Windows_Trojan_SystemBC_22bdbb5e

rule Windows_Trojan_SystemBC_22bdbb5e {
    meta:
        author = "Elastic Security"
        id = "22bdbb5e-dbff-4186-b23a-b610a62b231a"
        fingerprint = "d090d2896057db2000515a29d077ad71d5d5885fc5249b9edb6f6e4e9b954c82"
        creation_date = "2025-09-18"
        last_modified = "2026-01-06"
        threat_name = "Windows.Trojan.SystemBC"
        reference_sample = "68d5fe65aadc29dd0761190fa36857b9546b6aeeb7ec473e2a84f07072c70311"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = { 8A 07 32 04 31 AA 48 FF 4D 28 48 FF C1 48 3B 4D 18 75 ?? 48 33 C9 }
        $a2 = { 48 C7 C2 28 00 00 00 4C 8D 05 ?? ?? ?? ?? 49 C7 C1 74 00 00 00 48 C7 44 24 ?? 01 00 00 00 E8 }
        $a3 = { 48 83 C4 20 66 C7 47 32 03 00 C6 47 35 01 }
        $a4 = { 75 ?? 80 3F FF 75 ?? 80 7F 01 FE 75 }
        $a5 = { 8A 8C 28 40 FE FF FF 88 8C 2B 40 FE FF FF 88 94 28 40 FE FF FF 02 CA 8A 8C 29 40 FE FF FF 30 0E 48 FF C6 48 FF CF }
        $a6 = { 48 C7 C2 32 00 00 00 4C 8D 45 ?? 49 C7 C1 0A 00 00 00 }
    condition:
        2 of them
}