mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
27 lines
896 B
YAML
27 lines
896 B
YAML
title: Suspicious PowerShell Invocations - Specific
|
|
id: fce5f582-cc00-41e1-941a-c6fabf0fdb8c
|
|
status: experimental
|
|
description: Detects suspicious PowerShell invocation command parameters
|
|
tags:
|
|
- attack.execution
|
|
- attack.t1086
|
|
- attack.t1059.001
|
|
author: Florian Roth (rule)
|
|
date: 2017/03/05
|
|
logsource:
|
|
product: windows
|
|
service: powershell
|
|
detection:
|
|
keywords:
|
|
Message:
|
|
- '* -nop -w hidden -c * [Convert]::FromBase64String*'
|
|
- '* -w hidden -noni -nop -c "iex(New-Object*'
|
|
- '* -w hidden -ep bypass -Enc*'
|
|
- '*powershell.exe reg add HKCU\software\microsoft\windows\currentversion\run*'
|
|
- '*bypass -noprofile -windowstyle hidden (new-object system.net.webclient).download*'
|
|
- '*iex(New-Object Net.WebClient).Download*'
|
|
condition: keywords
|
|
falsepositives:
|
|
- Penetration tests
|
|
level: high
|