Versions (3)
Version DetailsCurrent
Rev: 2 • Apr 18, 2022, 12:00 PMET MALWARE Blackguard_v3.5 Domain in DNS Lookup (ritmflow .online)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Blackguard_v3.5 Domain in DNS Lookup (ritmflow .online)"; dns.query; content:"ritmflow.online"; nocase; bsize:15; reference:md5,dce3c6ed046018eac08f82942401123d; reference:url,twitter.com/3xp0rtblog/status/1516092338065612804; classtype:trojan-activity; sid:2036248; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_04_18, deployment Perimeter, deprecation_reason Relevance, malware_family Blackguard_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_10;)
Apr 18, 2022, 12:00 PM
May 10, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules