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29A was a virus-coding group active in the late 1990s and mid-2000s, known for publishing malware-development research and producing experimental Windows malware. Members included Roy G. Biv and GriYo. Roy G. Biv documented the Heaven’s Gate technique, which enables 32-bit processes running under WOW64 on 64-bit Windows to execute native 64-bit code and has subsequently been adopted by commodity malware for security-tool evasion. GriYo created the CTX Windows file-infector, associated with 29A’s Simbiosis Project, an effort to combine executable-file infection with mass-mailing-worm propagation. CTX used polymorphism and entry-point obfuscation to hinder detection. The group’s work is principally associated with technical virus-writing experimentation rather than a documented financially motivated, espionage, or extortion operation.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Attributed origin per open-source reporting.
8 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
2 malware families attributed to this actor across reporting.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A historical virus-coding group cited as the original publisher of the Heaven’s Gate technique, which later appeared in commodity malware.
A virus writers group associated with the Simbiosis Project, an effort to combine Windows file infectors with Windows mass-mailing worms. The content links 29A to the creation context of CTX/Cholera.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.