Rule History

SID: 2021978 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 6 • Oct 20, 2015, 12:00 PM

Message:

ET MALWARE NetWire / Ozone / Darktrack Alien RAT - Client KeepAlive

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET !$HTTP_PORTS (msg:"ET MALWARE NetWire / Ozone / Darktrack Alien RAT - Client KeepAlive"; flow:established,to_server; flowbits:isset,ET.NetWire; content:"|01 00 00 00 00|"; depth:5; dsize:6; reference:url,researchcenter.paloaltonetworks.com/2014/08/new-release-decrypting-netwire-c2-traffic; reference:url,www.circl.lu/pub/tr-23; classtype:trojan-activity; sid:2021978; rev:6; metadata:created_at 2015_10_20, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Oct 20, 2015, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Oct 20, 2015, 12:00 PM

DB Updated:

Jan 2, 2026, 10:34 PM

Filename:

rules/emerging-malware.rules