rule win_unidentified_118_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.unidentified_118."
        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.unidentified_118"
        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 = { 4c8b442470 408ad6 488bcd ffd7 488b5c2450 488b6c2460 }
            // n = 6, score = 300
            //   4c8b442470           | cmp                 edi, 0xf
            //   408ad6               | jbe                 0x95
            //   488bcd               | dec                 eax
            //   ffd7                 | mov                 edx, dword ptr [esi]
            //   488b5c2450           | dec                 eax
            //   488b6c2460           | cmp                 dword ptr [ecx + 0x18], 0xf

        $sequence_1 = { 8ada 4533c0 ba64614a00 418bf1 e8???????? 488bf8 84db }
            // n = 7, score = 300
            //   8ada                 | dec                 eax
            //   4533c0               | cmp                 dword ptr [ebp - 0x60], 0xf
            //   ba64614a00           | dec                 eax
            //   418bf1               | cmova               edi, dword ptr [ebp - 0x78]
            //   e8????????           |                     
            //   488bf8               | dec                 ecx
            //   84db                 | mov                 ebx, dword ptr [edi]

        $sequence_2 = { 4c8bee 4183e50f 41bf10000000 4d2bfd 488bc6 48c1e804 }
            // n = 6, score = 300
            //   4c8bee               | test                edx, edx
            //   4183e50f             | je                  0x173
            //   41bf10000000         | dec                 eax
            //   4d2bfd               | mov                 ecx, edx
            //   488bc6               | dec                 eax
            //   48c1e804             | mov                 edi, edx

        $sequence_3 = { 4883ec40 498be8 8ada 4533c0 ba1a55c914 418af1 e8???????? }
            // n = 7, score = 300
            //   4883ec40             | jmp                 0x4c4
            //   498be8               | dec                 eax
            //   8ada                 | mov                 eax, dword ptr [ebp + 7]
            //   4533c0               | dec                 esp
            //   ba1a55c914           | mov                 eax, dword ptr [eax]
            //   418af1               | dec                 eax
            //   e8????????           |                     

        $sequence_4 = { 4803d5 e8???????? 4533c0 488d542420 }
            // n = 4, score = 300
            //   4803d5               | inc                 ecx
            //   e8????????           |                     
            //   4533c0               | mov                 ecx, 1
            //   488d542420           | inc                 ebp

        $sequence_5 = { e8???????? eb05 e8???????? 488bf0 440fbe642470 4d8bc7 }
            // n = 6, score = 300
            //   e8????????           |                     
            //   eb05                 | xor                 edx, edx
            //   e8????????           |                     
            //   488bf0               | dec                 eax
            //   440fbe642470         | mov                 ecx, dword ptr [edi]
            //   4d8bc7               | inc                 esp

        $sequence_6 = { 4c8b4010 488bd3 488bcf 41ffd0 eb29 488b4330 48894730 }
            // n = 7, score = 300
            //   4c8b4010             | dec                 eax
            //   488bd3               | sub                 esp, 0x20
            //   488bcf               | mov                 eax, dword ptr [edx]
            //   41ffd0               | dec                 esp
            //   eb29                 | lea                 esi, [edx + 8]
            //   488b4330             | dec                 eax
            //   48894730             | mov                 dword ptr [esp + 8], ebx

        $sequence_7 = { 488b1b 894708 807b1900 749a 488b5c2440 488bc7 488b6c2448 }
            // n = 7, score = 300
            //   488b1b               | inc                 eax
            //   894708               | push                ebx
            //   807b1900             | dec                 eax
            //   749a                 | sub                 esp, 0x20
            //   488b5c2440           | dec                 eax
            //   488bc7               | mov                 ebx, ecx
            //   488b6c2448           | dec                 eax

        $sequence_8 = { 4533c0 ba5a02a10d 498bcd e8???????? }
            // n = 4, score = 300
            //   4533c0               | and                 edx, 0x3f
            //   ba5a02a10d           | inc                 ecx
            //   498bcd               | mov                 esi, eax
            //   e8????????           |                     

        $sequence_9 = { 7631 48ffc2 488b4dc8 488bc1 4881fa00100000 7219 4883c227 }
            // n = 7, score = 300
            //   7631                 | dec                 eax
            //   48ffc2               | lea                 ecx, [esp + 0x20]
            //   488b4dc8             | dec                 eax
            //   488bc1               | mov                 edx, esi
            //   4881fa00100000       | dec                 eax
            //   7219                 | lea                 ecx, [eax + eax]
            //   4883c227             | dec                 eax

    condition:
        7 of them and filesize < 413696
}