1200KM / sigma-rule
Potential Xterm Reverse Shell — Sigma Rule
Sigma rule 4e25af4b-246d-44ea-8563-e42aacab006b. Potential Xterm Reverse Shell — Sigma Rule. Detects usage of "xterm" as a potential reverse shell tunnel
Rule metadata and linked tags
Author: @d4ns4n_. Source status: test; severity: medium. Source dates: 2023-04-24 / not supplied.
{
"category": "process_creation",
"product": "linux"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: 55ba59266fd999b66280c5b6848f0598280ac2cd5a39ae0229c762a898a7524e
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: Potential Xterm Reverse Shell
id: 4e25af4b-246d-44ea-8563-e42aacab006b
status: test
description: Detects usage of "xterm" as a potential reverse shell tunnel
references:
- https://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
- https://www.revshells.com/
author: '@d4ns4n_'
date: 2023-04-24
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
False positives
- Unknown
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.