Rule History

SID: 2065996 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Dec 3, 2025, 12:00 PM

Message:

ET EXPLOIT_KIT LandUpdate808 Domain (dsourceva .com) in TLS SNI

Rule:

alert tls $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT LandUpdate808 Domain (dsourceva .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:13; content:"dsourceva.com"; fast_pattern; nocase; reference:url,malasada.tech/the-landupdate808-fake-update-variant/; reference:url,malasada.tech/the-landupdate808-fake-update-variant; classtype:exploit-kit; sid:2065996; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_12_03, deployment Perimeter, confidence High, signature_severity Minor, tag Exploit_Kit, tag LandUpdate808, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)

Created:

Dec 3, 2025, 12:00 PM

Updated:

Dec 3, 2025, 12:00 PM

DB Created:

Dec 3, 2025, 10:34 PM

DB Updated:

Dec 4, 2025, 10:34 PM

Filename:

rules/emerging-exploit_kit.rules