Versions (6)
Version DetailsCurrent
Rev: 2 • Jun 25, 2012, 12:00 PMET MALWARE Backdoor Win32/Hupigon.CK Client Checkin
alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Backdoor Win32/Hupigon.CK Client Checkin"; flow:to_server,established; content:"|00 00 00 18 01 00 00|"; offset:1; depth:7; fast_pattern; content:"|78 9c|"; distance:5; within:2; classtype:command-and-control; sid:2014955; rev:2; metadata:created_at 2012_06_25, malware_family Win32_Hupigon_CK, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Jun 25, 2012, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Dec 1, 2025, 11:34 PM
rules/emerging-malware.rules