Suspicious Process Start Locations

Description

Detects suspicious process run from unusual locations

Query · sigma

selection:
- Image|contains:
  - :\RECYCLER\
  - :\SystemVolumeInformation\
- Image|startswith:
  - C:\Windows\Tasks\
  - C:\Windows\debug\
  - C:\Windows\fonts\
  - C:\Windows\help\
  - C:\Windows\drivers\
  - C:\Windows\addins\
  - C:\Windows\cursors\
  - C:\Windows\system32\tasks\
condition: selection

Known false positives

  • False positives depend on scripts and administrative tools used in the monitored environment
Raw source Suspicious Process Start Locations · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Suspicious Process Start Locations
id: 15b75071-74cc-47e0-b4c6-b43744a62a2b
status: test
description: Detects suspicious process run from unusual locations
references:
    - https://car.mitre.org/wiki/CAR-2013-05-002
author: juju4, Jonhnathan Ribeiro, oscd.community
date: 2019-01-16
modified: 2022-01-07
tags:
    - attack.stealth
    - attack.t1036
    - car.2013-05-002
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|contains:
              - ':\RECYCLER\'
              - ':\SystemVolumeInformation\'
        - Image|startswith:
              - 'C:\Windows\Tasks\'
              - 'C:\Windows\debug\'
              - 'C:\Windows\fonts\'
              - 'C:\Windows\help\'
              - 'C:\Windows\drivers\'
              - 'C:\Windows\addins\'
              - 'C:\Windows\cursors\'
              - 'C:\Windows\system32\tasks\'
    condition: selection
falsepositives:
    - False positives depend on scripts and administrative tools used in the monitored environment
level: medium

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