Versions (5)
Version DetailsCurrent
Rev: 6 • Aug 29, 2011, 12:00 PMET MALWARE DNS query for Morto RDP worm related domain qfsl.net
alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS query for Morto RDP worm related domain qfsl.net"; dns.query; content:"qfsl.net"; depth:8; fast_pattern; endswith; reference:url,www.f-secure.com/weblog/archives/00002227.html; classtype:bad-unknown; sid:2013480; rev:6; metadata:created_at 2011_08_29, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_08;)
Aug 29, 2011, 12:00 PM
May 8, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 6, 2025, 4:34 PM
rules/emerging-malware.rules