Suspicious Masquerading Python Interpreter csshost Executing Script

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-06
Updated
2026-09-06

ATT&CK techniques

Defense Evasion
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Cred Access

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects a renamed Python interpreter named csshost.exe executing a Python script, a masquerading technique used by PyLangGhost RAT to hide its stealer logic behind a system-looking process name. The legitimate Python binary is copied and renamed to blend in.

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Suspicious Masquerading Python Interpreter csshost Executing Script
Pivot detection · T1036.005 · 9 related

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