rule win_industrial_spy_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.industrial_spy."
        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.industrial_spy"
        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 = { 0bc1 418902 450fb64103 440bc0 458902 }
            // n = 5, score = 100
            //   0bc1                 | dec                 eax
            //   418902               | test                ebx, ebx
            //   450fb64103           | jne                 0x723
            //   440bc0               | dec                 eax
            //   458902               | mov                 eax, edi

        $sequence_1 = { 7549 33db 399de8190000 763f 8bc3 33d2 4869c89c020000 }
            // n = 7, score = 100
            //   7549                 | mov                 esi, eax
            //   33db                 | dec                 ebp
            //   399de8190000         | sub                 esi, ebp
            //   763f                 | dec                 eax
            //   8bc3                 | lea                 eax, [esp + 0x40]
            //   33d2                 | dec                 eax
            //   4869c89c020000       | sub                 edi, eax

        $sequence_2 = { ba00000040 498bcc ff15???????? 4c8be8 4883f8ff 0f8599000000 }
            // n = 6, score = 100
            //   ba00000040           | xor                 edx, dword ptr [ebx + 0x80]
            //   498bcc               | inc                 esp
            //   ff15????????         |                     
            //   4c8be8               | xor                 eax, dword ptr [ebx + 0x8c]
            //   4883f8ff             | inc                 esp
            //   0f8599000000         | mov                 dword ptr [ebx + 0x84], eax

        $sequence_3 = { 0f11440450 e8???????? eb05 b806040000 4c8d9c24b0000000 498b5b30 }
            // n = 6, score = 100
            //   0f11440450           | inc                 ebp
            //   e8????????           |                     
            //   eb05                 | lea                 eax, [esi - 1]
            //   b806040000           | dec                 eax
            //   4c8d9c24b0000000     | lea                 ecx, [esp + 0x40]
            //   498b5b30             | inc                 ecx

        $sequence_4 = { 418d8aa72394ab 4103d0 458d9039a093fc 0bc2 4133c0 }
            // n = 5, score = 100
            //   418d8aa72394ab       | mov                 eax, edx
            //   4103d0               | inc                 ebp
            //   458d9039a093fc       | xor                 eax, eax
            //   0bc2                 | inc                 ebp
            //   4133c0               | xor                 ecx, ecx

        $sequence_5 = { e9???????? 4d8bb4f6709a0100 33d2 498bce 41b800080000 ff15???????? }
            // n = 6, score = 100
            //   e9????????           |                     
            //   4d8bb4f6709a0100     | movups              xmmword ptr [ecx], xmm0
            //   33d2                 | movups              xmm0, xmmword ptr [eax + 0x20]
            //   498bce               | movups              xmmword ptr [ecx + 0x10], xmm1
            //   41b800080000         | inc                 ebp
            //   ff15????????         |                     

        $sequence_6 = { b907000000 e8???????? 8bc7 eb8a 4863d1 4c8d059e4d0100 }
            // n = 6, score = 100
            //   b907000000           | dec                 eax
            //   e8????????           |                     
            //   8bc7                 | lea                 ecx, [esp + 0x2d0]
            //   eb8a                 | movups              xmm0, xmmword ptr [esp + 0x1d0]
            //   4863d1               | inc                 esp
            //   4c8d059e4d0100       | mov                 dword ptr [esp + 0x24], edi

        $sequence_7 = { 498be3 415f 415e 415c c3 488d05e51e0200 c3 }
            // n = 7, score = 100
            //   498be3               | lea                 ecx, [ebp + 0xe0]
            //   415f                 | dec                 eax
            //   415e                 | lea                 ecx, [esp + 0x30]
            //   415c                 | inc                 esp
            //   c3                   | mov                 ecx, ebx
            //   488d05e51e0200       | dec                 esp
            //   c3                   | mov                 eax, eax

        $sequence_8 = { 498bd8 750d 803d????????f1 0f8431020000 488bcb ff15???????? }
            // n = 6, score = 100
            //   498bd8               | dec                 eax
            //   750d                 | mov                 dword ptr [ebp - 0x60], eax
            //   803d????????f1       |                     
            //   0f8431020000         | dec                 eax
            //   488bcb               | lea                 edx, [ebp + 0x420]
            //   ff15????????         |                     

        $sequence_9 = { 488d151af4ffff 483bc2 7423 65488b042530000000 488b8998000000 483b4810 7206 }
            // n = 7, score = 100
            //   488d151af4ffff       | test                eax, eax
            //   483bc2               | js                  0x182c
            //   7423                 | mov                 eax, 0x401
            //   65488b042530000000     | lea    ebx, [eax - 0x50]
            //   488b8998000000       | dec                 ecx
            //   483b4810             | mov                 ecx, esi
            //   7206                 | inc                 esp

    condition:
        7 of them and filesize < 339968
}