Powershell adding suspicious path to exclusion list

Powershell adding suspicious path to exclusion list

Sigma rule (View on GitHub)

 1title: Powershell adding suspicious path to exclusion list
 2status: experimental
 3description: Powershell adding suspicious path to exclusion list
 4author: Joe Security
 5date: 2020-10-23
 6id: 200089
 7threatname:
 8behaviorgroup: 5
 9classification: 8
10mitreattack:
11
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        CommandLine:
18            - '*powershell*add-mppreference -exclusionpath c:\programdata*'
19            - '*add-mppreference -exclusionpath*\appdata\roaming\microsoft\windows\start menu\programs\startup*'
20        
21    condition: selection
22level: critical
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