Curated Cyber Threat Intelligence & Malware Dossiers

Technical intelligence dossiers covering 25 landmark malware families, state-sponsored cyber espionage implants, Ransomware-as-a-Service (RaaS) operations, and high-velocity infostealers. Each dossier is cross-referenced with MITRE ATT&CK tradecraft, weaponized CVE zero-days, and verified IOCs.

Canonical Research Authority

This repository serves as the official high-availability GitLab Pages mirror for the SystemHelpDesk Malware Families Catalog. All indicators, YARA feeds, and telemetry data are maintained on the canonical source.

Access 2,982 Canonical Profiles ↗

Mercenary Spyware & Zero-Day State Espionage

Candiru (DevilsTongue)
Spyware 45 Samples CVE-2021-31979

Candiru (operating under corporate entities Saito Tech Ltd, Taveta Ltd, and Grindavik Solutions) is an Israeli commercial cyber-surveillance contractor specializing in advanced zer...

NSO Pegasus
Spyware 10 Samples CVE-2021-30860

Pegasus is the most invasive, sophisticated, and technologically formidable commercial mobile spyware platform in contemporary cybersecurity, developed and licensed exclusively to ...

Enterprise Ransomware-as-a-Service (RaaS) Syndicates

Conti
Ransomware 180 Samples CVE-2020-1472

Conti is arguably the most aggressive and professionally structured ransomware syndicate in cybersecurity history, operated by the Russian cybercrime group Wizard Spider from early...

LockBit 3.0 / Black
Ransomware 340 Samples CVE-2023-38831

LockBit (first identified in September 2019 as 'ABCD' ransomware) is the most prolific, industrialized Ransomware-as-a-Service (RaaS) operation in cybersecurity history, responsibl...

REvil (Sodinokibi)
Ransomware 160 Samples CVE-2019-19781

REvil (also universally known as Sodinokibi and Sodin) was one of the most prolific and technically sophisticated Ransomware-as-a-Service (RaaS) cartels in cybercrime history, oper...

DarkSide
Ransomware 75 Samples CVE-2021-34527

DarkSide is a notorious Ransomware-as-a-Service (RaaS) operation that surfaced in August 2020, achieving global infamy in May 2021 following its catastrophic cyberattack against Co...

Clop
Ransomware 140 Samples CVE-2023-34362

Clop (stylized as Cl0p) is a notorious Russian-speaking ransomware and extortion syndicate operated by threat group FIN11 (also tracked as TA505 and Lace Tempest) that fundamentall...

Ryuk Ransomware
Ransomware 210 Samples CVE-2020-1472

Ryuk is one of the most destructive and lucrative enterprise ransomware families in cybersecurity history, first identified in August 2018 and operated by the Russian cybercriminal...

High-Velocity Commodity Infostealers

RedLine Stealer
Infostealer 120 Samples CVE-2021-40444

RedLine Stealer (cataloged across threat research as RedLine, RedLineStealer, and Trojan:Win32/RedLine) is the most ubiquitous and commercially successful information stealer of th...

LummaC2 Stealer
Infostealer 85 Samples CVE-2024-21412

Lumma Stealer (also tracked in threat telemetry as LummaC2, LummaStealer, and Trojan:Win32/Lumma) is a premier C-language information stealer that emerged in late 2022 and rapidly ...

Stealc
Infostealer 45 Samples CVE-2023-38831

Stealc is a lightweight, fully featured information stealer written in C that emerged in January 2023 on Russian-language cybercrime forums, rapidly gaining adoption as an affordab...

Raccoon Stealer v2
Infostealer 110 Samples CVE-2023-38831

Raccoon Stealer (also tracked as RecordBreaker, Trojan:Win32/Raccoon, and Race Stealer) is a premier commercial information stealer written in C/C++ that emerged on Russian-languag...

Modular Access Loaders, Botnets & Post-Exploitation Frameworks

Bumblebee Loader
Loader 35 Samples CVE-2021-40444

Bumblebee is a sophisticated, enterprise-grade modular malware loader first discovered in March 2022 by Google Threat Analysis Group (TAG) and Proofpoint researchers. Authored in C...

BazarLoader
Loader 80 Samples CVE-2020-1472

BazarLoader (also known in threat intelligence telemetry as BazarBackdoor, BazaLoader, and Trojan.BazarLoader) is a high-stealth, enterprise-focused malware loader and backdoor fir...

Cobalt Strike Beacon
Hacktool 3,500 Samples CVE-2022-42948

Cobalt Strike (specifically its Beacon payload component) is the world's most ubiquitous commercial adversary simulation and post-exploitation framework. Originally authored by Rap...

AsyncRAT
Rat 95 Samples CVE-2017-11882

AsyncRAT is an open-source remote access trojan (RAT) developed in C# (.NET) that has emerged as one of the most widely deployed commodity backdoors by cybercriminals, initial-acce...

Quasar RAT
Rat 148 Samples CVE-2017-11882

Quasar (broadly tracked as Quasar RAT, QuasarRAT, Backdoor:MSIL/Quasar, and Trojan.MSIL.Quasar) is a high-performance open-source remote access trojan (RAT) developed in C# (.NET) ...

NjRAT (Bladabindi)
Rat 280 Samples CVE-2017-11882

njRAT (also tracked as Bladabindi, Njw0rm, and Backdoor:MSIL/Bladabindi) is a notorious, widely disseminated remote access trojan (RAT) developed in Microsoft Visual Basic .NET by ...

Bifrost (Bifrose) RAT
Rat 95 Samples CVE-2012-0158

Bifrost (also documented across threat research as Bifrose, Backdoor:Win32/Bifrose, and Trojan.Bifrose) is a resilient, long-standing remote access trojan (RAT) that first surfaced...

Historic Titans, Banking Progenitors & Self-Propagating Worms

Stuxnet
Advanced Threat 15 Samples CVE-2010-2568

Stuxnet is widely recognized in military and cybersecurity history as the world's first true cyber weapon, uncovered in June 2010 by VirusBlokAda and subsequently determined to be ...

Sasser Worm
Worm 25 Samples CVE-2004-0280

Sasser (classified across antivirus vendors as W32.Sasser, Worm.Win32.Sasser, and Win32/Sasser) is one of the most disruptive self-replicating computer worms in the history of the ...

Blaster (Lovsan) Worm
Worm 30 Samples CVE-2003-0352

Blaster (also widely cataloged as MSBlast, Lovsan, and Poosan) is one of the most famous and destructive self-propagating computer worms in internet history, first detected on Augu...

Allaple Polymorphic Worm
Worm 140 Samples CVE-2006-3439

Allaple (also cataloged in threat research as Rahack, Net-Worm.Win32.Allaple, and W32/Allaple) is an infamous, self-propagating polymorphic computer worm first detected in 2006. En...

Dridex (Bugat)
Banking Trojan 59 Samples CVE-2017-0199

Dridex (also known as Bugat v5, Cridex, and Dridex Banking Trojan) is an infamous, highly sophisticated banking trojan and modular malware framework first documented in 2014 by sec...

Zeus / Zbot Banking Trojan
Banking Trojan 24,075 Samples CVE-2010-0805

Zbot (universally known as Zeus, and documented under variants such as Zeus Panda, GameOver Zeus, and Wsnpoem) is arguably the most influential banking trojan and crimeware toolkit...