alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE BlankGrabber Stealer Exfiltration via Discord"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/webhooks/"; startswith; http.host; bsize:14; content:"discordapp.com"; http.request_body; content:"name|3d 22|file|22 3b 20|filename|3d 22|Blank|2d|admin|2e|rar|22|"; fast_pattern; reference:url,app.any.run/tasks/d57805e3-c606-465f-9ec5-56a0f6854982/; reference:md5,40b8c4e793c6341ad23f27d18b5646eb; classtype:trojan-activity; sid:2055394; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_22, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, tag c2, updated_at 2024_08_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)