Rule History

SID: 2008675 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 5 • Jul 30, 2010, 12:00 PM

Message:

ET MALWARE Backdoor.Win32.Assasin.20.C Control Session Start

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET 91 (msg:"ET MALWARE Backdoor.Win32.Assasin.20.C Control Session Start"; flow:established,to_server; content:"11000"; depth:5; content:"^"; distance:4; within:5; flowbits:isnotset,ET.assassin.start; flowbits:set,ET.assassin.start; classtype:trojan-activity; sid:2008675; rev:5; metadata:created_at 2010_07_30, 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 9, 2025, 9:35 PM

Filename:

rules/emerging-malware.rules