Detection rules › Sigma
Suspicious Process Start Locations
Detects suspicious process run from unusual locations
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth | T1036 Masquerading |
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: 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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
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\'
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.