Detectionhightest
PowerShell Get-Process LSASS
Detects a "Get-Process" cmdlet and it's aliases on lsass process, which is in almost all cases a sign of malicious activity
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Launch
Florian Roth (Nextron Systems)Created Fri Apr 23Updated Thu Jan 05b2815d0d-7481-4bf0-9b6c-a4c48a94b349windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
CommandLine|contains:
# You can add more permutation as you see fit
- 'Get-Process lsas'
- 'ps lsas'
- 'gps lsas'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
b2815d0d-7481-4bf0-9b6c-a4c48a94b349
Status
test
Level
high
Type
Detection
Created
Fri Apr 23
Modified
Thu Jan 05
Path
rules/windows/process_creation/proc_creation_win_powershell_getprocess_lsass.yml
Raw Tags
attack.credential-accessattack.t1552.004