Detection rules › Sigma
Mustang Panda Dropper
Detects specific process parameters as used by Mustang Panda droppers
Known false positives
- Unlikely
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Resource Development |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: Mustang Panda Dropper
id: 2d87d610-d760-45ee-a7e6-7a6f2a65de00
status: test
description: Detects specific process parameters as used by Mustang Panda droppers
references:
- https://app.any.run/tasks/7ca5661d-a67b-43ec-98c1-dd7a8103c256/
- https://app.any.run/tasks/b12cccf3-1c22-4e28-9d3e-c7a6062f3914/
- https://www.anomali.com/blog/china-based-apt-mustang-panda-targets-minority-groups-public-and-private-sector-organizations
author: Florian Roth (Nextron Systems), oscd.community
date: 2019-10-30
modified: 2021-11-27
tags:
- attack.t1587.001
- attack.resource-development
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection_cli:
- CommandLine|contains:
- 'Temp\wtask.exe /create'
- '%windir:~-3,1%%PUBLIC:~-9,1%'
- '/tn "Security Script '
- '%windir:~-1,1%'
- CommandLine|contains|all:
- '/E:vbscript'
- 'C:\Users\'
- '.txt'
- '/F'
selection_img:
Image|endswith: 'Temp\winwsh.exe'
condition: 1 of selection_*
falsepositives:
- Unlikely
level: high
Stages and Predicates
Stage 0: condition
1 of selection_*Stage 1: selection_cli
selection_cli:
- CommandLine|contains:
- 'Temp\wtask.exe /create'
- '%windir:~-3,1%%PUBLIC:~-9,1%'
- '/tn "Security Script '
- '%windir:~-1,1%'
- CommandLine|contains|all:
- '/E:vbscript'
- 'C:\Users\'
- '.txt'
- '/F'
Stage 2: selection_img
selection_img:
Image|endswith: 'Temp\winwsh.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |
Image | ends_with |
| field:"Image" kind:ends_with value:"Temp\winwsh.exe" |