alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING LinkedIn Phishing Landing 2017-07-20"; flow:established,from_server; file_data; content:"class=|22|ie ie6 lte9 lte8 lte7 os-linux|22|>"; content:"<title>LinkedIn|26 23|58|3b 20|Log In or Sign Up</title>"; distance:0; fast_pattern; content:"action=|22|login.php|22|"; distance:0; classtype:social-engineering; sid:2025876; rev:1; metadata:attack_target Client_Endpoint, created_at 2018_07_20, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Minor, tag Phish, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)