HackTool - WinPwn Execution - ScriptBlock — Sigma Rule

Rule metadata and linked tags

Author: Swachchhanda Shrawan Poudel. Source status: test; severity: high. Source dates: 2023-12-04 / not supplied.

{
  "category": "ps_script",
  "product": "windows",
  "definition": "Requirements: Script Block Logging must be enabled"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 03d44d784336023722696eb30cfff90fb7e642436b4725635c1039c0612cc55c

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: HackTool - WinPwn Execution - ScriptBlock
id: 851fd622-b675-4d26-b803-14bc7baa517a
related:
    - id: d557dc06-62e8-4468-a8e8-7984124908ce
      type: similar
status: test
description: |
    Detects scriptblock text keywords indicative of potential usge of the tool WinPwn. A tool for Windows and Active Directory reconnaissance and exploitation.
author: Swachchhanda Shrawan Poudel
date: 2023-12-04
references:
    - https://github.com/S3cur3Th1sSh1t/WinPwn
    - https://www.publicnow.com/view/EB87DB49C654D9B63995FAD4C9DE3D3CC4F6C3ED?1671634841
    - https://reconshell.com/winpwn-tool-for-internal-windows-pentesting-and-ad-security/
    - https://github.com/redcanaryco/atomic-red-team/blob/4d6c4e8e23d465af7a2388620cfe3f8c76e16cf0/atomics/T1082/T1082.md
    - https://grep.app/search?q=winpwn&filter[repo][0]=redcanaryco/atomic-red-team
tags:
    - attack.credential-access
    - attack.discovery
    - attack.execution
    - attack.privilege-escalation
    - attack.t1046
    - attack.t1082
    - attack.t1106
    - attack.t1518
    - attack.t1548.002
    - attack.t1552.001
    - attack.t1555
    - attack.t1555.003
logsource:
    category: ps_script
    product: windows
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains:
            - 'Offline_Winpwn'
            - 'WinPwn '
            - 'WinPwn.exe'
            - 'WinPwn.ps1'
    condition: selection
falsepositives:
    - As the script block is a blob of text. False positive may occur with scripts that contain the keyword as a reference or simply use it for detection.
level: high

Original YAML and metadata in JSON

False positives

• As the script block is a blob of text. False positive may occur with scripts that contain the keyword as a reference or simply use it for detection.

Source references

• https://github.com/S3cur3Th1sSh1t/WinPwn
• https://www.publicnow.com/view/EB87DB49C654D9B63995FAD4C9DE3D3CC4F6C3ED?1671634841
• https://reconshell.com/winpwn-tool-for-internal-windows-pentesting-and-ad-security/
• https://github.com/redcanaryco/atomic-red-team/blob/4d6c4e8e23d465af7a2388620cfe3f8c76e16cf0/atomics/T1082/T1082.md
• https://grep.app/search?q=winpwn&filter[repo][0]=redcanaryco/atomic-red-team