Detection rules › Sigma

PAExec Service Installation

Status
test
Severity
medium
Log source
product windows, service system
Author
Nasreddine Bencherchali (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects PAExec service installation

MITRE ATT&CK coverage

Telemetry coverage

Rule body

title: PAExec Service Installation
id: de7ce410-b3fb-4e8a-b38c-3b999e2c3420
status: test
description: Detects PAExec service installation
references:
    - https://www.poweradmin.com/paexec/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-10-26
tags:
    - attack.execution
    - attack.t1569.002
logsource:
    product: windows
    service: system
detection:
    selection_eid:
        Provider_Name: 'Service Control Manager'
        EventID: 7045
    selection_image:
        - ServiceName|startswith: 'PAExec-'
        - ImagePath|startswith: 'C:\WINDOWS\PAExec-'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium

Stages and Predicates

Stage 0: condition

all of selection_*

Stage 1: selection_eid

selection_eid:
    Provider_Name: 'Service Control Manager'
    EventID: 7045

Stage 2: selection_image

selection_image:
    - ServiceName|startswith: 'PAExec-'
    - ImagePath|startswith: 'C:\WINDOWS\PAExec-'

Indicators

These rows show field, operator, and value matches.