Detection rules › Sigma
HackTool - RedMimicry Winnti Playbook Execution
Detects actions caused by the RedMimicry Winnti playbook a automated breach emulations utility
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | T1059.003 Command and Scripting Interpreter: Windows Command Shell, T1106 Native API |
| Stealth | T1218.011 System Binary Proxy Execution: Rundll32 |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: HackTool - RedMimicry Winnti Playbook Execution
id: 95022b85-ff2a-49fa-939a-d7b8f56eeb9b
status: test
description: Detects actions caused by the RedMimicry Winnti playbook a automated breach emulations utility
references:
- https://redmimicry.com/posts/redmimicry-winnti/
author: Alexander Rausch
date: 2020-06-24
modified: 2023-03-01
tags:
- attack.execution
- attack.stealth
- attack.t1106
- attack.t1059.003
- attack.t1218.011
logsource:
product: windows
category: process_creation
detection:
selection:
Image|endswith:
- '\rundll32.exe'
- '\cmd.exe'
CommandLine|contains:
- 'gthread-3.6.dll'
- '\Windows\Temp\tmp.bat'
- 'sigcmm-2.4.dll'
condition: selection
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith:
- '\rundll32.exe'
- '\cmd.exe'
CommandLine|contains:
- 'gthread-3.6.dll'
- '\Windows\Temp\tmp.bat'
- 'sigcmm-2.4.dll'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|