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MediumSplunk security contentNasreddine Bencherchali +1

Cisco Secure Firewall - PHP2Shell Serialized Payload Activity

This analytic detects suspicious PHP web application requests using Cisco Secure Firewall Threat Defense Intrusion Events. The matching network signature identifies a serialized input pattern associated with attempts…

Description

This analytic detects suspicious PHP web application requests using Cisco Secure Firewall Threat Defense Intrusion Events. The matching network signature identifies a serialized input pattern associated with attempts to exploit PHP request handling. Investigate the source, targeted application, and related web server activity to determine whether the request was part of PHP2Shell exploitation.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
cisco_secure_firewall_threat_defense_intrusion_event

Known benign triggers

  • Security testing or applications that legitimately submit serialized PHP data may trigger this signature. Review the request context and the targeted service.

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