Suspicious Execution of Php Inline Command (via process_creation)
This rule detects execution of php using the "-r" flag. This is could be used as a way to launch a reverse shell or execute live php code.
SigmamediumWindowsv1
sigma
suspicious-execution-of-php-inline-command-via-process-creation
title: Suspicious Execution of Php Inline Command (via process_creation)
id: 63cc0e65-0c64-5a10-9fb6-ba84dedce259
status: stable
description: This rule detects execution of php using the "-r" flag. This is could be used as a way to launch a reverse shell or execute live php code.
references:
- https://attack.mitre.org/techniques/T1059/
- https://www.php.net/manual/en/features.commandline.php
- https://www.revshells.com/
- https://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
author: Huntrule Team
date: 2026-03-28
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\php.exe'
- OriginalFileName: 'php.exe'
selection_cli:
CommandLine|contains: ' -r'
condition: all of 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.