alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED DDoSia Client CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/client/login"; http.user_agent; content:"Go-http-client/"; http.header; content:"User-Hash|3a 20 24|2a|24|16|24|"; fast_pattern; http.header_names; content:"|0d 0a|Host|0d 0a|User-Agent|0d 0a|Content-Length|0d 0a|Client-Hash|0d 0a|Content-Type|0d 0a|User-Hash|0d 0a|Accept-Encoding|0d 0a 0d 0a|"; http.request_body; content:"|7b 22|location|22 3a|"; startswith; reference:url,blog.sekoia.io/following-noname05716-ddosia-projects-targets; classtype:trojan-activity; sid:2046697; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_and_Server, created_at 2023_06_29, deployment Perimeter, former_category MALWARE, malware_family DDoSia, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_10_01, reviewed_at 2024_10_01; target:src_ip;)