Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Observed OWA Phishing Landing Page 2021-08-20"; flow:established,to_client; file.data; content:"<title>Outlook Web App</title>"; fast_pattern; content:"<form action|3d 22|save.php|22|"; content:"method|3d 22|POST|22|"; distance:0; content:"name|3d 22|logonForm|22|"; distance:0; content:"id|3d 22|logonForm|22|"; distance:0; content:"enctype|3d 22|application/x-www-form-urlencoded|22|"; distance:0; content:"autocomplete|3d 22|off|22 3e|"; distance:0; reference:url,app.any.run/tasks/40a14763-96a6-4897-86c4-2b4693a0034b/; classtype:social-engineering; sid:2033748; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_08_20, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_18, reviewed_at 2024_03_11;)