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YAI is described as an indigenous Chinese remote access Trojan (RAT) that emerged in the early wave of domestically developed malware following Glacier, which is characterized in the source as China’s first domestically created RAT. The content places YAI alongside Graybird, Shady RAT, and Net Thief as part of a generation of Chinese-developed RATs that reflected the evolution of China’s early “red hacker” ecosystem from defacements and DDoS activity toward native malware development. The available content does not provide specific technical details on YAI’s capabilities, infection vector, persistence, command-and-control behavior, targeted sectors, or indicators of compromise. No specific threat actor attribution is given for YAI beyond its placement within the broader Chinese indigenous malware ecosystem.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
1 distinct technique documented for this family, organized by ATT&CK tactic.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.