alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Successful Onedrive Credential Phish 2022-06-22";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/invoicees/khan_anti.php"; bsize:24; fast_pattern;
http.request_body;
content:"__EVENTTARGET="; startswith;
content:"&__EVENTARGUMENT=";
content:"&SideBySideToken=";
content:"&__VIEWSTATE=";
content:"&__VIEWSTATEGENERATOR=";
content:"&__VIEWSTATEENCRYPTED=";
content:"&__EVENTVALIDATION=";
content:"&id=";
reference:md5,909ce947aa4e2fd71b9b06730505096e;
classtype:credential-theft;
sid:2037209; rev:1;
metadata:attack_target Client_Endpoint, created_at 2022_06_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_29, reviewed_at 2024_12_11;
)