Rule History

SID: 2020323 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 5 • Jan 28, 2015, 12:00 PM

Message:

ET WEB_SERVER Heimdallbot Attack Tool Inbound

Rule:

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER Heimdallbot Attack Tool Inbound"; flow:established,to_server; http.header; content:"Heimdallbot"; nocase; fast_pattern; threshold:type limit, count 1, seconds 60, track by_src; classtype:web-application-attack; sid:2020323; rev:5; metadata:created_at 2015_01_28, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_11;)

Created:

Jan 28, 2015, 12:00 PM

Updated:

Mar 11, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 3, 2025, 10:34 PM

Filename:

rules/emerging-web_server.rules