Detectionmediumtest
Unsigned Image Loaded Into LSASS Process
Loading unsigned image (DLL, EXE) into LSASS process
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Teymur Kheirkhabarov, oscd.communityCreated Tue Oct 22Updated Sat Nov 27857c8db3-c89b-42fb-882b-f681c7cf4da2windows
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic1 selector
detection:
selection:
Image|endswith: '\lsass.exe'
Signed: 'false'
condition: selectionFalse Positives
Valid user connecting using RDP
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
857c8db3-c89b-42fb-882b-f681c7cf4da2
Status
test
Level
medium
Type
Detection
Created
Tue Oct 22
Modified
Sat Nov 27
Path
rules/windows/image_load/image_load_lsass_unsigned_image_load.yml
Raw Tags
attack.credential-accessattack.t1003.001