Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Lunar Builder Exfil via Discord M1"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/webhooks"; http.host; content:"discord.com"; http.request_body; content:".lunar|22 3b 20|filename=|22|"; content:"|0d 0a 0d 0a|<UsernameSplit><UsernameSplit><TimeHackedSplit>"; reference:md5,11ca4e678716a5aa177bd8506f0e109f; classtype:command-and-control; sid:2032804; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_22, deployment Perimeter, deployment SSLDecrypt, malware_family Lunar_Builder, performance_impact Low, confidence High, signature_severity Major, updated_at 2021_04_22;)