alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING L33bo Phishing Kit - Successful Credential Phish M3 2016-03-29"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/Checkcc.php?&sessionid="; depth:24; fast_pattern; content:"&securessl="; distance:0; http.header; content:"/Verify.php?sslchannel="; http.cookie; content:"PHPSESSID"; classtype:credential-theft; sid:2032282; rev:4; metadata:attack_target Client_Endpoint, created_at 2016_03_29, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)