alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Unknown Loader Related Activity M2 (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/pepsi.php"; fast_pattern; nocase; endswith; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; nocase; content:!"|0d 0a|User-Agent|0d 0a|"; nocase; classtype:trojan-activity; sid:2052882; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_23, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_23;)