Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/80mb3rm4n Grabber CnC Exfil via Discord (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/webhooks/"; startswith; http.host; content:"discord.com"; endswith; http.request_body; content:"|7b 22|footer|22 3a 7b 22|text|22 3a 22|"; depth:35; content:"|20|Grabber|20 7c 20|202"; fast_pattern; content:"|7d 2c 22|author|22 3a 7b 22|name|22 3a 22|"; content:"|20|Grabber|22 2c 22|url|22 3a 22|http"; content:"|7b 22|name|22 3a 22|Machine|20|Name|22 2c 22|value|22 3a 22|"; reference:md5,4ed73704b1bf762248800bb7432c727e; reference:url,twitter.com/suyog41/status/1653649768500047873; classtype:trojan-activity; sid:2045310; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_03, deployment Perimeter, deployment SSLDecrypt, malware_family Win32_80mb3rm4n, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_03;)