Suspicious Kimsuky Python Backdoor Staging in Winii Directory (via file_event)

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 the creation of the Python backdoor beauty.py or its norton.db scheduler definition inside the C winii directory as used by the Kimsuky LNK campaign. This hidden staging path and filename set are distinctive to the backdoor deployment.

Reporting behind it

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Suspicious Kimsuky Python Backdoor Staging in Winii Directory (via file_event)

Pivot detection · T1059.006 · 9 related

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