SigmaHQ/rules/windows/process_creation/win_encoded_iex.yml
2020-06-16 14:46:08 -06:00

29 lines
641 B
YAML

title: Encoded IEX
id: 88f680b8-070e-402c-ae11-d2914f2257f1
status: experimental
description: Detects a base64 encoded IEX command string in a process command line
author: Florian Roth
date: 2019/08/23
tags:
- attack.t1086
- attack.t1140
- attack.execution
- attack.t1059.003
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|base64offset|contains:
- 'IEX (['
- 'iex (['
- 'iex (New'
- 'IEX (New'
condition: selection
fields:
- CommandLine
- ParentCommandLine
falsepositives:
- unknown
level: critical