Malicious TeamPCP antv kitty-monitor Backdoor and Persistence (via file_event)

PremiumReviewedSigma · High · v1
Category
file_event
Author
HuntRule
Published
2026-11-04
Updated
2026-11-04

ATT&CK techniques

Persistence → Priv Esc
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects the cat.py Python backdoor stored under a kitty share directory and the kitty-monitor LaunchAgent or systemd persistence dropped by the TeamPCP @antv wave. These fixed artifact names indicate the trojanized npm packages backdoor and persistence have been installed on macOS or Linux.

Related detections9 linkedT1543.001 — drag to rearrange
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macOS Persistence Attempt Using PlistBuddy to Modify LaunchAgents/LaunchDaemons
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Malicious CrossRAT Persistence via mediamgrs Artifacts (via file_event)
Malicious NimDoor Loader Persistence via Masqueraded Google Updater (via file_event)
Malicious TeamPCP antv kitty-monitor Backdoor and Persistence (via file_event)
Pivot detection · T1543.001 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.