Rule History

alert http any any -> $HOME_NET any (msg:"ET INFO PHP Xdebug Extension Query Parameter (XDEBUG_SESSION_START)"; flow:established,to_server; http.uri; content:"?XDEBUG_SESSION_START="; classtype:misc-activity; sid:2031499; rev:2; metadata:attack_target Web_Server, created_at 2021_01_08, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_01_20;)