Rule History

SID: 2007919 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Jul 30, 2010, 12:00 PM

Message:

ET MALWARE Dropper-497 Yumato Reply from server

Rule:

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET MALWARE Dropper-497 Yumato Reply from server"; flow:established,from_server; content:"YUMATO|0d 0a|1234"; depth:12; classtype:trojan-activity; sid:2007919; rev:2; 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:

Nov 3, 2025, 10:34 PM

Filename:

rules/emerging-malware.rules