rule win_taleret_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.taleret."
        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.taleret"
        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 = { 56 57 33f6 68???????? 89742444 e8???????? }
            // n = 6, score = 100
            //   56                   | push                esi
            //   57                   | push                edi
            //   33f6                 | xor                 esi, esi
            //   68????????           |                     
            //   89742444             | mov                 dword ptr [esp + 0x44], esi
            //   e8????????           |                     

        $sequence_1 = { 8b74242c 85c0 8906 752c 8d4c2404 }
            // n = 5, score = 100
            //   8b74242c             | mov                 esi, dword ptr [esp + 0x2c]
            //   85c0                 | test                eax, eax
            //   8906                 | mov                 dword ptr [esi], eax
            //   752c                 | jne                 0x2e
            //   8d4c2404             | lea                 ecx, [esp + 4]

        $sequence_2 = { ffd7 8b742430 81e6ffff0000 83fe31 7e05 }
            // n = 5, score = 100
            //   ffd7                 | call                edi
            //   8b742430             | mov                 esi, dword ptr [esp + 0x30]
            //   81e6ffff0000         | and                 esi, 0xffff
            //   83fe31               | cmp                 esi, 0x31
            //   7e05                 | jle                 7

        $sequence_3 = { 89742444 e8???????? 83c404 b949000000 33c0 8d7c2458 }
            // n = 6, score = 100
            //   89742444             | mov                 dword ptr [esp + 0x44], esi
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   b949000000           | mov                 ecx, 0x49
            //   33c0                 | xor                 eax, eax
            //   8d7c2458             | lea                 edi, [esp + 0x58]

        $sequence_4 = { 56 56 ffd0 8d942494000000 83f820 52 }
            // n = 6, score = 100
            //   56                   | push                esi
            //   56                   | push                esi
            //   ffd0                 | call                eax
            //   8d942494000000       | lea                 edx, [esp + 0x94]
            //   83f820               | cmp                 eax, 0x20
            //   52                   | push                edx

        $sequence_5 = { 75c1 81fb0000a000 774c 895c2410 }
            // n = 4, score = 100
            //   75c1                 | jne                 0xffffffc3
            //   81fb0000a000         | cmp                 ebx, 0xa00000
            //   774c                 | ja                  0x4e
            //   895c2410             | mov                 dword ptr [esp + 0x10], ebx

        $sequence_6 = { 85ed 0f849c040000 55 6a00 ffd7 }
            // n = 5, score = 100
            //   85ed                 | test                ebp, ebp
            //   0f849c040000         | je                  0x4a2
            //   55                   | push                ebp
            //   6a00                 | push                0
            //   ffd7                 | call                edi

        $sequence_7 = { 68???????? 8bce e8???????? c744242801000000 }
            // n = 4, score = 100
            //   68????????           |                     
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   c744242801000000     | mov                 dword ptr [esp + 0x28], 1

        $sequence_8 = { 6a00 ff15???????? a1???????? 85c0 7408 6a00 }
            // n = 6, score = 100
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   a1????????           |                     
            //   85c0                 | test                eax, eax
            //   7408                 | je                  0xa
            //   6a00                 | push                0

        $sequence_9 = { 7467 8b442414 85c0 0f84b4000000 8b4c2410 03f0 2bc8 }
            // n = 7, score = 100
            //   7467                 | je                  0x69
            //   8b442414             | mov                 eax, dword ptr [esp + 0x14]
            //   85c0                 | test                eax, eax
            //   0f84b4000000         | je                  0xba
            //   8b4c2410             | mov                 ecx, dword ptr [esp + 0x10]
            //   03f0                 | add                 esi, eax
            //   2bc8                 | sub                 ecx, eax

    condition:
        7 of them and filesize < 73728
}