alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/RecordBreaker CnC Exfil (Cookies)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:32; http.content_type; content:"multipart|2f|form|2d|data|3b 20|boundary|3d|"; startswith; pcre:"/^(?:[a-zA-Z0-9]{16})$/R"; http.user_agent; content:"record"; bsize:6; fast_pattern; http.host; pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/"; http.header_names; content:!"Referer"; http.request_body; content:"|2d 2d|"; startswith; content:"filename|3d 22 5c|cookies|2e|txt|22|"; distance:60; within:30; reference:url,twitter.com/Threatlabz/status/1562159016091848707; classtype:trojan-activity; sid:2038610; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_24, deployment Perimeter, malware_family Win32_RecordBreaker, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_24, reviewed_at 2024_12_02;)