Suspicious Cloud Security Agent Uninstallation via Shell (via process_creation)

PremiumReviewedSigma · Medium · v1
Product
linux
Category
process_creation
Author
HuntRule
Published
2026-07-07
Updated
2026-08-28

ATT&CK techniques

  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. C2

  13. Exfiltration

  14. Impact

What it detects

This rule detects command lines that stop or uninstall cloud provider security agents such as Alibaba Aegis, Tencent YunJing, or BCM monitoring, a defense evasion step in malicious Linux shell scripts. Disabling these agents blinds cloud workload protection before the attacker deploys further payloads.

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Suspicious Windows Defender Exclusion Enumeration via reg query (via process_creation)
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Malicious BYOVD EDR Kill via Renamed GMER Driver by Agonizing Serpens
Suspicious Cloud Security Agent Uninstallation via Shell (via process_creation)
Pivot detection · T1685 · 9 related

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