rules/windows/powershell/powershell_module/posh_pm_decompress_commands.yml

title: PowerShell Decompress Commands
id: 1ddc1472-8e52-4f7d-9f11-eab14fc171f5
related:
    - id: 81fbdce6-ee49-485a-908d-1a728c5dcb09
      type: derived
status: test
description: A General detection for specific decompress commands in PowerShell logs. This could be an adversary decompressing files.
references:
    - https://github.com/OTRF/detection-hackathon-apt29/issues/8
    - https://github.com/OTRF/ThreatHunter-Playbook/blob/2d4257f630f4c9770f78d0c1df059f891ffc3fec/docs/evals/apt29/detections/4.A.3_09F29912-8E93-461E-9E89-3F06F6763383.md
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2020/05/02
modified: 2022/12/25
tags:
    - attack.defense_evasion
    - attack.t1140
logsource:
    product: windows
    category: ps_module
    definition: 'Requirements: PowerShell Module Logging must be enabled'
detection:
    selection_4103:
        Payload|contains: 'Expand-Archive'
    condition: selection_4103
falsepositives:
    - Unknown
level: informational
16 rules from DH APT29 day 1 - contributing soon 2020-10-12 18:13:13 -04:00			`title: PowerShell Decompress Commands`
$frack113$ order powershell_module 2021-10-09 09:50:49 +02:00			`id: 1ddc1472-8e52-4f7d-9f11-eab14fc171f5`
			`related:`
			`- id: 81fbdce6-ee49-485a-908d-1a728c5dcb09`
			`type: derived`
$frack113$ Promotion rules (#3821 ) 2022-12-27 12:29:10 +01:00			`status: test`
$frack113$ Order yaml field 2022-10-26 09:43:39 +02:00			`description: A General detection for specific decompress commands in PowerShell logs. This could be an adversary decompressing files.`
			`references:`
			`- https://github.com/OTRF/detection-hackathon-apt29/issues/8`
fix: resolves #4015 2023-02-07 14:33:56 +01:00			`- https://github.com/OTRF/ThreatHunter-Playbook/blob/2d4257f630f4c9770f78d0c1df059f891ffc3fec/docs/evals/apt29/detections/4.A.3_09F29912-8E93-461E-9E89-3F06F6763383.md`
$frack113$ Order yaml field 2022-10-26 09:43:39 +02:00			`author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)`
16 rules from DH APT29 day 1 - contributing soon 2020-10-12 18:13:13 -04:00			`date: 2020/05/02`
$frack113$ Promotion rules (#3821 ) 2022-12-27 12:29:10 +01:00			`modified: 2022/12/25`
16 rules from DH APT29 day 1 - contributing soon 2020-10-12 18:13:13 -04:00			`tags:`
			`- attack.defense_evasion`
			`- attack.t1140`
			`logsource:`
			`product: windows`
$frack113$ Change to category: ps_module 2021-10-16 08:05:15 +02:00			`category: ps_module`
feat: updates and enhancements 2023-01-04 17:49:32 +01:00			`definition: 'Requirements: PowerShell Module Logging must be enabled'`
16 rules from DH APT29 day 1 - contributing soon 2020-10-12 18:13:13 -04:00			`detection:`
$frack113$ Cleanup selection name 2021-10-10 10:17:24 +02:00			`selection_4103:`
16 rules from DH APT29 day 1 - contributing soon 2020-10-12 18:13:13 -04:00			`Payload\|contains: 'Expand-Archive'`
$frack113$ Cleanup selection name 2021-10-10 10:17:24 +02:00			`condition: selection_4103`
16 rules from DH APT29 day 1 - contributing soon 2020-10-12 18:13:13 -04:00			`falsepositives:`
fix: unknown --> Unknown 2022-03-16 13:43:54 +01:00			`- Unknown`
$frack113$ Order yaml field 2022-10-26 09:43:39 +02:00			`level: informational`