Php Inline Command Execution

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.

Sigma rule (View on GitHub)

 1title: Php Inline Command Execution
 2id: d81871ef-5738-47ab-9797-7a9c90cd4bfb
 3status: test
 4description: 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.
 5references:
 6    - https://www.php.net/manual/en/features.commandline.php
 7    - https://www.revshells.com/
 8    - https://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
 9author: Nasreddine Bencherchali (Nextron Systems)
10date: 2023-01-02
11tags:
12    - attack.execution
13    - attack.t1059
14logsource:
15    category: process_creation
16    product: windows
17detection:
18    selection_img:
19        - Image|endswith: '\php.exe'
20        - OriginalFileName: 'php.exe'
21    selection_cli:
22        CommandLine|contains: ' -r'
23    condition: all of selection_*
24falsepositives:
25    - Unknown
26level: medium

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