Rule History

SID: 2038566 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Aug 18, 2022, 12:00 PM

Message:

ET PHISHING Successful OWA Phish 2022-08-17

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful OWA Phish 2022-08-17"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/lss/"; startswith; content:"microsoft.php?email="; distance:0; fast_pattern; content:"&password="; distance:0; content:"&logintype=outlook&submit_btn="; distance:0; reference:md5,12b1d94bbf7cdacf1293e9331cf265a2; classtype:credential-theft; sid:2038566; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_08_18, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_18;)

Created:

Aug 18, 2022, 12:00 PM

Updated:

Aug 18, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 1, 2025, 8:35 PM

Filename:

rules/emerging-phishing.rules