Potential PHP Reverse Shell

Detects usage of the PHP CLI with the "-r" flag which allows it to run inline PHP code. The rule looks for calls to the "fsockopen" function which allows the creation of sockets. Attackers often leverage this in…

Description

Detects usage of the PHP CLI with the "-r" flag which allows it to run inline PHP code. The rule looks for calls to the "fsockopen" function which allows the creation of sockets. Attackers often leverage this in combination with functions such as "exec" or "fopen" to initiate a reverse shell connection.

Detection logic

Detection requirements

Log source product: linux
Log source category: process_creation

Known benign triggers

Unknown

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet	Unclassified	10
www.revshells.com	Unclassified	12

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Detection rules

Potential PHP Reverse Shell

Description

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules