alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PennyWise Stealer Data Exfil M4"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"PennyWise|20|v"; fast_pattern; content:"IP|3a 20|"; content:"Country|3a 20|"; content:"Username|3a 20|"; content:"PC|3a 20|"; content:"System|3a 20|"; content:"Language|3a 20|"; content:"Date|3a 20|"; reference:url,community.emergingthreats.net/t/pennywise-stealer-update-on-rules/812; reference:url,app.any.run/tasks/b208777e-455b-4267-ace7-91db58305f0c/; classtype:trojan-activity; sid:2046957; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_07_28, deployment Perimeter, malware_family PennyWise, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_28;)