rule win_treasurehunter_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.treasurehunter."
        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.treasurehunter"
        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 = { a1???????? 33c4 89842430040000 53 56 57 51 }
            // n = 7, score = 300
            //   a1????????           |                     
            //   33c4                 | xor                 eax, esp
            //   89842430040000       | mov                 dword ptr [esp + 0x430], eax
            //   53                   | push                ebx
            //   56                   | push                esi
            //   57                   | push                edi
            //   51                   | push                ecx

        $sequence_1 = { 8a0e 46 84c9 75f9 2bf0 e8???????? }
            // n = 6, score = 300
            //   8a0e                 | mov                 cl, byte ptr [esi]
            //   46                   | inc                 esi
            //   84c9                 | test                cl, cl
            //   75f9                 | jne                 0xfffffffb
            //   2bf0                 | sub                 esi, eax
            //   e8????????           |                     

        $sequence_2 = { 8b4dfc 57 8901 e8???????? }
            // n = 4, score = 300
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   57                   | push                edi
            //   8901                 | mov                 dword ptr [ecx], eax
            //   e8????????           |                     

        $sequence_3 = { 8bf1 85d2 7e0b 4a e8???????? 0fafc6 5e }
            // n = 7, score = 300
            //   8bf1                 | mov                 esi, ecx
            //   85d2                 | test                edx, edx
            //   7e0b                 | jle                 0xd
            //   4a                   | dec                 edx
            //   e8????????           |                     
            //   0fafc6               | imul                eax, esi
            //   5e                   | pop                 esi

        $sequence_4 = { 8bd6 e8???????? 56 8bf8 e8???????? 68???????? 57 }
            // n = 7, score = 300
            //   8bd6                 | mov                 edx, esi
            //   e8????????           |                     
            //   56                   | push                esi
            //   8bf8                 | mov                 edi, eax
            //   e8????????           |                     
            //   68????????           |                     
            //   57                   | push                edi

        $sequence_5 = { 8bd9 8b4d08 57 8955fc e8???????? 8bce }
            // n = 6, score = 300
            //   8bd9                 | mov                 ebx, ecx
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   57                   | push                edi
            //   8955fc               | mov                 dword ptr [ebp - 4], edx
            //   e8????????           |                     
            //   8bce                 | mov                 ecx, esi

        $sequence_6 = { 57 e8???????? 83c40c be???????? ff36 57 }
            // n = 6, score = 300
            //   57                   | push                edi
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   be????????           |                     
            //   ff36                 | push                dword ptr [esi]
            //   57                   | push                edi

    condition:
        7 of them and filesize < 229376
}