Rule History

SID: 2003936 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Jul 30, 2010, 12:00 PM

Message:

ET MALWARE Bandok phoning home (xor by 0xe9 to decode)

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET MALWARE Bandok phoning home (xor by 0xe9 to decode)"; flow:established,to_server; content:"|CF 8F 80 9B 9A 9D CF 95|"; depth:8; dsize:<80; reference:url,www.dshield.org/diary.html?date=2007-03-28; reference:url,www.secureworks.com/research/threats/bbbphish/?threat=bbbphish; classtype:trojan-activity; sid:2003936; rev:4; metadata:created_at 2010_07_30, confidence Medium, 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 4, 2025, 10:34 PM

Filename:

rules/emerging-malware.rules