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Rev: 3 • Apr 16, 2019, 12:00 PMET MALWARE Outbound POST Request with Base64 ps PowerShell Command Output M3
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Outbound POST Request with Base64 ps PowerShell Command Output M3"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"IYW5kbGVzICBOUE0oSykgICAgUE0oSykgICAgICBXUyhLKSBWTShNKSAgIENQVSh"; fast_pattern; reference:url,attack.mitre.org/techniques/T1057/; reference:url,attack.mitre.org/techniques/T1086/; reference:url,attack.mitre.org/techniques/T1132/; classtype:trojan-activity; sid:2027213; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_04_16, confidence High, signature_severity Major, tag T1086, tag T1057, tag T1132, updated_at 2020_08_28;)
Apr 16, 2019, 12:00 PM
Aug 28, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules