1200KM / sigma-rule
Touch Suspicious Service File — Sigma Rule
Sigma rule 31545105-3444-4584-bebf-c466353230d2. Touch Suspicious Service File — Sigma Rule. Detects usage of the "touch" process in service file.
Rule metadata and linked tags
Author: Joseliyo Sanchez, @Joseliyo_Jstnk. Source status: test; severity: medium. Source dates: 2023-01-11 / not supplied.
{
"product": "linux",
"category": "process_creation"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: 9441dee40004955a63a3268d8f9e7bec0a0420bae46e8b23f470169eea7a89f5
Detection logic
Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.
title: Touch Suspicious Service File
id: 31545105-3444-4584-bebf-c466353230d2
status: test
description: Detects usage of the "touch" process in service file.
references:
- https://blogs.blackberry.com/
- https://twitter.com/Joseliyo_Jstnk/status/1620131033474822144
author: Joseliyo Sanchez, @Joseliyo_Jstnk
date: 2023-01-11
tags:
- attack.stealth
- attack.t1070.006
logsource:
product: linux
category: process_creation
detection:
selection:
Image|endswith: '/touch'
CommandLine|contains: ' -t '
CommandLine|endswith: '.service'
condition: selection
falsepositives:
- Admin changing date of files.
level: medium
False positives
- Admin changing date of files.
Source references
Connected ecosystem references
Exact source-tagged techniques
Telemetry review
Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.
Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.