Rule History

alert dns $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT LandUpdate808 Domain in DNS Lookup (nitzschi .com)"; dns.query; bsize:12; content:"nitzschi.com"; nocase; reference:url,malasada.tech/the-landupdate808-fake-update-variant/; classtype:exploit-kit; sid:2068896; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2026_04_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag LandUpdate808, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_21, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)