mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
33 lines
882 B
YAML
Executable File
33 lines
882 B
YAML
Executable File
title: ZxShell Malware
|
|
id: f0b70adb-0075-43b0-9745-e82a1c608fcc
|
|
description: Detects a ZxShell start by the called and well-known function name
|
|
author: Florian Roth
|
|
date: 2017/07/20
|
|
modified: 2020/08/26
|
|
references:
|
|
- https://www.hybrid-analysis.com/sample/5d2a4cde9fa7c2fdbf39b2e2ffd23378d0c50701a3095d1e91e3cf922d7b0b16?environmentId=100
|
|
tags:
|
|
- attack.execution
|
|
- attack.t1059.003
|
|
- attack.t1059 # an old one
|
|
- attack.defense_evasion
|
|
- attack.t1218.011
|
|
- attack.t1085 # an old one
|
|
- attack.s0412
|
|
- attack.g0001
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection:
|
|
CommandLine|contains:
|
|
- 'rundll32.exe *,zxFunction*'
|
|
- 'rundll32.exe *,RemoteDiskXXXXX'
|
|
condition: selection
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
falsepositives:
|
|
- Unlikely
|
|
level: critical
|