Rule History

SID: 2008531 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 4 • Jul 30, 2010, 12:00 PM

Message:

ET MALWARE Infected System Looking up chr.santa-inbox.com CnC Server

Rule:

alert udp $HOME_NET any -> $DNS_SERVERS 53 (msg:"ET MALWARE Infected System Looking up chr.santa-inbox.com CnC Server"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|03|chr|0b|santa-inbox|03|com"; nocase; classtype:command-and-control; sid:2008531; rev:4; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 20, 2025, 3:34 PM

Filename:

rules/emerging-malware.rules