alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING IRS Credential Phish Credit Card Payment Data Exfil"; flow:established,to_client; http.stat_code; content:"200"; file.data; content:"Internal Revenue Service"; nocase; content:"form action=|22|c5.php|22|"; fast_pattern; distance:0; content:"name|3d 22|amount|22 20|value|3d 22 22|"; distance:0; content:"PROCEED"; distance:0; reference:md5,55d8e8f74231e50c479d11683c7ab889; classtype:credential-theft; sid:2034328; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_11_02, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_18;)