mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
42 lines
1.2 KiB
YAML
42 lines
1.2 KiB
YAML
title: Suspicious Encoded PowerShell Command Line
|
|
id: ca2092a1-c273-4878-9b4b-0d60115bf5ea
|
|
description: Detects suspicious powershell process starts with base64 encoded commands (e.g. Emotet)
|
|
status: experimental
|
|
references:
|
|
- https://app.any.run/tasks/6217d77d-3189-4db2-a957-8ab239f3e01e
|
|
author: Florian Roth, Markus Neis
|
|
date: 2018/09/03
|
|
modified: 2019/12/16
|
|
tags:
|
|
- attack.execution
|
|
- attack.t1086
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection:
|
|
CommandLine:
|
|
- '* -e JAB*'
|
|
- '* -e JAB*'
|
|
- '* -e JAB*'
|
|
- '* -e JAB*'
|
|
- '* -e JAB*'
|
|
- '* -e JAB*'
|
|
- '* -en JAB*'
|
|
- '* -enc JAB*'
|
|
- '* -enc* JAB*'
|
|
- '* -w hidden -e* JAB*'
|
|
- '* BA^J e-'
|
|
- '* -e SUVYI*'
|
|
- '* -e aWV4I*'
|
|
- '* -e SQBFAFgA*'
|
|
- '* -e aQBlAHgA*'
|
|
- '* -enc SUVYI*'
|
|
- '* -enc aWV4I*'
|
|
- '* -enc SQBFAFgA*'
|
|
- '* -enc aQBlAHgA*'
|
|
falsepositive1:
|
|
CommandLine: '* -ExecutionPolicy remotesigned *'
|
|
condition: selection and not falsepositive1
|
|
level: high
|