Detection rules › Sigma
Invoke-Obfuscation RUNDLL LAUNCHER - System
Detects Obfuscated Powershell via RUNDLL LAUNCHER
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | |
| Stealth |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Service-Control-Manager | Event ID 7045: A service was installed in the system. |
Rule body
title: Invoke-Obfuscation RUNDLL LAUNCHER - System
id: 11b52f18-aaec-4d60-9143-5dd8cc4706b9
status: test
description: Detects Obfuscated Powershell via RUNDLL LAUNCHER
references:
- https://github.com/SigmaHQ/sigma/issues/1009 # (Task 23)
author: Timur Zinniatullin, oscd.community
date: 2020-10-18
modified: 2022-11-29
tags:
- attack.stealth
- attack.t1027
- attack.execution
- attack.t1059.001
logsource:
product: windows
service: system
detection:
selection:
Provider_Name: 'Service Control Manager'
EventID: 7045
ImagePath|contains|all:
- 'rundll32.exe'
- 'shell32.dll'
- 'shellexec_rundll'
- 'powershell'
condition: selection
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Provider_Name: 'Service Control Manager'
EventID: 7045
ImagePath|contains|all:
- 'rundll32.exe'
- 'shell32.dll'
- 'shellexec_rundll'
- 'powershell'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ImagePath | match |
| field:"ImagePath" kind:match |
Provider_Name | eq |
| field:"Provider_Name" kind:eq value:"Service Control Manager" |