rule win_makadocs_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-08-05"
        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 = "20220805"
        malpedia_hash = "6ec06c64bcfdbeda64eff021c766b4ce34542b71"
        malpedia_version = "20220808"
        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 = { e8???????? c645fc07 8b8554ffffff 83c0f0 8d480c 83caff f00fc111 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   c645fc07             | mov                 byte ptr [ebp - 4], 7
            //   8b8554ffffff         | mov                 eax, dword ptr [ebp - 0xac]
            //   83c0f0               | add                 eax, -0x10
            //   8d480c               | lea                 ecx, [eax + 0xc]
            //   83caff               | or                  edx, 0xffffffff
            //   f00fc111             | lock xadd           dword ptr [ecx], edx

        $sequence_1 = { 50 8b4204 ffd0 c68424b800000007 8b44241c 83c0f0 8d480c }
            // n = 7, score = 100
            //   50                   | push                eax
            //   8b4204               | mov                 eax, dword ptr [edx + 4]
            //   ffd0                 | call                eax
            //   c68424b800000007     | mov                 byte ptr [esp + 0xb8], 7
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   83c0f0               | add                 eax, -0x10
            //   8d480c               | lea                 ecx, [eax + 0xc]

        $sequence_2 = { eb0f 8bc5 8d5001 90 }
            // n = 4, score = 100
            //   eb0f                 | jmp                 0x11
            //   8bc5                 | mov                 eax, ebp
            //   8d5001               | lea                 edx, [eax + 1]
            //   90                   | nop                 

        $sequence_3 = { 51 8bcc 89642440 51 8bce e8???????? 83c404 }
            // n = 7, score = 100
            //   51                   | push                ecx
            //   8bcc                 | mov                 ecx, esp
            //   89642440             | mov                 dword ptr [esp + 0x40], esp
            //   51                   | push                ecx
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   83c404               | add                 esp, 4

        $sequence_4 = { 52 e8???????? c68424a400000030 8b00 50 68???????? 68???????? }
            // n = 7, score = 100
            //   52                   | push                edx
            //   e8????????           |                     
            //   c68424a400000030     | mov                 byte ptr [esp + 0xa4], 0x30
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   50                   | push                eax
            //   68????????           |                     
            //   68????????           |                     

        $sequence_5 = { 8b742454 3bf5 743c 8b442458 8bf8 3bf0 7429 }
            // n = 7, score = 100
            //   8b742454             | mov                 esi, dword ptr [esp + 0x54]
            //   3bf5                 | cmp                 esi, ebp
            //   743c                 | je                  0x3e
            //   8b442458             | mov                 eax, dword ptr [esp + 0x58]
            //   8bf8                 | mov                 edi, eax
            //   3bf0                 | cmp                 esi, eax
            //   7429                 | je                  0x2b

        $sequence_6 = { 51 8d5d44 8bf4 8bc3 8964241c e8???????? e8???????? }
            // n = 7, score = 100
            //   51                   | push                ecx
            //   8d5d44               | lea                 ebx, [ebp + 0x44]
            //   8bf4                 | mov                 esi, esp
            //   8bc3                 | mov                 eax, ebx
            //   8964241c             | mov                 dword ptr [esp + 0x1c], esp
            //   e8????????           |                     
            //   e8????????           |                     

        $sequence_7 = { 8b11 50 8b4204 ffd0 c68424b800000009 }
            // n = 5, score = 100
            //   8b11                 | mov                 edx, dword ptr [ecx]
            //   50                   | push                eax
            //   8b4204               | mov                 eax, dword ptr [edx + 4]
            //   ffd0                 | call                eax
            //   c68424b800000009     | mov                 byte ptr [esp + 0xb8], 9

        $sequence_8 = { 8d442428 64a300000000 8b442438 8b4044 83f807 0f8c880e0000 8d4c2414 }
            // n = 7, score = 100
            //   8d442428             | lea                 eax, [esp + 0x28]
            //   64a300000000         | mov                 dword ptr fs:[0], eax
            //   8b442438             | mov                 eax, dword ptr [esp + 0x38]
            //   8b4044               | mov                 eax, dword ptr [eax + 0x44]
            //   83f807               | cmp                 eax, 7
            //   0f8c880e0000         | jl                  0xe8e
            //   8d4c2414             | lea                 ecx, [esp + 0x14]

        $sequence_9 = { 6a00 6a00 6a00 57 50 ffd3 85c0 }
            // n = 7, score = 100
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   57                   | push                edi
            //   50                   | push                eax
            //   ffd3                 | call                ebx
            //   85c0                 | test                eax, eax

    condition:
        7 of them and filesize < 344064
}