Versions (4)
Version DetailsCurrent
Rev: 2 • Sep 30, 2021, 12:00 PMET MALWARE S400 RAT Client Checkin via Discord
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE S400 RAT Client 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:"content=S-400+RAT+%3a"; startswith; fast_pattern; content:"%0d%0ainformation"; distance:0; reference:md5,41ca8d5782ef5ac7a371b44f51dc48d9; classtype:command-and-control; sid:2034065; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_30, deployment Perimeter, deployment SSLDecrypt, malware_family S400, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_24;)
Sep 30, 2021, 12:00 PM
Mar 24, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 8, 2025, 9:34 PM
rules/emerging-malware.rules