Detectionmediumtest
Certificate Private Key Acquired
Detects when an application acquires a certificate private key
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Log Source
Windowscapi2
ProductWindows← raw: windows
Servicecapi2← raw: capi2
Definition
Requirements: The CAPI2 Operational log needs to be enabled
Detection Logic
Detection Logic1 selector
detection:
selection:
EventID: 70 # Acquire Certificate Private Key
condition: selectionFalse Positives
Legitimate application requesting certificate exports will trigger this. Apply additional filters as needed
References
MITRE ATT&CK
Rule Metadata
Rule ID
e2b5163d-7deb-4566-9af3-40afea6858c3
Status
test
Level
medium
Type
Detection
Created
Sat May 13
Author
Path
rules/windows/builtin/capi2/win_capi2_acquire_certificate_private_key.yml
Raw Tags
attack.credential-accessattack.t1649