Rule History

SID: 2068769 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Apr 15, 2026, 12:00 PM

Message:

ET PHISHING Observed DNS Query to VENOM PhaaS Domain (api-tls365 .sbs)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET PHISHING Observed DNS Query to VENOM PhaaS Domain (api-tls365 .sbs)"; dns.query; dotprefix; content:".api-tls365.sbs"; nocase; endswith; reference:url,abnormal.ai/blog/venom-phishing-campaign-mfa-credential-theft; classtype:social-engineering; sid:2068769; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_04_15, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_15;)

Created:

Apr 15, 2026, 12:00 PM

Updated:

Apr 15, 2026, 12:00 PM

DB Created:

Apr 15, 2026, 9:34 PM

DB Updated:

Apr 16, 2026, 9:34 PM

Filename:

rules/emerging-phishing.rules