20 lines
584 B
YAML
20 lines
584 B
YAML
title: Certutil Decode in AppData
|
|
status: experimental
|
|
description: Detetcs a Microsoft certutil execution with the 'decode' sub command on files in the AppData folder, which is sometimes used to decode malicious code with the built-in certutil utility
|
|
author: Florian Roth
|
|
reference: https://twitter.com/JohnLaTwC/status/835149808817991680
|
|
logsource:
|
|
product: windows
|
|
service: sysmon
|
|
detection:
|
|
selection:
|
|
EventID: 1
|
|
Image: '*\certutil.exe'
|
|
CommandLine: '* -decode *\AppData\*'
|
|
condition: selection
|
|
falsepositives:
|
|
- unknown
|
|
level: high
|
|
|
|
|