Rule History

SID: 2009129 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 5 • Jul 30, 2010, 12:00 PM

Message:

ET MALWARE Bifrose Response from Controller (PING PONG)

Rule:

alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET MALWARE Bifrose Response from Controller (PING PONG)"; flow:stateless; flowbits:isset,ET.bifrose1; dsize:9; content:"PONG |3a|i.|0d|"; classtype:trojan-activity; sid:2009129; 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:

Mar 10, 2026, 8:34 PM

Filename:

rules/emerging-malware.rules