Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Lunar Builder Exfil via Discord M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/webhooks"; http.host; content:"discord.com"; http.request_body; content:".lunar"; content:"|3b 20|filename="; within:12; content:"|0d 0a 0d 0a|[Username]"; distance:0; content:"[Username][TimeHacked]"; distance:0; reference:md5,19917b254644d1039dd31d0a488ddeeb; classtype:command-and-control; sid:2033440; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_07_27, deployment Perimeter, deployment SSLDecrypt, malware_family Lunar_Builder, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_27;)