alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected Bizarro Banker Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"Mozilla/4.0|20 28|compatible|3b|MSIE 6.0|3b 20|Windows|20|NT|20|5.0"; bsize:48; fast_pattern; reference:url,securelist.com/bizarro-banking-trojan-expands-its-attacks-to-europe/102258/; classtype:trojan-activity; sid:2032998; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_05_19, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_19;)