Rule History

SID: 2029887 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Apr 13, 2020, 12:00 PM

Message:

ET WEB_SERVER Anonymous Webshell Accessed on Internal Compromised Server

Rule:

alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER Anonymous Webshell Accessed on Internal Compromised Server"; flow:established,to_client; file.data; content:"<title>AnonyMous SHell</title>"; nocase; fast_pattern; content:"id=|22|pageheading|22|>AnonyMous SHell"; nocase; distance:0; classtype:web-application-attack; sid:2029887; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_04_13, deployment Perimeter, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_13;)

Created:

Apr 13, 2020, 12:00 PM

Updated:

Apr 13, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 19, 2025, 10:35 PM

Filename:

rules/emerging-web_server.rules