PUA - AdFind.EXE Execution — Sigma Rule

Rule metadata and linked tags

Author: Swachchhanda Shrawan Poudel (Nextron Systems). Source status: experimental; severity: medium. Source dates: 2025-02-26 / not supplied.

{
  "product": "windows",
  "category": "process_creation"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 87c5e8f3bc55eb7c9faf01738e7225e58f0e6dc96ec8f84d434e522d223610d0

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: PUA - AdFind.EXE Execution
id: 514e7e3e-b3b4-4a67-af60-be20f139198b
related:
    - id: 455b9d50-15a1-4b99-853f-8d37655a4c1b
      type: similar
status: experimental
description: Detects execution of Adfind.exe utility, which can be used for reconnaissance in an Active Directory environment
references:
    - https://www.joeware.net/freetools/tools/adfind/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1087.002/T1087.002.md
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-02-26
tags:
    - attack.discovery
    - attack.t1087.002
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        - Image|endswith: '\AdFind.exe'
        - OriginalFileName: 'AdFind.exe'
        - Hashes|contains:
              - 'IMPHASH=d144de8117df2beceaba2201ad304764'
              - 'IMPHASH=12ce1c0f3f5837ecc18a3782408fa975'
              - 'IMPHASH=bca5675746d13a1f246e2da3c2217492'
              - 'IMPHASH=4fbf3f084fbbb2470b80b2013134df35'
              - 'IMPHASH=49b639b4acbecc49d72a01f357aa4930'
              - 'IMPHASH=53e117a96057eaf19c41380d0e87f1c2'
              - 'IMPHASH=680dad9e300346e05a85023965867201'
              - 'IMPHASH=21aa085d54992511b9f115355e468782'
    condition: selection
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_pua_adfind_execution/info.yml

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://www.joeware.net/freetools/tools/adfind/
• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1087.002/T1087.002.md