Rule History

SID: 2013211 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Jul 6, 2011, 12:00 PM

Message:

ET MALWARE Backdoor.Esion CnC Checkin

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Backdoor.Esion CnC Checkin"; flow:established,to_server; http.uri; content:"/bot/gate.php"; fast_pattern; reference:url,us.norton.com/security_response/writeup.jsp?docid=2011-052510-1535-99&tabid=2; classtype:command-and-control; sid:2013211; rev:4; metadata:created_at 2011_07_06, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17;)

Created:

Jul 6, 2011, 12:00 PM

Updated:

Sep 17, 2020, 12:00 PM

DB Created:

Jul 6, 2011, 12:00 PM

DB Updated:

Jan 8, 2026, 10:34 PM

Filename:

rules/emerging-malware.rules