alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Kratos Silent Miner Checkin via Discord"; flow:established,to_server; http.request_line; content:"POST /api/webhooks/"; startswith; http.host; content:"discord"; depth:7; content:".com"; endswith; http.request_body; content:"|22|name|22 3a 22|Kratos|20|Silent|20|"; fast_pattern; content:"|22|name|22 3a 22|PC|20|Name|3a 22 2c 22|value|22 3a 22|"; reference:md5,7ca63bab6e05704d2c7b48461e563f4c; classtype:command-and-control; sid:2036305; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_22, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_22;)