SigmaHQ/rules/apt/apt_zxshell.yml

21 lines
588 B
YAML

title: ZxShell Malware
description: Detects a ZxShell start by the called and well-known function name
author: Florian Roth
references: https://www.hybrid-analysis.com/sample/5d2a4cde9fa7c2fdbf39b2e2ffd23378d0c50701a3095d1e91e3cf922d7b0b16?environmentId=100
logsource:
product: windows
service: sysmon
detection:
selection:
EventID: 1
Command:
- 'rundll32.exe *,zxFunction*'
- 'rundll32.exe *,RemoteDiskXXXXX'
condition: selection
fields:
- CommandLine
- ParentCommandLine
falsepositives:
- Unlikely
level: critical