Rule History

SID: 2022882 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1 • Jun 8, 2016, 12:00 PM

Message:

ET MALWARE Qarallax RAT Keepalive C2 (set)

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET 1714 (msg:"ET MALWARE Qarallax RAT Keepalive C2 (set)"; flow:to_server,established; content:"|00 00 09 00 00 00 00 00 00 00|"; depth:10; threshold:type both, track by_src, count 5, seconds 30; flowbits:set,ET.qarallax; flowbits:noalert; reference:md5,cf178c55c0572d8fea89137c62afdc98; reference:url,labsblog.f-secure.com/2016/06/07/qarallax-rat-spying-on-us-visa-applicants/; classtype:command-and-control; sid:2022882; rev:1; metadata:created_at 2016_06_08, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jun 8, 2016, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 6, 2025, 4:34 PM

Filename:

rules/emerging-malware.rules