Rule History

SID: 2016516 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Mar 4, 2013, 12:00 PM

Message:

ET WEB_SERVER WebShell - Generic - c99shell based POST structure

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SERVER WebShell - Generic - c99shell based POST structure"; flow:established,to_server; content:"|0d 0a 0d 0a|act="; fast_pattern; http.method; content:"POST"; http.request_body; content:"act="; depth:4; content:"&d="; within:20; classtype:attempted-user; sid:2016516; rev:3; metadata:created_at 2013_03_04, confidence Medium, signature_severity Major, updated_at 2020_04_23;)

Created:

Mar 4, 2013, 12:00 PM

Updated:

Apr 23, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-web_server.rules