rule win_darktequila_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.darktequila."
        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.darktequila"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { e8???????? 83c410 8bf3 e8???????? 8b45f8 8b4dfc }
            // n = 6, score = 200
            //   e8????????           |                     
            //   83c410               | add                 esp, 0x10
            //   8bf3                 | mov                 esi, ebx
            //   e8????????           |                     
            //   8b45f8               | mov                 eax, dword ptr [ebp - 8]
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]

        $sequence_1 = { b803000000 e8???????? 6a0b 50 e8???????? 8b4310 }
            // n = 6, score = 200
            //   b803000000           | mov                 eax, 3
            //   e8????????           |                     
            //   6a0b                 | push                0xb
            //   50                   | push                eax
            //   e8????????           |                     
            //   8b4310               | mov                 eax, dword ptr [ebx + 0x10]

        $sequence_2 = { 03c8 51 e8???????? 83c410 897b08 5f }
            // n = 6, score = 200
            //   03c8                 | add                 ecx, eax
            //   51                   | push                ecx
            //   e8????????           |                     
            //   83c410               | add                 esp, 0x10
            //   897b08               | mov                 dword ptr [ebx + 8], edi
            //   5f                   | pop                 edi

        $sequence_3 = { 8b4d08 8b15???????? 8901 8913 8be5 }
            // n = 5, score = 200
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   8b15????????         |                     
            //   8901                 | mov                 dword ptr [ecx], eax
            //   8913                 | mov                 dword ptr [ebx], edx
            //   8be5                 | mov                 esp, ebp

        $sequence_4 = { 33db 57 bf01000000 3bc3 7465 8b4e04 3bcb }
            // n = 7, score = 200
            //   33db                 | xor                 ebx, ebx
            //   57                   | push                edi
            //   bf01000000           | mov                 edi, 1
            //   3bc3                 | cmp                 eax, ebx
            //   7465                 | je                  0x67
            //   8b4e04               | mov                 ecx, dword ptr [esi + 4]
            //   3bcb                 | cmp                 ecx, ebx

        $sequence_5 = { 0f85c7000000 8945fc b809000000 c705????????01000000 }
            // n = 4, score = 200
            //   0f85c7000000         | jne                 0xcd
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   b809000000           | mov                 eax, 9
            //   c705????????01000000     |     

        $sequence_6 = { 7408 48 7527 8d4301 5b }
            // n = 5, score = 200
            //   7408                 | je                  0xa
            //   48                   | dec                 eax
            //   7527                 | jne                 0x29
            //   8d4301               | lea                 eax, [ebx + 1]
            //   5b                   | pop                 ebx

        $sequence_7 = { 8d9b00000000 c60000 40 49 75f9 c7420800000000 c7420c00000000 }
            // n = 7, score = 200
            //   8d9b00000000         | lea                 ebx, [ebx]
            //   c60000               | mov                 byte ptr [eax], 0
            //   40                   | inc                 eax
            //   49                   | dec                 ecx
            //   75f9                 | jne                 0xfffffffb
            //   c7420800000000       | mov                 dword ptr [edx + 8], 0
            //   c7420c00000000       | mov                 dword ptr [edx + 0xc], 0

        $sequence_8 = { 51 52 57 50 894df8 e8???????? 83c410 }
            // n = 7, score = 200
            //   51                   | push                ecx
            //   52                   | push                edx
            //   57                   | push                edi
            //   50                   | push                eax
            //   894df8               | mov                 dword ptr [ebp - 8], ecx
            //   e8????????           |                     
            //   83c410               | add                 esp, 0x10

        $sequence_9 = { 8b0e 33c0 81f900000080 7348 2bd0 7425 }
            // n = 6, score = 200
            //   8b0e                 | mov                 ecx, dword ptr [esi]
            //   33c0                 | xor                 eax, eax
            //   81f900000080         | cmp                 ecx, 0x80000000
            //   7348                 | jae                 0x4a
            //   2bd0                 | sub                 edx, eax
            //   7425                 | je                  0x27

    condition:
        7 of them and filesize < 1827840
}