Suspicious Larva-24009 C2 Command and Exfiltration URI Patterns (via proxy)

PremiumReviewedSigma · High · v1
Category
proxy
Author
HuntRule
Published
2026-07-27
Updated
2026-08-28

ATT&CK techniques

C2
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. Exfiltration

  13. Impact

What it detects

This rule detects outbound HTTP requests to the Larva-24009 C2 endpoints used for command retrieval, persistence script delivery, and screenshot exfiltration. These specific PHP endpoint paths under a Res directory are unique to this campaign infrastructure.

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Pivot detection · T1071.001 · 9 related

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