Detection rules › Sigma
Taskmgr as LOCAL_SYSTEM
Detects the creation of taskmgr.exe process in context of LOCAL_SYSTEM
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth |
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: Taskmgr as LOCAL_SYSTEM
id: 9fff585c-c33e-4a86-b3cd-39312079a65f
status: test
description: Detects the creation of taskmgr.exe process in context of LOCAL_SYSTEM
references:
- Internal Research
author: Florian Roth (Nextron Systems)
date: 2018-03-18
modified: 2022-05-27
tags:
- attack.stealth
- attack.t1036
logsource:
category: process_creation
product: windows
detection:
selection:
User|contains: # covers many language settings
- 'AUTHORI'
- 'AUTORI'
Image|endswith: '\taskmgr.exe'
condition: selection
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
User|contains:
- 'AUTHORI'
- 'AUTORI'
Image|endswith: '\taskmgr.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with value:"\taskmgr.exe" |
User | match |
| field:"user" kind:match |