rule win_makadocs_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-04-08"
        version = "1"
        description = "Detects win.makadocs."
        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.makadocs"
        malpedia_rule_date = "20220405"
        malpedia_hash = "ecd38294bd47d5589be5cd5490dc8bb4804afc2a"
        malpedia_version = "20220411"
        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 = { 7d02 33db 81fbfeffff7f 8b54240c 8b0a 8b41f4 7f6f }
            // n = 7, score = 100
            //   7d02                 | jge                 4
            //   33db                 | xor                 ebx, ebx
            //   81fbfeffff7f         | cmp                 ebx, 0x7ffffffe
            //   8b54240c             | mov                 edx, dword ptr [esp + 0xc]
            //   8b0a                 | mov                 ecx, dword ptr [edx]
            //   8b41f4               | mov                 eax, dword ptr [ecx - 0xc]
            //   7f6f                 | jg                  0x71

        $sequence_1 = { 56 53 6a00 6a03 83cfff ff15???????? }
            // n = 6, score = 100
            //   56                   | push                esi
            //   53                   | push                ebx
            //   6a00                 | push                0
            //   6a03                 | push                3
            //   83cfff               | or                  edi, 0xffffffff
            //   ff15????????         |                     

        $sequence_2 = { 8dbd54ffffff e8???????? 83c404 8d9d44ffffff c645fc18 e8???????? c645fc17 }
            // n = 7, score = 100
            //   8dbd54ffffff         | lea                 edi, dword ptr [ebp - 0xac]
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   8d9d44ffffff         | lea                 ebx, dword ptr [ebp - 0xbc]
            //   c645fc18             | mov                 byte ptr [ebp - 4], 0x18
            //   e8????????           |                     
            //   c645fc17             | mov                 byte ptr [ebp - 4], 0x17

        $sequence_3 = { 50 8b4204 ffd0 c644242400 8b442430 83c0f0 8d480c }
            // n = 7, score = 100
            //   50                   | push                eax
            //   8b4204               | mov                 eax, dword ptr [edx + 4]
            //   ffd0                 | call                eax
            //   c644242400           | mov                 byte ptr [esp + 0x24], 0
            //   8b442430             | mov                 eax, dword ptr [esp + 0x30]
            //   83c0f0               | add                 eax, -0x10
            //   8d480c               | lea                 ecx, dword ptr [eax + 0xc]

        $sequence_4 = { 83c404 56 8bf8 ff15???????? 8b45f4 8b5c241c 8b542414 }
            // n = 7, score = 100
            //   83c404               | add                 esp, 4
            //   56                   | push                esi
            //   8bf8                 | mov                 edi, eax
            //   ff15????????         |                     
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   8b5c241c             | mov                 ebx, dword ptr [esp + 0x1c]
            //   8b542414             | mov                 edx, dword ptr [esp + 0x14]

        $sequence_5 = { 51 e8???????? c64424702c 8b10 8b442424 8b7c2478 }
            // n = 6, score = 100
            //   51                   | push                ecx
            //   e8????????           |                     
            //   c64424702c           | mov                 byte ptr [esp + 0x70], 0x2c
            //   8b10                 | mov                 edx, dword ptr [eax]
            //   8b442424             | mov                 eax, dword ptr [esp + 0x24]
            //   8b7c2478             | mov                 edi, dword ptr [esp + 0x78]

        $sequence_6 = { 56 8bf8 ff15???????? 8b6c2424 8d442418 50 6a01 }
            // n = 7, score = 100
            //   56                   | push                esi
            //   8bf8                 | mov                 edi, eax
            //   ff15????????         |                     
            //   8b6c2424             | mov                 ebp, dword ptr [esp + 0x24]
            //   8d442418             | lea                 eax, dword ptr [esp + 0x18]
            //   50                   | push                eax
            //   6a01                 | push                1

        $sequence_7 = { b9???????? e8???????? c644243416 8b07 51 83e810 89642424 }
            // n = 7, score = 100
            //   b9????????           |                     
            //   e8????????           |                     
            //   c644243416           | mov                 byte ptr [esp + 0x34], 0x16
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   51                   | push                ecx
            //   83e810               | sub                 eax, 0x10
            //   89642424             | mov                 dword ptr [esp + 0x24], esp

        $sequence_8 = { 51 68???????? 8d542430 52 8bc6 c644247410 }
            // n = 6, score = 100
            //   51                   | push                ecx
            //   68????????           |                     
            //   8d542430             | lea                 edx, dword ptr [esp + 0x30]
            //   52                   | push                edx
            //   8bc6                 | mov                 eax, esi
            //   c644247410           | mov                 byte ptr [esp + 0x74], 0x10

        $sequence_9 = { 33c0 40 e9???????? 8365d800 c745dca4214100 a1???????? 8d4dd8 }
            // n = 7, score = 100
            //   33c0                 | xor                 eax, eax
            //   40                   | inc                 eax
            //   e9????????           |                     
            //   8365d800             | and                 dword ptr [ebp - 0x28], 0
            //   c745dca4214100       | mov                 dword ptr [ebp - 0x24], 0x4121a4
            //   a1????????           |                     
            //   8d4dd8               | lea                 ecx, dword ptr [ebp - 0x28]

    condition:
        7 of them and filesize < 344064
}