Rule History

SID: 2001343 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 23 • Jul 30, 2010, 12:00 PM

Message:

ET WEB_SERVER IIS ASP.net Auth Bypass / Canonicalization % 5 C

Rule:

alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"ET WEB_SERVER IIS ASP.net Auth Bypass / Canonicalization % 5 C"; flow:to_server,established; content:".aspx"; http_uri; nocase; content:"GET"; nocase; depth:3; content:"%5C"; depth:200; nocase; content:"aspx"; within:100; classtype:web-application-attack; sid:2001343; rev:23; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_08_22;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Aug 22, 2019, 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