SigmaHQ/rules/windows/powershell/powershell_psattack.yml

title: PowerShell PSAttack
id: b7ec41a4-042c-4f31-a5db-d0fcde9fa5c5
status: experimental
description: Detects the use of PSAttack PowerShell hack tool
references:
    - https://adsecurity.org/?p=2921
tags:
    - attack.execution
    - attack.t1059.001
    - attack.t1086  #an old one
author: Sean Metcalf (source), Florian Roth (rule)
date: 2017/03/05
logsource:
    product: windows
    service: powershell
    definition: 'It is recommended to use the new "Script Block Logging" of PowerShell v5 https://adsecurity.org/?p=2277'
detection:
    selection:
        EventID: 4103
    keyword:
        - 'PS ATTACK!!!'
    condition: all of them
falsepositives:
    - Pentesters
level: high
Added UUIDs to rules 2019-11-12 22:12:27 +00:00			`title: PowerShell PSAttack`
			`id: b7ec41a4-042c-4f31-a5db-d0fcde9fa5c5`
First PowerShell Ruleset 2017-03-05 00:47:25 +00:00			`status: experimental`
			`description: Detects the use of PSAttack PowerShell hack tool`
Change All "str" references to be "list"to mach schema update 2018-01-27 23:24:16 +00:00			`references:`
			`- https://adsecurity.org/?p=2921`
Tagged windows powershell, other and malware rules. 2018-07-24 08:56:41 +00:00			`tags:`
			`- attack.execution`
Initial round of subtechnique updates 2020-06-16 20:46:08 +00:00			`- attack.t1059.001`
windows/powershell folder reviewed. Old ID’s marked with comment “an old one”. These ID’s have to be removed in future. 2020-08-24 00:01:50 +00:00			`- attack.t1086 #an old one`
First PowerShell Ruleset 2017-03-05 00:47:25 +00:00			`author: Sean Metcalf (source), Florian Roth (rule)`
fix: fixed missing date fields in remaining files 2020-01-30 15:07:37 +00:00			`date: 2017/03/05`
First PowerShell Ruleset 2017-03-05 00:47:25 +00:00			`logsource:`
Bugfix: PowerShell rules log source inconstency 2017-03-21 09:22:13 +00:00			`product: windows`
			`service: powershell`
fixed typos 2019-06-29 12:35:59 +00:00			`definition: 'It is recommended to use the new "Script Block Logging" of PowerShell v5 https://adsecurity.org/?p=2277'`
First PowerShell Ruleset 2017-03-05 00:47:25 +00:00			`detection:`
Fixed PSAttack rule 2017-10-18 19:49:38 +00:00			`selection:`
			`EventID: 4103`
fix: fixed missing date fields in remaining files 2020-01-30 15:07:37 +00:00			`keyword:`
Fixed the fixed PSAttack rule 2017-10-19 07:52:40 +00:00			`- 'PS ATTACK!!!'`
Simplified rule conditions with new condition constructs 2018-03-06 22:14:43 +00:00			`condition: all of them`
First PowerShell Ruleset 2017-03-05 00:47:25 +00:00			`falsepositives:`
			`- Pentesters`
			`level: high`