Rule History

SID: 2037860 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jul 29, 2022, 12:00 PM

Message:

ET PHISHING [TW] EvilProxy AiTM Microsoft HTTP HOST M10

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING [TW] EvilProxy AiTM Microsoft HTTP HOST M10"; flow:established,to_server; http.host; content:"login-microsoft-"; startswith; fast_pattern; pcre:"/[a-f0-9]{8}./R"; threshold:type limit, count 1, seconds 30, track by_src; classtype:social-engineering; sid:2037860; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_04;)

Created:

Jul 29, 2022, 12:00 PM

Updated:

Apr 4, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 1, 2025, 8:35 PM

Filename:

rules/emerging-phishing.rules