Rule History

SID: 2064795 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Sep 18, 2025, 12:00 PM

Message:

ET EXPLOIT_KIT LandUpdate808 Domain in DNS Lookup (porsasystem .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT LandUpdate808 Domain in DNS Lookup (porsasystem .com)"; dns.query; bsize:15; content:"porsasystem.com"; nocase; reference:url,malasada.tech/the-landupdate808-fake-update-variant/; classtype:exploit-kit; sid:2064795; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_09_18, 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 2025_09_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)

Created:

Sep 18, 2025, 12:00 PM

Updated:

Sep 18, 2025, 12:00 PM

DB Created:

Sep 18, 2025, 8:36 PM

DB Updated:

Sep 19, 2025, 10:35 PM

Filename:

rules/emerging-exploit_kit.rules