Trojan_Win64_Generic_22

rule Trojan_Win64_Generic_22
{
    meta:
        description = "Detects FireEye's Windows Trojan"
        date = "2020-11-26"
        modified = "2020-11-26"
        md5 = "f7d9961463b5110a3d70ee2e97842ed3"
        reference = "https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html"
        author = "FireEye"
        id = "e79661a8-5254-5e8e-b92b-edf1ddb072ff"
    strings:
        $api1 = "VirtualAllocEx" fullword
        $api2 = "UpdateProcThreadAttribute" fullword
        $api3 = "DuplicateTokenEx" fullword
        $api4 = "CreateProcessAsUserA" fullword
        $inject = { C7 44 24 20 40 00 00 00 33 D2 41 B9 00 30 00 00 41 B8 [4] 48 8B CB FF 15 [4] 48 8B F0 48 85 C0 74 ?? 4C 89 74 24 20 41 B9 [4] 4C 8D 05 [4] 48 8B D6 48 8B CB FF 15 [4] 85 C0 75 [5-10] 4C 8D 0C 3E 48 8D 44 24 ?? 48 89 44 24 30 44 89 74 24 28 4C 89 74 24 20 33 D2 41 B8 [4] 48 8B CB FF 15 }
        $process = { 89 74 24 30 ?? 8D 4C 24 [2] 89 74 24 28 33 D2 41 B8 00 00 02 00 48 C7 44 24 20 08 00 00 00 48 8B CF FF 15 [4] 85 C0 0F 84 [4] 48 8B [2-3] 48 8D 45 ?? 48 89 44 24 50 4C 8D 05 [4] 48 8D 45 ?? 48 89 7D 08 48 89 44 24 48 45 33 C9 ?? 89 74 24 40 33 D2 ?? 89 74 24 38 C7 44 24 30 04 00 08 00 [0-1] 89 74 24 28 ?? 89 74 24 20 FF 15 }
        $token = { FF 15 [4] 4C 8D 44 24 ?? BA 0A 00 00 00 48 8B C8 FF 15 [4] 85 C0 0F 84 [4] 48 8B 4C 24 ?? 48 8D [2-3] 41 B9 02 00 00 00 48 89 44 24 28 45 33 C0 C7 44 24 20 02 00 00 00 41 8D 51 09 FF 15 [4] 85 C0 0F 84 [4] 45 33 C0 4C 8D 4C 24 ?? 33 C9 41 8D 50 01 FF 15 }
    condition:
        ((uint16(0) == 0x5A4D and uint32(uint32(0x3C)) == 0x00004550) and (uint16(uint32(0x3C)+0x18) == 0x020B)) and all of them
}