Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED [ANY.RUN] Echida Botnet Check-In M1"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/connect_bot.php"; fast_pattern; endswith; http.content_type; content:"application/x-www-form-urlencoded"; http.header_names; content:!"Referer|0d 0a|"; content:!"User-Agent|0d 0a|"; http.request_body; content:"data="; startswith; base64_decode:bytes 120, relative; base64_data; content:"|28 2a 29|Microsoft"; reference:md5,68e3359674ee7d49550b09e7ff69dcce; reference:url,twitter.com/ViriBack/status/1698693553168236869; classtype:command-and-control; sid:2047921; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_09_05, deployment Perimeter, former_category MALWARE, malware_family echida_botnet, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_10_02, reviewed_at 2024_10_02; target:src_ip;)