Rule History

SID: 2012236 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Jan 27, 2011, 12:00 PM

Message:

ET MALWARE x0Proto Init

Rule:

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE x0Proto Init"; flow:established,from_server; dsize:2; content:"x0"; depth:2; flowbits:noalert; flowbits:set,et.x0proto; classtype:trojan-activity; sid:2012236; rev:2; metadata:created_at 2011_01_27, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jan 27, 2011, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Jan 27, 2011, 12:00 PM

DB Updated:

Nov 13, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules