alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OrbitalBeam CnC Activity (Debug)"; flow:established,to_server; urilen:20; http.method; content:"POST"; http.uri; content:"/api/v1/Client/Debug"; fast_pattern; http.header_names; content:"X-Request-ID|0d 0a|"; http.header; content:"X-Request-ID|3a 20|"; pcre:"/^(?:(?:[a-z0-9]{8})\x2d(?:[a-z0-9]{4})\x2d(?:[a-z0-9]{4})\x2d(?:[a-z0-9]{4})\x2d(?:[a-z0-9]{12})\x0d\x0a)/R"; http.request_body; content:"Debug|3a 20|"; startswith; threshold:type limit,track by_src,count 1,seconds 300; classtype:trojan-activity; sid:2050012; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_01_11, deployment Perimeter, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_11;)