Run PowerShell Script from ADS

 1title: Run PowerShell Script from ADS
 2id: 45a594aa-1fbd-4972-a809-ff5a99dd81b8
 3status: test
 4description: Detects PowerShell script execution from Alternate Data Stream (ADS)
 5references:
 6    - https://github.com/p0shkatz/Get-ADS/blob/1c3a3562e713c254edce1995a7d9879c687c7473/Get-ADS.ps1
 7author: Sergey Soldatov, Kaspersky Lab, oscd.community
 8date: 2019-10-30
 9modified: 2022-07-14
10tags:
11    - attack.defense-evasion
12    - attack.t1564.004
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection:
18        ParentImage|endswith:
19            - '\powershell.exe'
20            - '\pwsh.exe'
21        Image|endswith:
22            - '\powershell.exe'
23            - '\pwsh.exe'
24        CommandLine|contains|all:
25            - 'Get-Content'
26            - '-Stream'
27    condition: selection
28falsepositives:
29    - Unknown
30level: high