Rule History

SID: 2010646 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3 • Jul 30, 2010, 12:00 PM

Message:

ET MALWARE Lethic Spambot CnC Initial Connect

Rule:

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET MALWARE Lethic Spambot CnC Initial Connect"; flow:established,from_server; flowbits:isnotset,ET.lethic.init; flowbits:set,ET.lethic.init; flowbits:noalert; dsize:5; content:"|00 00 00 00 06|"; reference:url,www.m86security.com/trace/spambotitem.asp?article=1205; classtype:command-and-control; sid:2010646; rev:3; 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:

Jul 30, 2010, 12:00 PM

DB Updated:

Oct 17, 2025, 8:36 PM

Filename:

rules/emerging-malware.rules