Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/LODEINFO v0.4.x 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:"=Ghc7XJ5OVyh_"; fast_pattern; http.header_names; content:!"Referer"; content:!"Accept"; reference:url,blogs.jpcert.or.jp/en/2021/02/LODEINFO-3.html; reference:md5,7831a9eebbb485ab4850460e33185cb3; classtype:command-and-control; sid:2031641; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_02_19, deployment Perimeter, malware_family LODEINFO, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_19;)