alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Generic Credential Phish 2022-03-02"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/index.aspx?code="; fast_pattern; pcre:"/[a-z0-9]{32}/Ri"; http.content_len; byte_test:0,>=,2000,0,string,dec; http.request_body; content:"__VIEWSTATE="; content:"&__VIEWSTATEGENERATOR="; distance:2000; reference:md5,121de0ed6f4ec91eb75bae5ef1d9765b; classtype:credential-theft; sid:2035377; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_02_28, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_02;)