Rule History

SID: 2049621 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Dec 7, 2023, 12:00 PM

Message:

ET EXPLOIT_KIT ZPHP Domain in TLS SNI (perfilcovid .com)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT ZPHP Domain in TLS SNI (perfilcovid .com)"; flow:established,to_server; tls.sni; bsize:15; content:"perfilcovid.com"; fast_pattern; reference:url,www.trellix.com/en-us/about/newsroom/stories/research/new-techniques-of-fake-browser-updates.html; reference:url,infosec.exchange/@monitorsg/111539778971560702; classtype:exploit-kit; sid:2049621; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2023_12_07, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_07, reviewed_at 2024_02_07;)

Created:

Dec 7, 2023, 12:00 PM

Updated:

Feb 7, 2024, 12:00 PM

DB Created:

Dec 7, 2023, 10:00 PM

DB Updated:

Aug 18, 2025, 8:35 PM

Filename:

rules/emerging-exploit_kit.rules