Rule History

SID: 2020556 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Feb 24, 2015, 12:00 PM

Message:

ET WEB_SERVER ATTACKER WebShell - Weevely - POSTed

Rule:

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER ATTACKER WebShell - Weevely - POSTed"; flow:established,to_server; http.request_body; content:"<?php|0A|$"; content:"="; distance:4; within:2; content:" str_replace("; distance:0; classtype:trojan-activity; sid:2020556; rev:3; metadata:created_at 2015_02_24, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_15;)

Created:

Feb 24, 2015, 12:00 PM

Updated:

May 15, 2020, 12:00 PM

DB Created:

Feb 24, 2015, 12:00 PM

DB Updated:

Oct 21, 2025, 10:35 PM

Filename:

rules/emerging-web_server.rules