rule win_victorygate_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.victorygate."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.victorygate"
        malpedia_rule_date = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 0f84aeba0000 83ec08 0fae5c2404 8b442404 25807f0000 3d801f0000 750f }
            // n = 7, score = 100
            //   0f84aeba0000         | je                  0xbab4
            //   83ec08               | sub                 esp, 8
            //   0fae5c2404           | stmxcsr             dword ptr [esp + 4]
            //   8b442404             | mov                 eax, dword ptr [esp + 4]
            //   25807f0000           | and                 eax, 0x7f80
            //   3d801f0000           | cmp                 eax, 0x1f80
            //   750f                 | jne                 0x11

        $sequence_1 = { 8b85d8f6ffff 0fb704857c1a4600 8d048578114600 50 8d85f0f6ffff 03c7 50 }
            // n = 7, score = 100
            //   8b85d8f6ffff         | mov                 eax, dword ptr [ebp - 0x928]
            //   0fb704857c1a4600     | movzx               eax, word ptr [eax*4 + 0x461a7c]
            //   8d048578114600       | lea                 eax, [eax*4 + 0x461178]
            //   50                   | push                eax
            //   8d85f0f6ffff         | lea                 eax, [ebp - 0x910]
            //   03c7                 | add                 eax, edi
            //   50                   | push                eax

        $sequence_2 = { 57 ff75ec c745fc00000000 ff7108 837de410 ff75e0 0f4345d0 }
            // n = 7, score = 100
            //   57                   | push                edi
            //   ff75ec               | push                dword ptr [ebp - 0x14]
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0
            //   ff7108               | push                dword ptr [ecx + 8]
            //   837de410             | cmp                 dword ptr [ebp - 0x1c], 0x10
            //   ff75e0               | push                dword ptr [ebp - 0x20]
            //   0f4345d0             | cmovae              eax, dword ptr [ebp - 0x30]

        $sequence_3 = { 83c404 8d0481 894df8 8955fc 8945e8 3bc8 7427 }
            // n = 7, score = 100
            //   83c404               | add                 esp, 4
            //   8d0481               | lea                 eax, [ecx + eax*4]
            //   894df8               | mov                 dword ptr [ebp - 8], ecx
            //   8955fc               | mov                 dword ptr [ebp - 4], edx
            //   8945e8               | mov                 dword ptr [ebp - 0x18], eax
            //   3bc8                 | cmp                 ecx, eax
            //   7427                 | je                  0x29

        $sequence_4 = { 69c993010001 33c8 0fb6450f 69c993010001 33c8 69c993010001 8bc1 }
            // n = 7, score = 100
            //   69c993010001         | imul                ecx, ecx, 0x1000193
            //   33c8                 | xor                 ecx, eax
            //   0fb6450f             | movzx               eax, byte ptr [ebp + 0xf]
            //   69c993010001         | imul                ecx, ecx, 0x1000193
            //   33c8                 | xor                 ecx, eax
            //   69c993010001         | imul                ecx, ecx, 0x1000193
            //   8bc1                 | mov                 eax, ecx

        $sequence_5 = { 6a34 8bf1 e8???????? 83c404 85c0 7418 ff750c }
            // n = 7, score = 100
            //   6a34                 | push                0x34
            //   8bf1                 | mov                 esi, ecx
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   85c0                 | test                eax, eax
            //   7418                 | je                  0x1a
            //   ff750c               | push                dword ptr [ebp + 0xc]

        $sequence_6 = { 0f8733110000 52 51 e8???????? 83c408 ff15???????? 8986a8000000 }
            // n = 7, score = 100
            //   0f8733110000         | ja                  0x1139
            //   52                   | push                edx
            //   51                   | push                ecx
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   ff15????????         |                     
            //   8986a8000000         | mov                 dword ptr [esi + 0xa8], eax

        $sequence_7 = { 85f6 0f845f030000 837b3801 8d4308 8d533c 0f45d0 83ec18 }
            // n = 7, score = 100
            //   85f6                 | test                esi, esi
            //   0f845f030000         | je                  0x365
            //   837b3801             | cmp                 dword ptr [ebx + 0x38], 1
            //   8d4308               | lea                 eax, [ebx + 8]
            //   8d533c               | lea                 edx, [ebx + 0x3c]
            //   0f45d0               | cmovne              edx, eax
            //   83ec18               | sub                 esp, 0x18

        $sequence_8 = { e8???????? 0fb64db8 8bf8 8b45c0 8a17 880f 8b770c }
            // n = 7, score = 100
            //   e8????????           |                     
            //   0fb64db8             | movzx               ecx, byte ptr [ebp - 0x48]
            //   8bf8                 | mov                 edi, eax
            //   8b45c0               | mov                 eax, dword ptr [ebp - 0x40]
            //   8a17                 | mov                 dl, byte ptr [edi]
            //   880f                 | mov                 byte ptr [edi], cl
            //   8b770c               | mov                 esi, dword ptr [edi + 0xc]

        $sequence_9 = { c745fc05000000 8d4d10 ff7508 e8???????? 8b4df4 8bc7 5f }
            // n = 7, score = 100
            //   c745fc05000000       | mov                 dword ptr [ebp - 4], 5
            //   8d4d10               | lea                 ecx, [ebp + 0x10]
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   8b4df4               | mov                 ecx, dword ptr [ebp - 0xc]
            //   8bc7                 | mov                 eax, edi
            //   5f                   | pop                 edi

    condition:
        7 of them and filesize < 1209344
}