rule win_treasurehunter_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        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 = "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 = { 8bf8 e8???????? 68???????? 57 e8???????? }
            // n = 5, score = 300
            //   8bf8                 | mov                 edi, eax
            //   e8????????           |                     
            //   68????????           |                     
            //   57                   | push                edi
            //   e8????????           |                     

        $sequence_1 = { 8b35???????? 8bd9 8b4d08 57 8955fc e8???????? }
            // n = 6, score = 300
            //   8b35????????         |                     
            //   8bd9                 | mov                 ebx, ecx
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   57                   | push                edi
            //   8955fc               | mov                 dword ptr [ebp - 4], edx
            //   e8????????           |                     

        $sequence_2 = { 7e0b 4a e8???????? 0fafc6 }
            // n = 4, score = 300
            //   7e0b                 | jle                 0xd
            //   4a                   | dec                 edx
            //   e8????????           |                     
            //   0fafc6               | imul                eax, esi

        $sequence_3 = { ff15???????? 8b4dfc 57 8901 }
            // n = 4, score = 300
            //   ff15????????         |                     
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   57                   | push                edi
            //   8901                 | mov                 dword ptr [ecx], eax

        $sequence_4 = { 6800000020 6a2f 68???????? 57 ff15???????? }
            // n = 5, score = 300
            //   6800000020           | push                0x20000000
            //   6a2f                 | push                0x2f
            //   68????????           |                     
            //   57                   | push                edi
            //   ff15????????         |                     

        $sequence_5 = { 6801020000 6a00 68???????? 6802000080 }
            // n = 4, score = 300
            //   6801020000           | push                0x201
            //   6a00                 | push                0
            //   68????????           |                     
            //   6802000080           | push                0x80000002

        $sequence_6 = { 41 83f921 7cf3 8b15???????? 8b0d???????? }
            // n = 5, score = 300
            //   41                   | inc                 ecx
            //   83f921               | cmp                 ecx, 0x21
            //   7cf3                 | jl                  0xfffffff5
            //   8b15????????         |                     
            //   8b0d????????         |                     

        $sequence_7 = { 8955fc e8???????? 8bce 8bf8 }
            // n = 4, score = 300
            //   8955fc               | mov                 dword ptr [ebp - 4], edx
            //   e8????????           |                     
            //   8bce                 | mov                 ecx, esi
            //   8bf8                 | mov                 edi, eax

    condition:
        7 of them and filesize < 229376
}