Rule History

SID: 2012230 • Source: et/open

Versions (6)

Version DetailsCurrent

Rev: 7 • Jan 25, 2011, 12:00 PM

Message:

ET WEB_SERVER Likely Malicious Request for /proc/self/environ

Rule:

alert http $EXTERNAL_NET any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SERVER Likely Malicious Request for /proc/self/environ"; flow:established,to_server; http.uri; content:"/proc/self/environ"; nocase; classtype:web-application-attack; sid:2012230; rev:7; metadata:affected_product Linux, attack_target Web_Server, created_at 2011_01_25, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_01;)

Created:

Jan 25, 2011, 12:00 PM

Updated:

Dec 1, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 5, 2025, 10:34 PM

Filename:

rules/emerging-web_server.rules