ET INFO PHP Xdebug Extension Query Parameter (XDEBUG_SESSION_START)
Sourceet/open
CreatedJanuary 8, 2021
UpdatedJanuary 20, 2026
Classificationmisc-activity
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;)
Metadata
attack targetWeb_Server
created at2021_01_08
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_01_20
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