mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 01:45:21 +00:00
27 lines
990 B
YAML
27 lines
990 B
YAML
title: PowerShell Decompress Commands
|
|
id: 81fbdce6-ee49-485a-908d-1a728c5dcb09
|
|
description: A General detection for specific decompress commands in PowerShell logs. This could be an adversary decompressing files.
|
|
status: experimental
|
|
date: 2020/05/02
|
|
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1140
|
|
references:
|
|
- https://github.com/OTRF/detection-hackathon-apt29/issues/8
|
|
- https://threathunterplaybook.com/evals/apt29/detections/4.A.3_09F29912-8E93-461E-9E89-3F06F6763383.html
|
|
logsource:
|
|
product: windows
|
|
service: powershell
|
|
definition: Script block logging must be enabled for 4104, Module Logging must be enabled for 4103
|
|
detection:
|
|
selection1:
|
|
EventID: 4104
|
|
ScriptBlockText|contains: 'Expand-Archive'
|
|
selection2:
|
|
EventID: 4103
|
|
Payload|contains: 'Expand-Archive'
|
|
condition: selection1 or selection2
|
|
falsepositives:
|
|
- unknown
|
|
level: informational |