alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING [eSentire] Docusign Phishing Landing 2018-04-09"; flow:established,to_client; file_data; content:"<title>"; nocase; content:"DocuSlgn"; nocase; within:10; fast_pattern; content:"method=|22|post|22|"; nocase; distance:0; classtype:social-engineering; sid:2025476; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_04_09, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, updated_at 2020_08_19;)