alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake Update/Installer ForceDL Template Nov 03 2017"; flow:established,from_server; file_data; content:"addDownloadHint"; nocase; pcre:"/^\s*\x28\s*[\x22\x27][^\x22\x27]*[\x22\x27]\s*,\s*[\x22\x27][^\x22\x27]+\.exe[\x22\x27]/Rsi"; content:"doDownload(force)"; nocase; content:"userConversion(true)"; nocase; distance:0; content:"trigger_dl"; nocase; pcre:"/^\s*\(\s*force\s*\?\s*true\s*\x3a\s*false\s*,\s*\d+\s*,\s*\d+\s*,\s*[\x22\x27][^\x22\x27]+\.exe[\x22\x27]/Ri"; classtype:social-engineering; sid:2024945; rev:1; metadata:created_at 2017_11_03, signature_severity Minor, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)