-10-26 - Duuzer back door Trojan targets South Korea to take over computers.pdf", "2015-10-22 - Pawn Storm Targets MH17 Investigation Team.pdf", "2015-11-02 - Troj-Cryakl-B.pdf", "2015-09-29 - Andromeda Bot Analysis part 2.pdf", "2015-10-28 - Reversing the C2C HTTP Emmental communication.pdf", "2015-11-02 - Modular trojan for hidden access to a computer.pdf", "2015-11-03 - Reversing the SMS C&C protocol of Emmental (1st part - understanding the code).pdf", "2015-11-05 - Sphinx Moth- Expanding our knowledge of the \u201cWild Neutron\u201d - \u201cMorpho\u201d APT.pdf", "2015-09-28 - Hammertoss- What, Me Worry-.pdf", "2015-10-08 - Dyre Malware Campaigners Innovate with Distribution Techniques.pdf", "2015-11-04 - \u201cOffline\u201d Ransomware Encrypts Your Data without C&C Communication.pdf", "2015-11-10 - Bookworm Trojan- A Model of Modular Architecture.pdf", "2015-11-11 - Operation Buhtrap malware distributed via ammyy.com.pdf", "2015-11-02 - Shifu \u2013 the rise of a self-destructive banking trojan.pdf", "2015-11-04 - DroidJack isn\u2019t the only spying software out there- Avast discovers OmniRat.pdf", "2015-11-17 - New Memory Scraping Technique in Cherry Picker PoS Malware.pdf", "2015-11-11 - AbaddonPOS- A new point of sale threat linked to Vawtrak.pdf", "2015-12-01 - China-based Cyber Threat Group Uses Dropbox for Malware Communications and Targets Hong Kong Media Outlets.pdf", "2015-11-16 - Shining the Spotlight on Cherry Picker PoS Malware.pdf", "2015-12-03 - Colombians major target of email campaigns delivering Xtreme RAT.pdf", "2015-11-04 - A Technical Look At Dyreza.pdf", "2015-12-04 - Sofacy APT hits high profile targets with updated toolset.pdf", "2015-12-16 - Nemucod malware spreads ransomware Teslacrypt around the world.pdf", "2015-12-08 - VT Report for SmartEyes.pdf", "2015-12-09 - Inside Chimera Ransomware - the first 'doxingware' in wild.pdf", "2015-12-18 - Attack on French Diplomat Linked to Operation Lotus Blossom.pdf", "2015-12-17 - SlemBunk- An Evolving Android Trojan Family Targeting Users of Worldwide Banking Apps.pdf", "2015-12-26 - Backdoor- Win32-Hesetox.A- vSkimmer POS Malware Analysis _.pdf", "2015-11-20 - A king's ransom- an analysis of the CTB-locker ransomware.pdf", "2015-11-16 - Introducing LogPOS.pdf", "2015-12-22 - Kraken's two Domain Generation Algorithms.pdf", "2015-12-07 - Iran-based attackers use back door threats to spy on Middle Eastern targets.pdf", "2015-11-06 - OmniRAT Takes Over Android Devices Through Social Engineering Tricks.pdf", "2015-12-11 - LATENTBOT- Trace Me If You Can.pdf", "2015-11-30 - Inside Braviax-FakeRean- An analysis and history of a FakeAV family.pdf", "2015-12-01 - Operation Black Atlas Endangers In-Store Card Payments and SMBs Worldwide; Switches between BlackPOS and Other Tools.pdf", "2015-12-22 - BBSRAT Attacks Targeting Russian Organizations Linked to Roaming Tiger.pdf", "Agent.BTZ to ComRAT.pdf", "2015-11-25 - Detecting GlassRAT using Security Analytics and ECAT.pdf", "2015-12-08 - Packrat- Seven Years of a South American Threat Actor.pdf", "Afghan Government Compromise - Browser Beware.pdf", "Anthem hack all roads lead to China.pdf", "ANALYSIS ON APT TO BE ATTACK THAT FOCUSING ON CHINAS GOVERNMENT AGENCY.pdf", "Animals in the APT Farm.pdf", "APT CVE-2015-5119.pdf", "APT 28 (1).pdf", "Attacks against Israeli & Palestinian interests.pdf", "APT group ups targets us gov.pdf", "Black Energy.pdf", "blog.pdf", "APT 28.pdf", "Babar.pdf", "Black Vine.pdf", "Behind the syria conflict.pdf", "Attacks on France TV5 Monde.pdf", "Casper Malware.pdf", "2015-12-31 - Overseas -Dark Inn- organization launched an APT attack on executives of domestic enterprises.pdf", "Demonstrating Hustle.pdf", "Cmstar Downloader.pdf", "Apt 28 (2).pdf", "Bookworm Trojan (1).pdf", "ANALYSIS ON APT-TO-BE ATTACK THAT FOCUSING ON CHINAS GOVERNMENT AGENCY.pdf", "Duke cloud Linux.pdf", "Dukes.pdf", "Duqu 2.0 Yara rules.pdf", "Duqu 2.0 Win32K Exploit.pdf", "Dino.pdf", "Duke cloud Linux (1).pdf", "Goldfish Phishing.pdf", "Indicators of Compormise Hellsing.pdf", "Rocket Kitten.pdf", "Trojan Skelky.pdf", "Wild Neutron.pdf", "2015-04-09 - The Banking Trojan Emotet- Detailed Analysis.pdf", "2015-07-23 - An Analysis of the Qadars Banking Trojan.pdf", "Babar or Bunny.pdf", "BBSRAT Roaming Tiger.pdf", "Blue termite (1).pdf", "China Peace Palace.pdf", "Copy Kittens.pdf", "Emdivi.pdf" ], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "white", "cloned_from": null, "export_count": 2, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "kikinumpav", "id": "385742", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 1032, "FileHash-SHA1": 544, "IPv4": 487, "FileHash-MD5": 1665, "URL": 673, "hostname": 959, "CVE": 45, "FileHash-SHA256": 411, "email": 11, "CIDR": 4, "BitcoinAddress": 2, "YARA": 7 }, "indicator_count": 5840, "is_author": false, "is_subscribing": null, "subscriber_count": 13, "modified_text": "29 days ago ", "is_modified": false, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "related_indicator_is_active": 1 }, { "id": "6992bae83a5988dff8311490", "name": "Distributed Credential Exhaustion & C2 Orchestration via Golang-Based StealthWorker (ELF.Agent-VW)", "description": "Researcher credit: msudosos, level blue platform----\nThis artifact represents a high-integrity StealthWorker (GoBrut) botnet agent, architected as a statically linked, stripped 32-bit ELF binary to ensure cross-platform environmental independence. The sample utilizes XOR 0x20-encoded JavaScript payloads and String.fromCharCode obfuscation to mask its internal logic and bypass heuristic-based memory scanners. [User Notes] Its operational core is a multi-threaded service bruter targeting SSH, MySQL, and CMS backends, leveraging a massive infrastructure of 1,834 domains and 797 unique IPv4 endpoints for decentralized Command & Control (C2). Network telemetry confirms the use of ICMP and HTTP-based beaconing, indicating a sophisticated retry logic designed to maintain persistence across diverse network topologies. With a malicious file score of 10, this binary serves as a primary vector for large-scale credential harvesting and the subsequent integration of Linux infrastructure into global botnet clusters.", "modified": "2026-04-24T13:20:48.450000", "created": "2026-02-16T06:36:24.788000", "tags": [ "Obfuscation: XOR-based String Encryption (0x20)", "T1110.001 (Brute Force: Password Guessing)", "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba", "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "#PotentialUS-Origin_FalseFlag_Obfuscation" ], "references": [ "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba5c9390e94bd4333b7fad186", "Obfuscation: XOR-based String Encryption (0x20)", "T1110.001 (Brute Force: Password Guessing)", "This ELF 32-bit LSB artifact is a sophisticated GoBrut/StealthWorker agent, compiled via Golang 1.10 and stripped to obfuscate its high-velocity service-bruting logic. VirusTotal confirms a critical threat profile with 44/65 security vendors flagging the file, which leverages a unique Go BuildID (nGYES3pajdOm...) and a Telfhash (t1f303a0...) for architectural fingerprinting. The binary orchestrates decentralized Command and Control (C2) through an expansive infrastructure of 797 unique IPs and 1,834 domains", "Pivot-Ready Indicators (IOCs) Go BuildID: nGYES3pajdOmKy1i6Ghh/KO9ydOtZpXtoKtB0KHE-/iisNoniHgTbj_cV6M-uk/XmMYzkBiZs8NXMRZYTiT Telfhash: t1f303a0b3055d54e8b7f08907c7af7624cef6e0f726d078f169e278d09a72c826626874 Imphash: 9698f46495ce9401c8bcaf9a2afe1598 Vhash: 1e53f1a1b59ecb93f821c74b25d81e9f", "Researcher msudosos posits a strategic exploitation of Root Certificate Validation Failures, where the adversary leverages an expired trust chain to bypass heuristic security filters and establish persistence.", "his technique allows the GoBrut/StealthWorker agent to circumvent automated revocation checks, enabling its decentralized C2 infrastructure to recruit Linux hosts via high-velocity credential exhaustion.", "The local environment exhibits advanced telemetry suppression within specialized skim memory regions, effectively neutralizing standard DMARC validation and Microsoft-integrated defensive protocols.", "By maintaining a hollowed root posture, the sample facilitates persistent, low-signal synchronization with external cloud infrastructure while bypassing traditional heuristic trust-chain verification.", "The domain prioritywirreles.com (registered via NAMECHEAP INC) shows a 4/93 detection ratio, confirming it is a live but \"low-noise\" C2 node used to avoid broad-spectrum blacklisting", "", "The environment leverages prioritywirreles.com as a high-fidelity DGA-derived C2 node, utilizing its historical resolution to Russian-hosted IP space (194.61.24.231) to maintain persistent Stealthworker botnet synchronization.", "By operating through WhoisGuard-protected infrastructure and exploiting XOR 0x20 obfuscation, the adversary effectively suppresses telemetry into skim space, successfully bypassing DMARC and Microsoft-integrated trust-chain validation.", "The pivot from cd398983... to this domain confirms a multi-year campaign (2019\u20132023) utilizing Namecheap-registered infrastructure to orchestrate wide-scale T1110.001 brute-force operations while bypassing standard PKI expiration checks.", "LBresearcher: msudosos notes: The campaign's use of T1110.001 (Password Guessing) is specifically tuned to exhaust credentials across SSH, MySQL, and CMS backends, effectively recruiting server infrastructure into a global \"zombie\" network.", "LBresearcher: msudosos notes: The threat actor maintains operational longevity by rotating through WhoisGuard-protected nodes like prioritywirreles.com, which historically resolved to Russian-hosted IP space (194.61.24.231) to obfuscate its origin.", "LBresearcher: msudosos notes: By exploiting Root Certificate Validation Failures, the StealthWorker (GoBrut) agent ensures that its 32-bit ELF binaries bypass the automated reputation checks enforced by major cloud providers.", "Monitor DGA Shifts: Track new domains registered through NAMECHEAP INC using the current WhoisGuard patterns to identify the next cluster before it goes active. Analyze Telfhash Clusters: Use the Telfhash (t1f303a0...) to pivot and find if the adversary has updated to 64-bit ELF or ARM architectures. Harden DMARC: Ensure your environment moves from \"p=none\" to \"p=reject\" to mitigate the internal spoofing loops exploited by this botnet's telemetry suppression.", "Persistent C2 Orchestration: This ELF:Agent-VW variant serves as a critical GoBrut node, utilizing XOR 0x20 obfuscation and ICMP/HTTP beaconing to maintain a persistent link across 1,834 domains and 797 unique IPs", "Researcher msudosos: This activity appears to facilitate a preliminary reconnaissance phase, possibly utilizing system commands to query /proc/cpuinfo and /proc/version for architectural profiling purposes.", "Researcher msudosos suggests the VirusTotal (Tencent HABO) behavior report may indicate a potential execution path from volatile storage at /tmp/EB93A6/996E.elf.", "Msudosos Regional Notes: While historical pivots show Russian-hosted nodes, the current dual-origin telemetry\u2014dominated by 181 United States-based endpoints\u2014strongly suggests a domestic-aligned adversary leveraging global 'grey space' to obfuscate its operational core. This massive US-centric footprint (exceeding all other regions combined) reinforces the theory of a false-flag orchestration designed to divert attribution toward foreign infrastructure while abusing legitimate Western-hosted trust chains.", "WHOIS data anchors administrative and technical operations for prioritywirreles.com in Los Angeles, CA (90064) via Namecheap infrastructure. Following its 2020 expiration, the domain has transitioned into redemptionPeriod/pendingDelete status, signaling the formal decommissioning of this C2 asset." ], "public": 1, "adversary": "StealthWorker/GoBrut (The adversary demonstrates advanced telemetry suppression within specialized s", "targeted_countries": [], "malware_families": [ { "id": "Malware Family: StealthWorker / GoBrut", "display_name": "Malware Family: StealthWorker / GoBrut", "target": "/malware/Malware Family: StealthWorker / GoBrut" }, { "id": "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "display_name": "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "target": null } ], "attack_ids": [ { "id": "T1001", "name": "Data Obfuscation", "display_name": "T1001 - Data Obfuscation" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 5, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 2166, "FileHash-SHA1": 2067, "FileHash-SHA256": 3371, "domain": 13295, "URL": 6860, "email": 272, "hostname": 4705, "SSLCertFingerprint": 268, "CVE": 108, "CIDR": 6 }, "indicator_count": 33118, "is_author": false, "is_subscribing": null, "subscriber_count": 82, "modified_text": "36 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "related_indicator_is_active": 1 } ], "references": [ "", "2015-03-31 - Volatile Cedar - Analysis of a Global Cyber Espionage Campaign.pdf", "2015-04-17 - Andromeda-Gamarue bot loves JSON too (new versions details).pdf", "2015-08 - Uncovering the Seven Pointed Dagger.pdf", "2015-08-05 - Threat Group 3390 Cyberespionage.pdf", "2015-08-24 - Sphinx- New Zeus Variant for Sale on the Black Market.pdf", "2015-10-06 - I am HDRoot! Part 1.pdf", "Apt 28 (2).pdf", "2015-04-15 - The Chronicles of the Hellsing APT_the Empire Strikes Back.pdf", "Duke cloud Linux (1).pdf", "2015-03-19 - Rocket Kitten Showing Its Claws- Operation Woolen-GoldFish and the GHOLE campaign.pdf", "2015-04-14 - Unit 42 Identifies New DragonOK Backdoor Malware Deployed Against Japanese Targets.pdf", "2015-05-04 - Threat Spotlight- Rombertik \u2013 Gazing Past the Smoke, Mirrors, and Trapdoors.pdf", "2015-04-15 - Knowledge Fragment- Bruteforcing Andromeda Configuration Buffers.pdf", "2015-09-28 - Gaza cybergang, where\u2019s your IR team-.pdf", "2015-03-04 - And you get a POS malware name...and you get a POS malware name....and you get a POS malware name.....pdf", "2015-07-07 - Dyre Banking Trojan Exploits CVE-2015-0057.pdf", "2015-12-04 - Sofacy APT hits high profile targets with updated toolset.pdf", "2015-07-08 - Wild Neutron \u2013 Economic espionage threat actor returns with new tricks.pdf", "2015-12-22 - BBSRAT Attacks Targeting Russian Organizations Linked to Roaming Tiger.pdf", "2015-02-17 - Angry Android hacker hides Xbot malware in popular application icons .pdf", "2015-02-19 - Arid Viper \u2013 Israel entities targeted by malware packaged with sex video.pdf", "2015-08-05 - Newly discovered Chinese hacking group hacked over 100 websites to use as \u201cwatering holes\u201d.pdf", "2015-04-09 - Beebone Botnet Takedown- Trend Micro Solutions.pdf", "2015-06-25 - Sundown EK Spreads LuminosityLink RAT- Light After Dark.pdf", "2015-08-20 - Retefe Banking Trojan Targets Sweden, Switzerland and Japan.pdf", "2015-09-01 - Attackers Target Organizations in Japan; Transform Local Sites into C&C Servers for EMDIVI Backdoor.pdf", "2015-06-15 - Catching Up on the OPM Breach.pdf", "2015-08-31 - Shifu- \u2018Masterful\u2019 New Banking Trojan Is Attacking 14 Japanese Banks.pdf", "2015-09-24 - Kovter malware learns from Poweliks with persistent fileless registry update.pdf", "2015-06-24 - Elusive HanJuan EK Drops New Tinba Version (updated).pdf", "Anthem hack all roads lead to China.pdf", "2015-04-13 - Analyzing Gootkit's persistence mechanism (new ASEP inside!).pdf", "2015-01-08 - Major malvertising campaign spreads Kovter Ad Fraud malware.pdf", "2015-09-17 - The Dukes- 7 Years Of Russian Cyber-Espionage.pdf", "2015-09-14 - The Shade Encryptor- a Double Threat.pdf", "Babar or Bunny.pdf", "2015-11-04 - DroidJack isn\u2019t the only spying software out there- Avast discovers OmniRat.pdf", "2015-10-07 - Hacker Group Creates Network of Fake LinkedIn Profiles.pdf", "2015-04-27 - Threat Spotlight- TeslaCrypt \u2013 Decrypt It Yourself.pdf", "ANALYSIS ON APT TO BE ATTACK THAT FOCUSING ON CHINAS GOVERNMENT AGENCY.pdf", "2015-09-29 - Andromeda Bot Analysis part 1.pdf", "Copy Kittens.pdf", "2015-11-06 - OmniRAT Takes Over Android Devices Through Social Engineering Tricks.pdf", "2015-12-17 - SlemBunk- An Evolving Android Trojan Family Targeting Users of Worldwide Banking Apps.pdf", "APT CVE-2015-5119.pdf", "Duqu 2.0 Yara rules.pdf", "2015-01-11 - The Mozart RAM Scraper.pdf", "2015-03-05 - Casper Malware- After Babar and Bunny, Another Espionage Cartoon.pdf", "2015-07-16 - Github Repo with source code of cd00r.c.pdf", "Indicators of Compormise Hellsing.pdf", "BBSRAT Roaming Tiger.pdf", "2015-05-18 - Cmstar Downloader- Lurid and Enfal\u2019s New Cousin.pdf", "2015-07-27 - UPS- Observations on CVE-2015-3113, Prior Zero-Days and the Pirpi Payload.pdf", "2015-04-09 - The Banking Trojan Emotet- Detailed Analysis.pdf", "2015-06-23 - Operation Clandestine Wolf \u2013 Adobe Flash Zero-Day in APT3 Phishing Campaign.pdf", "2015-04-15 - Betabot retrospective.pdf", "2015-09-24 - Meet GreenDispenser- A New Breed of ATM Malware.pdf", "2015-11-04 - A Technical Look At Dyreza.pdf", "2015-10-13 - New Adobe Flash Zero-Day Used in Pawn Storm Campaign Targeting Foreign Affairs Ministries.pdf", "Agent.BTZ to ComRAT.pdf", "2015-03-11 - Inside the EquationDrug Espionage Platform.pdf", "2015-12-18 - Attack on French Diplomat Linked to Operation Lotus Blossom.pdf", "2015-10-28 - Reversing the C2C HTTP Emmental communication.pdf", "2015-08-18 - Knowledge Fragment- Unwrapping Fobber.pdf", "2015-12-01 - China-based Cyber Threat Group Uses Dropbox for Malware Communications and Targets Hong Kong Media Outlets.pdf", "2015-12-26 - Backdoor- Win32-Hesetox.A- vSkimmer POS Malware Analysis _.pdf", "2015-12-16 - Nemucod malware spreads ransomware Teslacrypt around the world.pdf", "Demonstrating Hustle.pdf", "LBresearcher: msudosos notes: The campaign's use of T1110.001 (Password Guessing) is specifically tuned to exhaust credentials across SSH, MySQL, and CMS backends, effectively recruiting server infrastructure into a global \"zombie\" network.", "2015-11-11 - AbaddonPOS- A new point of sale threat linked to Vawtrak.pdf", "2015-10-08 - Dyre Malware Campaigners Innovate with Distribution Techniques.pdf", "Obfuscation: XOR-based String Encryption (0x20)", "2015-07-02 - Win32-Lethic Botnet Analysis.pdf", "2015-11-10 - Bookworm Trojan- A Model of Modular Architecture.pdf", "2015-09-01 - Fancy Bear.pdf", "Dino.pdf", "2015-09-28 - Two New PoS Malware Affecting US SMBs.pdf", "2015-03-30 - New reconnaissance threat Trojan.Laziok targets the energy sector.pdf", "2015-10-16 - Surveillance Malware Trends- Tracking Predator Pain and HawkEye.pdf", "2015-03-10 - The DGA of Pykspa.pdf", "2015-03-04 - Who\u2019s Really Spreading through the Bright Star-.pdf", "2015-04-01 - NewPosThings Has New PoS Things.pdf", "APT 28 (1).pdf", "2015-03-28 - UACME.pdf", "2015-06-18 - So Long, and Thanks for All the Domains.pdf", "2015-07-10 - Sednit APT Group Meets Hacking Team.pdf", "2015-03-03 - PwnPOS- Old Undetected PoS Malware Still Causing Havoc.pdf", "2015-10-15 - Archivist.pdf", "2015-10-26 - Duuzer back door Trojan targets South Korea to take over computers.pdf", "Wild Neutron.pdf", "2015-05-07 - Dissecting the \u201cKraken\u201d.pdf", "ANALYSIS ON APT-TO-BE ATTACK THAT FOCUSING ON CHINAS GOVERNMENT AGENCY.pdf", "2015-09-23 - Chinese Actors Use \u20183102\u2019 Malware in Attacks on US Government and EU Media.pdf", "2015-02-18 - Babar- Suspected Nation State Spyware In The Spotlight.pdf", "The pivot from cd398983... to this domain confirms a multi-year campaign (2019\u20132023) utilizing Namecheap-registered infrastructure to orchestrate wide-scale T1110.001 brute-force operations while bypassing standard PKI expiration checks.", "2015-02-17 - Ali Baba, the APT group from the Middle East.pdf", "2015-08-27 - London Calling- Two-Factor Authentication Phishing From Iran.pdf", "2015-01-14 - Catching the \u201cInception Framework\u201d Phishing Attack.pdf", "2015-02-04 - Pawn Storm Update- iOS Espionage App Found.pdf", "Blue termite (1).pdf", "Cmstar Downloader.pdf", "2015-05-22 - The DGA of Ranbyus.pdf", "The domain prioritywirreles.com (registered via NAMECHEAP INC) shows a 4/93 detection ratio, confirming it is a live but \"low-noise\" C2 node used to avoid broad-spectrum blacklisting", "2015-01-13 - New Carberp variant heads down under.pdf", "Researcher msudosos suggests the VirusTotal (Tencent HABO) behavior report may indicate a potential execution path from volatile storage at /tmp/EB93A6/996E.elf.", "2015-03-04 - New crypto ransomware in town - CryptoFortress.pdf", "2015-02-16 - How \u201comnipotent\u201d hackers tied to NSA hid for 14 years\u2014and were found at last.pdf", "2015-04-27 - Attacks against Israeli & Palestinian interests.pdf", "2015-12-08 - Packrat- Seven Years of a South American Threat Actor.pdf", "Rocket Kitten.pdf", "2015-02-16 - Equation- The Death Star of Malware Galaxy.pdf", "2015-03-19 - FindPOS- New POS Malware Family Discovered.pdf", "2015-08-05 - Who\u2019s Behind Your Proxy- Uncovering Bunitu\u2019s Secrets.pdf", "2015-03-19 - Analyzing a Backdoor-Bot forthe MIPS Platform.pdf", "2015-09-23 - Quaverse RAT- Remote-Access-as-a-Service.pdf", "2015-09-29 - Andromeda Bot Analysis part 2.pdf", "APT group ups targets us gov.pdf", "Black Energy.pdf", "2015-08-18 - ransomware open-sources.pdf", "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba5c9390e94bd4333b7fad186", "Researcher msudosos: This activity appears to facilitate a preliminary reconnaissance phase, possibly utilizing system commands to query /proc/cpuinfo and /proc/version for architectural profiling purposes.", "2015-11-11 - Operation Buhtrap malware distributed via ammyy.com.pdf", "2015-06-24 - Stealthy Cyberespionage Campaign Attacks With Social Engineering.pdf", "2015-01-22 - Scarab attackers took aim at select Russian targets since 2012.pdf", "2015-01-20 - Analysis of Project Cobra.pdf", "2015-07-19 - The Faulty Precursor of Pykspa's DGA.pdf", "Trojan Skelky.pdf", "2015-12-11 - LATENTBOT- Trace Me If You Can.pdf", "2015-02-05 - Anatomy of a Brute Force Campaign- The Story of Hee Thai Limited.pdf", "Duqu 2.0 Win32K Exploit.pdf", "2015-04-13 - Cyber Deterrence in Action- A story of one long HURRICANE PANDA campaign.pdf", "2015-11-16 - Introducing LogPOS.pdf", "2015-03-03 - C99Shell not dead.pdf", "2015-11-03 - Reversing the SMS C&C protocol of Emmental (1st part - understanding the code).pdf", "2015-02-23 - Cyber Kung-Fu- The Great Firewall Art of DNS Poisoning.pdf", "2015-11-05 - Sphinx Moth- Expanding our knowledge of the \u201cWild Neutron\u201d - \u201cMorpho\u201d APT.pdf", "2015-06-16 - Operation Lotus Blossom- A New Nation-State Cyberthreat-.pdf", "2015-11-02 - Shifu \u2013 the rise of a self-destructive banking trojan.pdf", "2015-07-13 - \u201cForkmeiamfamous\u201d- Seaduke, latest weapon in the Duke armory.pdf", "2015-02-12 - Mobile Malware Gang Steals Millions from South Korean Users.pdf", "2015-11-20 - A king's ransom- an analysis of the CTB-locker ransomware.pdf", "2015-12-07 - Iran-based attackers use back door threats to spy on Middle Eastern targets.pdf", "2015-10-09 - Beta Bot Analysis- Part 1.pdf", "2015-05-10 - Third-Party Software Was Entry Point for Background-Check System Hack.pdf", "2015-06-04 - KeyBase Keylogger Malware Family Exposed.pdf", "2015-12-22 - Kraken's two Domain Generation Algorithms.pdf", "2015-10-19 - Github Repository for AllaKore.pdf", "2015-02-17 - The Desert Falcons targeted attacks.pdf", "2015-03-20 - Threat Spotlight- PoSeidon, A Deep Dive Into Point of Sale Malware.pdf", "2015-05-18 - TT Malware Log.pdf", "2015-04-29 - Unboxing Linux-Mumblehard- Muttering spam from your servers.pdf", "WHOIS data anchors administrative and technical operations for prioritywirreles.com in Los Angeles, CA (90064) via Namecheap infrastructure. Following its 2020 expiration, the domain has transitioned into redemptionPeriod/pendingDelete status, signaling the formal decommissioning of this C2 asset.", "2015-04-18 - Operation RussianDoll- Adobe & Windows Zero-Day Exploits Likely Leveraged by Russia\u2019s APT28 in Highly-Targeted Attack.pdf", "2015-10-13 - Dridex (Bugat v5) Botnet Takeover Operation.pdf", "2015-09-25 - Notes on Linux-Xor.DDoS.pdf", "blog.pdf", "2015-07-14 - TeslaCrypt 2.0 disguised as CryptoWall.pdf", "By maintaining a hollowed root posture, the sample facilitates persistent, low-signal synchronization with external cloud infrastructure while bypassing traditional heuristic trust-chain verification.", "2015-01-15 - Weiterentwicklung anspruchsvoller Spyware- von Agent.BTZ zu ComRAT.pdf", "2015-08-19 - Antak WebShell.pdf", "2015-03-07 - Slave, Banatrix and ransomware.pdf", "APT 28.pdf", "2015-01-21 - The DGA of Symmi.pdf", "2015-10-12 - Keybase Logger-Clipboard-CredsStealer campaign.pdf", "2015-10-09 - Latest TeslaCrypt Ransomware Borrows Code From Carberp Trojan.pdf", "2015-07-31 - OTX Pulse on PlugX.pdf", "Researcher msudosos posits a strategic exploitation of Root Certificate Validation Failures, where the adversary leverages an expired trust chain to bypass heuristic security filters and establish persistence.", "2015-10-01 - Linux.Rekoobe.1.pdf", "T1110.001 (Brute Force: Password Guessing)", "2015-12-03 - Colombians major target of email campaigns delivering Xtreme RAT.pdf", "2015-10-17 - How to Write Simple but Sound Yara Rules \u2013 Part 2.pdf", "2015-06-24 - UnFIN4ished Business.pdf", "2015-05-20 - Bedep Ad-Fraud Botnet Analysis \u2013 Exposing the Mechanics Behind 153.6M Defrauded Ad Impressions A Day.pdf", "China Peace Palace.pdf", "2015-01-22 - Malvertising Leading To Flash Zero Day Via Angler Exploit Kit.pdf", "2015-07-23 - An Analysis of the Qadars Banking Trojan.pdf", "2015-01-08 - Getmypass Point of Sale Malware Update.pdf", "2015-02-18 - Meet Babar, a New Malware Almost Certainly Created by France.pdf", "2015-02-27 - ScanBox Framework.pdf", "LBresearcher: msudosos notes: By exploiting Root Certificate Validation Failures, the StealthWorker (GoBrut) agent ensures that its 32-bit ELF binaries bypass the automated reputation checks enforced by major cloud providers.", "2015-07-30 - Operation Potao Express- Analysis of a cyber?espionage toolkit.pdf", "2015-06-01 - Rhetoric Foreshadows Cyber Activity in the South China Sea.pdf", "2015-04-09 - Operation Buhtrap, the trap for Russian accountants.pdf", "Goldfish Phishing.pdf", "2015-02-09 - Anthem Breach May Have Started in April 2014.pdf", "2015-09-11 - SUCEFUL- Next Generation ATM Malware.pdf", "2015-02-27 - The Anthem Hack- All Roads Lead to China.pdf", "2015-04-15 - The Chronicles of the Hellsing APT- the Empire Strikes Back.pdf", "2015-05-15 - Carefirst Blue Cross Breach Hits 1.1M.pdf", "2015-10-06 - Targeted Attack Exposes OWA Weakness.pdf", "2015-02-25 - Pony Sourcecode.pdf", "2015-06-09 - New Data- Volatile Cedar Malware Campaign.pdf", "2015-06-03 - Thamar Reservoir \u2013 An Iranian cyber-attack campaign against targets in the Middle East.pdf", "2015-10-13 - I am HDRoot! Part 2.pdf", "Dukes.pdf", "Emdivi.pdf", "his technique allows the GoBrut/StealthWorker agent to circumvent automated revocation checks, enabling its decentralized C2 infrastructure to recruit Linux hosts via high-velocity credential exhaustion.", "2015-05-29 -The MsnMM Campaigns - The Earliest Naikon APT Campaigns.pdf", "Msudosos Regional Notes: While historical pivots show Russian-hosted nodes, the current dual-origin telemetry\u2014dominated by 181 United States-based endpoints\u2014strongly suggests a domestic-aligned adversary leveraging global 'grey space' to obfuscate its operational core. This massive US-centric footprint (exceeding all other regions combined) reinforces the theory of a false-flag orchestration designed to divert attribution toward foreign infrastructure while abusing legitimate Western-hosted trust chains.", "2015-07-08 - Butterfly- Profiting from high-level corporate attacks.pdf", "2015-08-26 - Sphinx, a new variant of Zeus available for sale in the underground.pdf", "2015-04-15 - Elite cyber crime group strikes back after attack by rival APT gang.pdf", "2015-11-02 - Troj-Cryakl-B.pdf", "2015-10-06 - MOKER- A NEW APT DISCOVERED WITHIN A SENSITIVE NETWORK.pdf", "2015-07-22 - Duke APT group's latest tools- cloud services and Linux support.pdf", "2015-02-15 - Carbanak.pdf", "2015-12-09 - Inside Chimera Ransomware - the first 'doxingware' in wild.pdf", "2015-08-12 - Islamic State Hacking Division.pdf", "Bookworm Trojan (1).pdf", "2015-05-28 - Unusual Exploit Kit Targets Chinese Users (Part 1).pdf", "2015-04-13 - sqlconnt1.exe.pdf", "2015-07-13 - Revisiting The Bunitu Trojan.pdf", "2015-09-18 - Operation Arid Viper Slithers Back into View.pdf", "2015-10-06 - Ticked Off- Upatre Malware\u2019s Simple Anti-analysis Trick to Defeat Sandboxes.pdf", "2015-11-17 - New Memory Scraping Technique in Cherry Picker PoS Malware.pdf", "LBresearcher: msudosos notes: The threat actor maintains operational longevity by rotating through WhoisGuard-protected nodes like prioritywirreles.com, which historically resolved to Russian-hosted IP space (194.61.24.231) to obfuscate its origin.", "2015-07-30 - Sakula Malware Family.pdf", "Monitor DGA Shifts: Track new domains registered through NAMECHEAP INC using the current WhoisGuard patterns to identify the next cluster before it goes active. Analyze Telfhash Clusters: Use the Telfhash (t1f303a0...) to pivot and find if the adversary has updated to 64-bit ELF or ARM architectures. Harden DMARC: Ensure your environment moves from \"p=none\" to \"p=reject\" to mitigate the internal spoofing loops exploited by this botnet's telemetry suppression.", "2015-05-17 - Newest addition to a happy family- KBOT.pdf", "2015-06-12 - Unusual Exploit Kit Targets Chinese Users (Part 2).pdf", "Afghan Government Compromise - Browser Beware.pdf", "2015-07-14 - BernhardPOS.pdf", "2015-12-31 - Overseas -Dark Inn- organization launched an APT attack on executives of domestic enterprises.pdf", "2015-02-18 - Babar- espionage software finally found and put under the microscope.pdf", "This ELF 32-bit LSB artifact is a sophisticated GoBrut/StealthWorker agent, compiled via Golang 1.10 and stripped to obfuscate its high-velocity service-bruting logic. VirusTotal confirms a critical threat profile with 44/65 security vendors flagging the file, which leverages a unique Go BuildID (nGYES3pajdOm...) and a Telfhash (t1f303a0...) for architectural fingerprinting. The binary orchestrates decentralized Command and Control (C2) through an expansive infrastructure of 797 unique IPs and 1,834 domains", "2015-08-05 - Newly discovered Chinese hacking group hacked 100+ websites to use as \u201cwatering holes\u201d.pdf", "2015-02-20 - The DGAs of Necurs.pdf", "2015-04-21 - Bedep\u2019s DGA- Trading Foreign Exchange for Malware Domains.pdf", "2015-06-01 - \u201cTroldesh\u201d \u2013 New Ransomware from Russia.pdf", "Persistent C2 Orchestration: This ELF:Agent-VW variant serves as a critical GoBrut node, utilizing XOR 0x20 obfuscation and ICMP/HTTP beaconing to maintain a persistent link across 1,834 domains and 797 unique IPs", "2015-09-12 - Stuxnet code.pdf", "Black Vine.pdf", "2015-06-10 - The Mystery of Duqu 2.0- a sophisticated cyberespionage actor returns.pdf", "2015-06-22 - Games are over- Winnti is now targeting pharmaceutical companies.pdf", "2015-12-08 - VT Report for SmartEyes.pdf", "Attacks against Israeli & Palestinian interests.pdf", "2015-09-11 - CSI MacMark- Janicab.pdf", "2015-03-09 - CryptoFortress mimics TorrentLocker but is a different ransomware.pdf", "2015-02-25 - KINS Banking Trojan Source Code.pdf", "2015-10-13 - Prolific Cybercrime Gang Favors Legit Login Credentials.pdf", "2015-07-31 - OTX- FBI Flash 68 (PlugX).pdf", "2015-08-10 - Darkhotel\u2019s attacks in 2015.pdf", "2015-09-24 - Credit Card-Scraping Kasidet Builder Leads to Spike in Detections.pdf", "2015-08-12 - Tinba Trojan Sets Its Sights on Romania.pdf", "The environment leverages prioritywirreles.com as a high-fidelity DGA-derived C2 node, utilizing its historical resolution to Russian-hosted IP space (194.61.24.231) to maintain persistent Stealthworker botnet synchronization.", "2015-01-06 - Linux DDoS Trojan hiding itself with an embedded rootkit.pdf", "2015-02-17 - BE2 extraordinary plugins, Siemens targeting, dev fails.pdf", "2015-06-19 - Digital Attack on German Parliament- Investigative Report on the Hack of the Left Party Infrastructure in Bundestag.pdf", "Duke cloud Linux.pdf", "2015-05-23 - NitlovePOS- Another New POS Malware.pdf", "Babar.pdf", "2015-11-02 - Modular trojan for hidden access to a computer.pdf", "2015-05-14 - The Naikon APT.pdf", "2015-09-08 - Carbanak gang is back and packing new guns.pdf", "2015-10-22 - Pawn Storm Targets MH17 Investigation Team.pdf", "Casper Malware.pdf", "By operating through WhoisGuard-protected infrastructure and exploiting XOR 0x20 obfuscation, the adversary effectively suppresses telemetry into skim space, successfully bypassing DMARC and Microsoft-integrated trust-chain validation.", "2015-11-30 - Inside Braviax-FakeRean- An analysis and history of a FakeAV family.pdf", "2015-03-06 - Animals in the APT Farm.pdf", "2015-09-16 - Operation Iron Tiger- Attackers Shift from East Asia to the United States.pdf", "2015-08-27 - New Spear Phishing Campaign Pretends to be EFF.pdf", "2015-11-04 - \u201cOffline\u201d Ransomware Encrypts Your Data without C&C Communication.pdf", "2015-05-26 - Moose \u2013 the router worm with an appetite for social networks.pdf", "Behind the syria conflict.pdf", "2015-03-11 - Malvertising Targeting European Transit Users.pdf", "2015-01-22 - New RATs Emerge from Leaked Njw0rm Source Code.pdf", "2015-07-20 - Watering Hole Attack on Aerospace Firm Exploits CVE-2015-5122 to Install IsSpace Backdoor.pdf", "2015-04-12 - SIMDA- A Botnet Takedown.pdf", "2015-12-01 - Operation Black Atlas Endangers In-Store Card Payments and SMBs Worldwide; Switches between BlackPOS and Other Tools.pdf", "2015-11-16 - Shining the Spotlight on Cherry Picker PoS Malware.pdf", "2015-09-28 - Hammertoss- What, Me Worry-.pdf", "Attacks on France TV5 Monde.pdf", "2015-02-18 - Sexually Explicit Material Used as Lures in Recent Cyber Attacks.pdf", "2015-07-05 - Spy Tech Company 'Hacking Team' Gets Hacked.pdf", "2015-01-09 - Chanitor Downloader Actively Installing Vawtrak.pdf", "2015-09-09 - Pony Stealer Malware.pdf", "2015-09-03 - Three Variants of Murofet's DGA.pdf", "2015-04-15 - New POS Malware Emerges - Punkey.pdf", "2015-11-25 - Detecting GlassRAT using Security Analytics and ECAT.pdf", "2015-09-23 - Ranbyus's DGA, Revisited.pdf", "2015-08-19 - Inside Neutrino botnet builder.pdf", "2015-09-09 - Satellite Turla- APT Command and Control in the Sky.pdf", "2015-06-17 - The Spring Dragon APT.pdf", "The local environment exhibits advanced telemetry suppression within specialized skim memory regions, effectively neutralizing standard DMARC validation and Microsoft-integrated defensive protocols.", "Pivot-Ready Indicators (IOCs) Go BuildID: nGYES3pajdOmKy1i6Ghh/KO9ydOtZpXtoKtB0KHE-/iisNoniHgTbj_cV6M-uk/XmMYzkBiZs8NXMRZYTiT Telfhash: t1f303a0b3055d54e8b7f08907c7af7624cef6e0f726d078f169e278d09a72c826626874 Imphash: 9698f46495ce9401c8bcaf9a2afe1598 Vhash: 1e53f1a1b59ecb93f821c74b25d81e9f", "2015-03-31 - Sinkholing Volatile Cedar DGA Infrastructure.pdf", "2015-02-27 - VB2014 paper- The pluginer - Caphaw.pdf", "2015-07-08 - Animal Farm APT and the Shadow of French Intelligence.pdf", "2015-03-30 - Fake Judicial Spam Leads to Backdoor with Fake Certificate Authority.pdf", "Animals in the APT Farm.pdf", "2015-01-26 - Storm Chasing- Hunting Hurricane Panda.pdf", "2015-06-15 - Stegoloader- A Stealthy Information Stealer.pdf" ], "related": { "alienvault": { "adversary": [], "malware_families": [], "industries": [] }, "other": { "adversary": [ "StealthWorker/GoBrut (The adversary demonstrates advanced telemetry suppression within specialized s" ], "malware_families": [ "Malware family: stealthworker / gobrut", "Md5 hash: f8add7e7161460ea2b1970cf4ca535bf" ], "industries": [] } } }, "false_positive": [] }, "geo": {}, "geo_ipapicom": {}, "pulse_count": 2, "pulses": [ { "id": "69f4dfa6405cf7858f1b732a", "name": "2015: Malware Analysis Report", "description": "", "modified": "2026-05-01T17:15:18.968000", "created": "2026-05-01T17:15:18.968000", "tags": [], "references": [ "2015-01-08 - Getmypass Point of Sale Malware Update.pdf", "2015-01-13 - New Carberp variant heads down under.pdf", "2015-01-11 - The Mozart RAM Scraper.pdf", "2015-01-06 - Linux DDoS Trojan hiding itself with an embedded rootkit.pdf", "2015-01-09 - Chanitor Downloader Actively Installing Vawtrak.pdf", "2015-01-08 - Major malvertising campaign spreads Kovter Ad Fraud malware.pdf", "2015-01-15 - Weiterentwicklung anspruchsvoller Spyware- von Agent.BTZ zu ComRAT.pdf", "2015-01-20 - Analysis of Project Cobra.pdf", "2015-01-14 - Catching the \u201cInception Framework\u201d Phishing Attack.pdf", "2015-01-22 - New RATs Emerge from Leaked Njw0rm Source Code.pdf", "2015-01-26 - Storm Chasing- Hunting Hurricane Panda.pdf", "2015-01-21 - The DGA of Symmi.pdf", "2015-01-22 - Malvertising Leading To Flash Zero Day Via Angler Exploit Kit.pdf", "2015-02-04 - Pawn Storm Update- iOS Espionage App Found.pdf", "2015-01-22 - Scarab attackers took aim at select Russian targets since 2012.pdf", "2015-02-09 - Anthem Breach May Have Started in April 2014.pdf", "2015-02-15 - Carbanak.pdf", "2015-02-16 - Equation- The Death Star of Malware Galaxy.pdf", "2015-02-16 - How \u201comnipotent\u201d hackers tied to NSA hid for 14 years\u2014and were found at last.pdf", "2015-02-12 - Mobile Malware Gang Steals Millions from South Korean Users.pdf", "2015-02-17 - Ali Baba, the APT group from the Middle East.pdf", "2015-02-17 - Angry Android hacker hides Xbot malware in popular application icons .pdf", "2015-02-17 - BE2 extraordinary plugins, Siemens targeting, dev fails.pdf", "2015-02-18 - Babar- espionage software finally found and put under the microscope.pdf", "2015-02-18 - Babar- Suspected Nation State Spyware In The Spotlight.pdf", "2015-02-17 - The Desert Falcons targeted attacks.pdf", "2015-02-18 - Sexually Explicit Material Used as Lures in Recent Cyber Attacks.pdf", "2015-02-05 - Anatomy of a Brute Force Campaign- The Story of Hee Thai Limited.pdf", "2015-02-18 - Meet Babar, a New Malware Almost Certainly Created by France.pdf", "2015-02-25 - KINS Banking Trojan Source Code.pdf", "2015-02-19 - Arid Viper \u2013 Israel entities targeted by malware packaged with sex video.pdf", "2015-02-23 - Cyber Kung-Fu- The Great Firewall Art of DNS Poisoning.pdf", "2015-02-27 - ScanBox Framework.pdf", "2015-02-25 - Pony Sourcecode.pdf", "2015-02-20 - The DGAs of Necurs.pdf", "2015-03-03 - C99Shell not dead.pdf", "2015-03-03 - PwnPOS- Old Undetected PoS Malware Still Causing Havoc.pdf", "2015-03-04 - New crypto ransomware in town - CryptoFortress.pdf", "2015-03-04 - And you get a POS malware name...and you get a POS malware name....and you get a POS malware name.....pdf", "2015-03-06 - Animals in the APT Farm.pdf", "2015-03-07 - Slave, Banatrix and ransomware.pdf", "2015-02-27 - The Anthem Hack- All Roads Lead to China.pdf", "2015-03-05 - Casper Malware- After Babar and Bunny, Another Espionage Cartoon.pdf", "2015-03-09 - CryptoFortress mimics TorrentLocker but is a different ransomware.pdf", "2015-03-04 - Who\u2019s Really Spreading through the Bright Star-.pdf", "2015-03-10 - The DGA of Pykspa.pdf", "2015-03-11 - Malvertising Targeting European Transit Users.pdf", "2015-03-19 - Analyzing a Backdoor-Bot forthe MIPS Platform.pdf", "2015-03-11 - Inside the EquationDrug Espionage Platform.pdf", "2015-02-27 - VB2014 paper- The pluginer - Caphaw.pdf", "2015-03-19 - Rocket Kitten Showing Its Claws- Operation Woolen-GoldFish and the GHOLE campaign.pdf", "2015-03-30 - Fake Judicial Spam Leads to Backdoor with Fake Certificate Authority.pdf", "2015-03-19 - FindPOS- New POS Malware Family Discovered.pdf", "2015-03-31 - Volatile Cedar - Analysis of a Global Cyber Espionage Campaign.pdf", "2015-03-20 - Threat Spotlight- PoSeidon, A Deep Dive Into Point of Sale Malware.pdf", "2015-03-30 - New reconnaissance threat Trojan.Laziok targets the energy sector.pdf", "2015-03-31 - Sinkholing Volatile Cedar DGA Infrastructure.pdf", "2015-04-01 - NewPosThings Has New PoS Things.pdf", "2015-04-09 - Beebone Botnet Takedown- Trend Micro Solutions.pdf", "2015-03-28 - UACME.pdf", "2015-04-09 - Operation Buhtrap, the trap for Russian accountants.pdf", "2015-04-13 - Cyber Deterrence in Action- A story of one long HURRICANE PANDA campaign.pdf", "2015-04-15 - Elite cyber crime group strikes back after attack by rival APT gang.pdf", "2015-04-13 - Analyzing Gootkit's persistence mechanism (new ASEP inside!).pdf", "2015-04-14 - Unit 42 Identifies New DragonOK Backdoor Malware Deployed Against Japanese Targets.pdf", "2015-04-15 - Betabot retrospective.pdf", "2015-04-12 - SIMDA- A Botnet Takedown.pdf", "2015-04-15 - Knowledge Fragment- Bruteforcing Andromeda Configuration Buffers.pdf", "2015-04-13 - sqlconnt1.exe.pdf", "2015-04-18 - Operation RussianDoll- Adobe & Windows Zero-Day Exploits Likely Leveraged by Russia\u2019s APT28 in Highly-Targeted Attack.pdf", "2015-04-15 - New POS Malware Emerges - Punkey.pdf", "2015-04-15 - The Chronicles of the Hellsing APT- the Empire Strikes Back.pdf", "2015-04-21 - Bedep\u2019s DGA- Trading Foreign Exchange for Malware Domains.pdf", "2015-04-17 - Andromeda-Gamarue bot loves JSON too (new versions details).pdf", "2015-04-27 - Attacks against Israeli & Palestinian interests.pdf", "2015-05-04 - Threat Spotlight- Rombertik \u2013 Gazing Past the Smoke, Mirrors, and Trapdoors.pdf", "2015-04-15 - The Chronicles of the Hellsing APT_the Empire Strikes Back.pdf", "2015-05-10 - Third-Party Software Was Entry Point for Background-Check System Hack.pdf", "2015-04-29 - Unboxing Linux-Mumblehard- Muttering spam from your servers.pdf", "2015-05-15 - Carefirst Blue Cross Breach Hits 1.1M.pdf", "2015-05-14 - The Naikon APT.pdf", "2015-05-07 - Dissecting the \u201cKraken\u201d.pdf", "2015-05-18 - Cmstar Downloader- Lurid and Enfal\u2019s New Cousin.pdf", "2015-05-17 - Newest addition to a happy family- KBOT.pdf", "2015-05-22 - The DGA of Ranbyus.pdf", "2015-04-27 - Threat Spotlight- TeslaCrypt \u2013 Decrypt It Yourself.pdf", "2015-05-20 - Bedep Ad-Fraud Botnet Analysis \u2013 Exposing the Mechanics Behind 153.6M Defrauded Ad Impressions A Day.pdf", "2015-05-23 - NitlovePOS- Another New POS Malware.pdf", "2015-05-26 - Moose \u2013 the router worm with an appetite for social networks.pdf", "2015-05-18 - TT Malware Log.pdf", "2015-06-01 - Rhetoric Foreshadows Cyber Activity in the South China Sea.pdf", "2015-05-28 - Unusual Exploit Kit Targets Chinese Users (Part 1).pdf", "2015-06-03 - Thamar Reservoir \u2013 An Iranian cyber-attack campaign against targets in the Middle East.pdf", "2015-06-01 - \u201cTroldesh\u201d \u2013 New Ransomware from Russia.pdf", "2015-06-04 - KeyBase Keylogger Malware Family Exposed.pdf", "2015-06-12 - Unusual Exploit Kit Targets Chinese Users (Part 2).pdf", "2015-06-15 - Stegoloader- A Stealthy Information Stealer.pdf", "2015-06-15 - Catching Up on the OPM Breach.pdf", "2015-06-10 - The Mystery of Duqu 2.0- a sophisticated cyberespionage actor returns.pdf", "2015-06-16 - Operation Lotus Blossom- A New Nation-State Cyberthreat-.pdf", "2015-06-09 - New Data- Volatile Cedar Malware Campaign.pdf", "2015-05-29 -The MsnMM Campaigns - The Earliest Naikon APT Campaigns.pdf", "2015-06-22 - Games are over- Winnti is now targeting pharmaceutical companies.pdf", "2015-06-19 - Digital Attack on German Parliament- Investigative Report on the Hack of the Left Party Infrastructure in Bundestag.pdf", "2015-06-23 - Operation Clandestine Wolf \u2013 Adobe Flash Zero-Day in APT3 Phishing Campaign.pdf", "2015-06-18 - So Long, and Thanks for All the Domains.pdf", "2015-06-17 - The Spring Dragon APT.pdf", "2015-06-25 - Sundown EK Spreads LuminosityLink RAT- Light After Dark.pdf", "2015-06-24 - Stealthy Cyberespionage Campaign Attacks With Social Engineering.pdf", "2015-06-24 - UnFIN4ished Business.pdf", "2015-07-08 - Wild Neutron \u2013 Economic espionage threat actor returns with new tricks.pdf", "2015-07-02 - Win32-Lethic Botnet Analysis.pdf", "2015-07-10 - Sednit APT Group Meets Hacking Team.pdf", "2015-06-24 - Elusive HanJuan EK Drops New Tinba Version (updated).pdf", "2015-07-07 - Dyre Banking Trojan Exploits CVE-2015-0057.pdf", "2015-07-13 - Revisiting The Bunitu Trojan.pdf", "2015-07-14 - BernhardPOS.pdf", "2015-07-14 - TeslaCrypt 2.0 disguised as CryptoWall.pdf", "2015-07-08 - Butterfly- Profiting from high-level corporate attacks.pdf", "2015-07-05 - Spy Tech Company 'Hacking Team' Gets Hacked.pdf", "2015-07-08 - Animal Farm APT and the Shadow of French Intelligence.pdf", "2015-07-16 - Github Repo with source code of cd00r.c.pdf", "2015-07-19 - The Faulty Precursor of Pykspa's DGA.pdf", "2015-07-31 - OTX Pulse on PlugX.pdf", "2015-08 - Uncovering the Seven Pointed Dagger.pdf", "2015-07-27 - UPS- Observations on CVE-2015-3113, Prior Zero-Days and the Pirpi Payload.pdf", "2015-07-13 - \u201cForkmeiamfamous\u201d- Seaduke, latest weapon in the Duke armory.pdf", "2015-07-20 - Watering Hole Attack on Aerospace Firm Exploits CVE-2015-5122 to Install IsSpace Backdoor.pdf", "2015-07-22 - Duke APT group's latest tools- cloud services and Linux support.pdf", "2015-07-30 - Sakula Malware Family.pdf", "2015-08-10 - Darkhotel\u2019s attacks in 2015.pdf", "2015-08-05 - Newly discovered Chinese hacking group hacked 100+ websites to use as \u201cwatering holes\u201d.pdf", "2015-07-31 - OTX- FBI Flash 68 (PlugX).pdf", "2015-07-30 - Operation Potao Express- Analysis of a cyber?espionage toolkit.pdf", "2015-08-18 - Knowledge Fragment- Unwrapping Fobber.pdf", "2015-08-12 - Islamic State Hacking Division.pdf", "2015-08-19 - Antak WebShell.pdf", "2015-08-12 - Tinba Trojan Sets Its Sights on Romania.pdf", "2015-08-05 - Newly discovered Chinese hacking group hacked over 100 websites to use as \u201cwatering holes\u201d.pdf", "2015-08-18 - ransomware open-sources.pdf", "2015-08-26 - Sphinx, a new variant of Zeus available for sale in the underground.pdf", "2015-08-19 - Inside Neutrino botnet builder.pdf", "2015-08-05 - Threat Group 3390 Cyberespionage.pdf", "2015-08-24 - Sphinx- New Zeus Variant for Sale on the Black Market.pdf", "2015-08-05 - Who\u2019s Behind Your Proxy- Uncovering Bunitu\u2019s Secrets.pdf", "2015-08-20 - Retefe Banking Trojan Targets Sweden, Switzerland and Japan.pdf", "2015-09-09 - Pony Stealer Malware.pdf", "2015-09-16 - Operation Iron Tiger- Attackers Shift from East Asia to the United States.pdf", "2015-08-27 - London Calling- Two-Factor Authentication Phishing From Iran.pdf", "2015-09-11 - CSI MacMark- Janicab.pdf", "2015-09-12 - Stuxnet code.pdf", "2015-09-23 - Chinese Actors Use \u20183102\u2019 Malware in Attacks on US Government and EU Media.pdf", "2015-08-27 - New Spear Phishing Campaign Pretends to be EFF.pdf", "2015-09-08 - Carbanak gang is back and packing new guns.pdf", "2015-09-03 - Three Variants of Murofet's DGA.pdf", "2015-09-01 - Attackers Target Organizations in Japan; Transform Local Sites into C&C Servers for EMDIVI Backdoor.pdf", "2015-08-31 - Shifu- \u2018Masterful\u2019 New Banking Trojan Is Attacking 14 Japanese Banks.pdf", "2015-09-14 - The Shade Encryptor- a Double Threat.pdf", "2015-09-11 - SUCEFUL- Next Generation ATM Malware.pdf", "2015-09-09 - Satellite Turla- APT Command and Control in the Sky.pdf", "2015-09-17 - The Dukes- 7 Years Of Russian Cyber-Espionage.pdf", "2015-09-24 - Credit Card-Scraping Kasidet Builder Leads to Spike in Detections.pdf", "2015-09-24 - Kovter malware learns from Poweliks with persistent fileless registry update.pdf", "2015-09-18 - Operation Arid Viper Slithers Back into View.pdf", "2015-09-01 - Fancy Bear.pdf", "2015-09-25 - Notes on Linux-Xor.DDoS.pdf", "2015-09-23 - Ranbyus's DGA, Revisited.pdf", "2015-09-29 - Andromeda Bot Analysis part 1.pdf", "2015-10-06 - I am HDRoot! Part 1.pdf", "2015-10-06 - Ticked Off- Upatre Malware\u2019s Simple Anti-analysis Trick to Defeat Sandboxes.pdf", "2015-10-01 - Linux.Rekoobe.1.pdf", "2015-10-06 - MOKER- A NEW APT DISCOVERED WITHIN A SENSITIVE NETWORK.pdf", "2015-10-06 - Targeted Attack Exposes OWA Weakness.pdf", "2015-09-28 - Gaza cybergang, where\u2019s your IR team-.pdf", "2015-10-12 - Keybase Logger-Clipboard-CredsStealer campaign.pdf", "2015-10-07 - Hacker Group Creates Network of Fake LinkedIn Profiles.pdf", "2015-10-09 - Latest TeslaCrypt Ransomware Borrows Code From Carberp Trojan.pdf", "2015-10-09 - Beta Bot Analysis- Part 1.pdf", "2015-10-13 - I am HDRoot! Part 2.pdf", "2015-09-28 - Two New PoS Malware Affecting US SMBs.pdf", "2015-10-13 - Dridex (Bugat v5) Botnet Takeover Operation.pdf", "2015-10-19 - Github Repository for AllaKore.pdf", "2015-10-16 - Surveillance Malware Trends- Tracking Predator Pain and HawkEye.pdf", "2015-10-13 - New Adobe Flash Zero-Day Used in Pawn Storm Campaign Targeting Foreign Affairs Ministries.pdf", "2015-09-24 - Meet GreenDispenser- A New Breed of ATM Malware.pdf", "2015-10-17 - How to Write Simple but Sound Yara Rules \u2013 Part 2.pdf", "2015-10-13 - Prolific Cybercrime Gang Favors Legit Login Credentials.pdf", "2015-10-15 - Archivist.pdf", "2015-09-23 - Quaverse RAT- Remote-Access-as-a-Service.pdf", "2015-10-26 - Duuzer back door Trojan targets South Korea to take over computers.pdf", "2015-10-22 - Pawn Storm Targets MH17 Investigation Team.pdf", "2015-11-02 - Troj-Cryakl-B.pdf", "2015-09-29 - Andromeda Bot Analysis part 2.pdf", "2015-10-28 - Reversing the C2C HTTP Emmental communication.pdf", "2015-11-02 - Modular trojan for hidden access to a computer.pdf", "2015-11-03 - Reversing the SMS C&C protocol of Emmental (1st part - understanding the code).pdf", "2015-11-05 - Sphinx Moth- Expanding our knowledge of the \u201cWild Neutron\u201d - \u201cMorpho\u201d APT.pdf", "2015-09-28 - Hammertoss- What, Me Worry-.pdf", "2015-10-08 - Dyre Malware Campaigners Innovate with Distribution Techniques.pdf", "2015-11-04 - \u201cOffline\u201d Ransomware Encrypts Your Data without C&C Communication.pdf", "2015-11-10 - Bookworm Trojan- A Model of Modular Architecture.pdf", "2015-11-11 - Operation Buhtrap malware distributed via ammyy.com.pdf", "2015-11-02 - Shifu \u2013 the rise of a self-destructive banking trojan.pdf", "2015-11-04 - DroidJack isn\u2019t the only spying software out there- Avast discovers OmniRat.pdf", "2015-11-17 - New Memory Scraping Technique in Cherry Picker PoS Malware.pdf", "2015-11-11 - AbaddonPOS- A new point of sale threat linked to Vawtrak.pdf", "2015-12-01 - China-based Cyber Threat Group Uses Dropbox for Malware Communications and Targets Hong Kong Media Outlets.pdf", "2015-11-16 - Shining the Spotlight on Cherry Picker PoS Malware.pdf", "2015-12-03 - Colombians major target of email campaigns delivering Xtreme RAT.pdf", "2015-11-04 - A Technical Look At Dyreza.pdf", "2015-12-04 - Sofacy APT hits high profile targets with updated toolset.pdf", "2015-12-16 - Nemucod malware spreads ransomware Teslacrypt around the world.pdf", "2015-12-08 - VT Report for SmartEyes.pdf", "2015-12-09 - Inside Chimera Ransomware - the first 'doxingware' in wild.pdf", "2015-12-18 - Attack on French Diplomat Linked to Operation Lotus Blossom.pdf", "2015-12-17 - SlemBunk- An Evolving Android Trojan Family Targeting Users of Worldwide Banking Apps.pdf", "2015-12-26 - Backdoor- Win32-Hesetox.A- vSkimmer POS Malware Analysis _.pdf", "2015-11-20 - A king's ransom- an analysis of the CTB-locker ransomware.pdf", "2015-11-16 - Introducing LogPOS.pdf", "2015-12-22 - Kraken's two Domain Generation Algorithms.pdf", "2015-12-07 - Iran-based attackers use back door threats to spy on Middle Eastern targets.pdf", "2015-11-06 - OmniRAT Takes Over Android Devices Through Social Engineering Tricks.pdf", "2015-12-11 - LATENTBOT- Trace Me If You Can.pdf", "2015-11-30 - Inside Braviax-FakeRean- An analysis and history of a FakeAV family.pdf", "2015-12-01 - Operation Black Atlas Endangers In-Store Card Payments and SMBs Worldwide; Switches between BlackPOS and Other Tools.pdf", "2015-12-22 - BBSRAT Attacks Targeting Russian Organizations Linked to Roaming Tiger.pdf", "Agent.BTZ to ComRAT.pdf", "2015-11-25 - Detecting GlassRAT using Security Analytics and ECAT.pdf", "2015-12-08 - Packrat- Seven Years of a South American Threat Actor.pdf", "Afghan Government Compromise - Browser Beware.pdf", "Anthem hack all roads lead to China.pdf", "ANALYSIS ON APT TO BE ATTACK THAT FOCUSING ON CHINAS GOVERNMENT AGENCY.pdf", "Animals in the APT Farm.pdf", "APT CVE-2015-5119.pdf", "APT 28 (1).pdf", "Attacks against Israeli & Palestinian interests.pdf", "APT group ups targets us gov.pdf", "Black Energy.pdf", "blog.pdf", "APT 28.pdf", "Babar.pdf", "Black Vine.pdf", "Behind the syria conflict.pdf", "Attacks on France TV5 Monde.pdf", "Casper Malware.pdf", "2015-12-31 - Overseas -Dark Inn- organization launched an APT attack on executives of domestic enterprises.pdf", "Demonstrating Hustle.pdf", "Cmstar Downloader.pdf", "Apt 28 (2).pdf", "Bookworm Trojan (1).pdf", "ANALYSIS ON APT-TO-BE ATTACK THAT FOCUSING ON CHINAS GOVERNMENT AGENCY.pdf", "Duke cloud Linux.pdf", "Dukes.pdf", "Duqu 2.0 Yara rules.pdf", "Duqu 2.0 Win32K Exploit.pdf", "Dino.pdf", "Duke cloud Linux (1).pdf", "Goldfish Phishing.pdf", "Indicators of Compormise Hellsing.pdf", "Rocket Kitten.pdf", "Trojan Skelky.pdf", "Wild Neutron.pdf", "2015-04-09 - The Banking Trojan Emotet- Detailed Analysis.pdf", "2015-07-23 - An Analysis of the Qadars Banking Trojan.pdf", "Babar or Bunny.pdf", "BBSRAT Roaming Tiger.pdf", "Blue termite (1).pdf", "China Peace Palace.pdf", "Copy Kittens.pdf", "Emdivi.pdf" ], "public": 1, "adversary": "", "targeted_countries": [], "malware_families": [], "attack_ids": [], "industries": [], "TLP": "white", "cloned_from": null, "export_count": 2, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "kikinumpav", "id": "385742", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "domain": 1032, "FileHash-SHA1": 544, "IPv4": 487, "FileHash-MD5": 1665, "URL": 673, "hostname": 959, "CVE": 45, "FileHash-SHA256": 411, "email": 11, "CIDR": 4, "BitcoinAddress": 2, "YARA": 7 }, "indicator_count": 5840, "is_author": false, "is_subscribing": null, "subscriber_count": 13, "modified_text": "29 days ago ", "is_modified": false, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "related_indicator_is_active": 1 }, { "id": "6992bae83a5988dff8311490", "name": "Distributed Credential Exhaustion & C2 Orchestration via Golang-Based StealthWorker (ELF.Agent-VW)", "description": "Researcher credit: msudosos, level blue platform----\nThis artifact represents a high-integrity StealthWorker (GoBrut) botnet agent, architected as a statically linked, stripped 32-bit ELF binary to ensure cross-platform environmental independence. The sample utilizes XOR 0x20-encoded JavaScript payloads and String.fromCharCode obfuscation to mask its internal logic and bypass heuristic-based memory scanners. [User Notes] Its operational core is a multi-threaded service bruter targeting SSH, MySQL, and CMS backends, leveraging a massive infrastructure of 1,834 domains and 797 unique IPv4 endpoints for decentralized Command & Control (C2). Network telemetry confirms the use of ICMP and HTTP-based beaconing, indicating a sophisticated retry logic designed to maintain persistence across diverse network topologies. With a malicious file score of 10, this binary serves as a primary vector for large-scale credential harvesting and the subsequent integration of Linux infrastructure into global botnet clusters.", "modified": "2026-04-24T13:20:48.450000", "created": "2026-02-16T06:36:24.788000", "tags": [ "Obfuscation: XOR-based String Encryption (0x20)", "T1110.001 (Brute Force: Password Guessing)", "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba", "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "#PotentialUS-Origin_FalseFlag_Obfuscation" ], "references": [ "Primary Hash (SHA256): cd3989830da99a69380901769fd78902efb3cd8ba5c9390e94bd4333b7fad186", "Obfuscation: XOR-based String Encryption (0x20)", "T1110.001 (Brute Force: Password Guessing)", "This ELF 32-bit LSB artifact is a sophisticated GoBrut/StealthWorker agent, compiled via Golang 1.10 and stripped to obfuscate its high-velocity service-bruting logic. VirusTotal confirms a critical threat profile with 44/65 security vendors flagging the file, which leverages a unique Go BuildID (nGYES3pajdOm...) and a Telfhash (t1f303a0...) for architectural fingerprinting. The binary orchestrates decentralized Command and Control (C2) through an expansive infrastructure of 797 unique IPs and 1,834 domains", "Pivot-Ready Indicators (IOCs) Go BuildID: nGYES3pajdOmKy1i6Ghh/KO9ydOtZpXtoKtB0KHE-/iisNoniHgTbj_cV6M-uk/XmMYzkBiZs8NXMRZYTiT Telfhash: t1f303a0b3055d54e8b7f08907c7af7624cef6e0f726d078f169e278d09a72c826626874 Imphash: 9698f46495ce9401c8bcaf9a2afe1598 Vhash: 1e53f1a1b59ecb93f821c74b25d81e9f", "Researcher msudosos posits a strategic exploitation of Root Certificate Validation Failures, where the adversary leverages an expired trust chain to bypass heuristic security filters and establish persistence.", "his technique allows the GoBrut/StealthWorker agent to circumvent automated revocation checks, enabling its decentralized C2 infrastructure to recruit Linux hosts via high-velocity credential exhaustion.", "The local environment exhibits advanced telemetry suppression within specialized skim memory regions, effectively neutralizing standard DMARC validation and Microsoft-integrated defensive protocols.", "By maintaining a hollowed root posture, the sample facilitates persistent, low-signal synchronization with external cloud infrastructure while bypassing traditional heuristic trust-chain verification.", "The domain prioritywirreles.com (registered via NAMECHEAP INC) shows a 4/93 detection ratio, confirming it is a live but \"low-noise\" C2 node used to avoid broad-spectrum blacklisting", "", "The environment leverages prioritywirreles.com as a high-fidelity DGA-derived C2 node, utilizing its historical resolution to Russian-hosted IP space (194.61.24.231) to maintain persistent Stealthworker botnet synchronization.", "By operating through WhoisGuard-protected infrastructure and exploiting XOR 0x20 obfuscation, the adversary effectively suppresses telemetry into skim space, successfully bypassing DMARC and Microsoft-integrated trust-chain validation.", "The pivot from cd398983... to this domain confirms a multi-year campaign (2019\u20132023) utilizing Namecheap-registered infrastructure to orchestrate wide-scale T1110.001 brute-force operations while bypassing standard PKI expiration checks.", "LBresearcher: msudosos notes: The campaign's use of T1110.001 (Password Guessing) is specifically tuned to exhaust credentials across SSH, MySQL, and CMS backends, effectively recruiting server infrastructure into a global \"zombie\" network.", "LBresearcher: msudosos notes: The threat actor maintains operational longevity by rotating through WhoisGuard-protected nodes like prioritywirreles.com, which historically resolved to Russian-hosted IP space (194.61.24.231) to obfuscate its origin.", "LBresearcher: msudosos notes: By exploiting Root Certificate Validation Failures, the StealthWorker (GoBrut) agent ensures that its 32-bit ELF binaries bypass the automated reputation checks enforced by major cloud providers.", "Monitor DGA Shifts: Track new domains registered through NAMECHEAP INC using the current WhoisGuard patterns to identify the next cluster before it goes active. Analyze Telfhash Clusters: Use the Telfhash (t1f303a0...) to pivot and find if the adversary has updated to 64-bit ELF or ARM architectures. Harden DMARC: Ensure your environment moves from \"p=none\" to \"p=reject\" to mitigate the internal spoofing loops exploited by this botnet's telemetry suppression.", "Persistent C2 Orchestration: This ELF:Agent-VW variant serves as a critical GoBrut node, utilizing XOR 0x20 obfuscation and ICMP/HTTP beaconing to maintain a persistent link across 1,834 domains and 797 unique IPs", "Researcher msudosos: This activity appears to facilitate a preliminary reconnaissance phase, possibly utilizing system commands to query /proc/cpuinfo and /proc/version for architectural profiling purposes.", "Researcher msudosos suggests the VirusTotal (Tencent HABO) behavior report may indicate a potential execution path from volatile storage at /tmp/EB93A6/996E.elf.", "Msudosos Regional Notes: While historical pivots show Russian-hosted nodes, the current dual-origin telemetry\u2014dominated by 181 United States-based endpoints\u2014strongly suggests a domestic-aligned adversary leveraging global 'grey space' to obfuscate its operational core. This massive US-centric footprint (exceeding all other regions combined) reinforces the theory of a false-flag orchestration designed to divert attribution toward foreign infrastructure while abusing legitimate Western-hosted trust chains.", "WHOIS data anchors administrative and technical operations for prioritywirreles.com in Los Angeles, CA (90064) via Namecheap infrastructure. Following its 2020 expiration, the domain has transitioned into redemptionPeriod/pendingDelete status, signaling the formal decommissioning of this C2 asset." ], "public": 1, "adversary": "StealthWorker/GoBrut (The adversary demonstrates advanced telemetry suppression within specialized s", "targeted_countries": [], "malware_families": [ { "id": "Malware Family: StealthWorker / GoBrut", "display_name": "Malware Family: StealthWorker / GoBrut", "target": "/malware/Malware Family: StealthWorker / GoBrut" }, { "id": "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "display_name": "MD5 Hash: f8add7e7161460ea2b1970cf4ca535bf", "target": null } ], "attack_ids": [ { "id": "T1001", "name": "Data Obfuscation", "display_name": "T1001 - Data Obfuscation" } ], "industries": [], "TLP": "green", "cloned_from": null, "export_count": 5, "upvotes_count": 0, "downvotes_count": 0, "votes_count": 0, "locked": false, "pulse_source": "web", "validator_count": 0, "comment_count": 0, "follower_count": 0, "vote": 0, "author": { "username": "msudosos", "id": "381696", "avatar_url": "https://otx.alienvault.com/assets/images/default-avatar.png", "is_subscribed": false, "is_following": false }, "indicator_type_counts": { "FileHash-MD5": 2166, "FileHash-SHA1": 2067, "FileHash-SHA256": 3371, "domain": 13295, "URL": 6860, "email": 272, "hostname": 4705, "SSLCertFingerprint": 268, "CVE": 108, "CIDR": 6 }, "indicator_count": 33118, "is_author": false, "is_subscribing": null, "subscriber_count": 82, "modified_text": "36 days ago ", "is_modified": true, "groups": [], "in_group": false, "threat_hunter_scannable": true, "threat_hunter_has_agents": 1, "related_indicator_type": "domain", "related_indicator_is_active": 1 } ], "error": null, "vt": { "error": "VirusTotal rate limit reached. Try again shortly.", "indicator": "mgoogle.us", "type": "Domain" }, "abuseipdb": null, "urlhaus": { "indicator": "mgoogle.us", "found": false, "verdict": "clean", "urls": [], "error": null }, "from_cache": true, "_cached_at": 1780205706.3112323 }