Suspicious Python Payload Execution from ProgramData via Pythonw (via process_creation)

ATT&CK techniques

Execution

Recon
Resource Dev
Initial Access
Execution
- T1059.006Python
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects pythonw.exe executing a .pyw script staged under ProgramData, the loader behavior of the malicious PyPI packages that drop server.pyw to C ProgramData after installation. Running a windowless Python payload from ProgramData indicates supply-chain malware execution.

Reporting behind it

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Suspicious Python Payload Execution from ProgramData via Pythonw (via process_creation)

Pivot detection · T1059.006 · 9 related

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

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