alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Successful Dropbox Phish 2015-12-10";
flow:to_server,established;
http.method;
content:"POST";
http.request_body;
content:"&checkedDomains="; nocase; fast_pattern;
content:"&checkConnection="; nocase; distance:0;
content:"&Email="; nocase; distance:0;
content:"&Passwd="; nocase; distance:0;
content:"Download+Document"; nocase; distance:0;
classtype:credential-theft;
sid:2031797; rev:4;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_12_10, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)