Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/LODEINFO CnC Checkin"; flow:established,to_server; urilen:1; http.start; content:"POST|20|/|20|HTTP/1.1|0d 0a|Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|User-Agent|3a 20|"; http.request_body; content:"data=DIajqcc5lVuJpjwvr36"; fast_pattern; startswith; http.header_names; content:!"Referer"; content:!"Accept"; reference:md5,b48d220f21e545886a08f9686eb0b8c5; reference:url,blogs.jpcert.or.jp/en/2020/02/malware-lodeinfo-targeting-japan.html; classtype:command-and-control; sid:2029588; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_09, deployment Perimeter, malware_family LODEINFO, confidence High, signature_severity Major, updated_at 2020_03_09;)