Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Common Stealer Behavior - Source IP Associated with Hosting Provider Check via ip.api .com"; flow:established,to_server; urilen:21; http.method; content:"GET"; http.uri; content:"|2f|line|2f 3f|fields|3d|hosting"; fast_pattern; http.header_names; bsize:22; content:"|0d 0a|host|0d 0a|connection|0d 0a 0d 0a|"; nocase; http.host; bsize:10; content:"ip-api.com"; http.connection; bsize:10; content:"Keep-Alive"; threshold:type limit,count 1,seconds 300,track by_src; classtype:trojan-activity; sid:2062720; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_06_03, deployment Perimeter, former_category HUNTING, confidence Medium, signature_severity Critical, updated_at 2025_06_09; target:src_ip;)