alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed StealC_V2 Payload Request (GET)"; flow:established,to_server; urilen:13; http.method; content:"GET"; http.uri; content:"/aaa/download"; fast_pattern; http.header_names; content:!"|0d 0a|referer|0d 0a|"; nocase; content:!"|0d 0a|accept|0d 0a|"; nocase; classtype:trojan-activity; sid:2066344; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_12_16, deployment Perimeter, deployment SSLDecrypt, malware_family Stealc, confidence High, signature_severity Major, updated_at 2025_12_16; target:src_ip;)