alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Horde Webmail Phishing Landing 2015-08-21"; flow:established,to_client; file_data; content:"<title>Mail |3a 3a 20|Welcome to Admin Portal</title>"; content:"Kindly update your information"; fast_pattern; distance:0; content:"Email Address"; distance:0; content:"Confirm Password"; distance:0; classtype:social-engineering; sid:2031725; rev:4; metadata:created_at 2015_08_21, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_17;)