Detectionmediumtest
Computer Discovery And Export Via Get-ADComputer Cmdlet
Detects usage of the Get-ADComputer cmdlet to collect computer information and output it to a file
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Nasreddine Bencherchali (Nextron Systems)Created Thu Nov 10Updated Thu Nov 17435e10e4-992a-4281-96f3-38b11106addewindows
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 Logic2 selectors
detection:
selection_img:
- Image|endswith:
- '\powershell.exe'
- '\pwsh.exe'
- OriginalFileName:
- 'PowerShell.EXE'
- 'pwsh.dll'
selection_cli:
CommandLine|contains|all:
- 'Get-ADComputer '
- ' -Filter \*'
CommandLine|contains:
- ' > '
- ' | Select '
- 'Out-File'
- 'Set-Content'
- 'Add-Content'
condition: all of selection_*False Positives
Legitimate admin scripts may use the same technique, it's better to exclude specific computers or users who execute these commands or scripts often
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
435e10e4-992a-4281-96f3-38b11106adde
Status
test
Level
medium
Type
Detection
Created
Thu Nov 10
Modified
Thu Nov 17
Path
rules/windows/process_creation/proc_creation_win_powershell_computer_discovery_get_adcomputer.yml
Raw Tags
attack.discoveryattack.t1033