Possible Xterm Reverse Shell (via process_creation)
This rule detects use of "xterm" as a potential reverse shell tunnel
SigmamediumLinuxv1
sigma
possible-xterm-reverse-shell-via-process-creation
title: Possible Xterm Reverse Shell (via process_creation)
id: c6b612fd-e9c1-58f8-b616-ca9cc1dcd893
status: stable
description: This rule detects use of "xterm" as a potential reverse shell tunnel
references:
- https://attack.mitre.org/techniques/T1059/
- https://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
- https://www.revshells.com/
author: 'Huntrule Team'
date: 2026-05-27
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: linux
detection:
selection:
Image|contains: 'xterm'
CommandLine|contains: '-display'
CommandLine|endswith: ':1'
condition: selection
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.