rule win_maktub_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        version = "1"
        description = "Detects win.maktub."
        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.maktub"
        malpedia_rule_date = "20230705"
        malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41"
        malpedia_version = "20230715"
        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 = { ffd0 f7d8 1bc0 f7d8 8be5 }
            // n = 5, score = 400
            //   ffd0                 | call                eax
            //   f7d8                 | neg                 eax
            //   1bc0                 | sbb                 eax, eax
            //   f7d8                 | neg                 eax
            //   8be5                 | mov                 esp, ebp

        $sequence_1 = { c744241000000000 837e0800 51 89642428 }
            // n = 4, score = 300
            //   c744241000000000     | mov                 dword ptr [esp + 0x10], 0
            //   837e0800             | cmp                 dword ptr [esi + 8], 0
            //   51                   | push                ecx
            //   89642428             | mov                 dword ptr [esp + 0x28], esp

        $sequence_2 = { ff15???????? f6c301 7432 8b75b8 }
            // n = 4, score = 300
            //   ff15????????         |                     
            //   f6c301               | test                bl, 1
            //   7432                 | je                  0x34
            //   8b75b8               | mov                 esi, dword ptr [ebp - 0x48]

        $sequence_3 = { c744241000000000 51 50 ff15???????? 8b4c2410 8bf0 6a02 }
            // n = 7, score = 300
            //   c744241000000000     | mov                 dword ptr [esp + 0x10], 0
            //   51                   | push                ecx
            //   50                   | push                eax
            //   ff15????????         |                     
            //   8b4c2410             | mov                 ecx, dword ptr [esp + 0x10]
            //   8bf0                 | mov                 esi, eax
            //   6a02                 | push                2

        $sequence_4 = { ff15???????? f6c301 0f8414010000 8d46fc }
            // n = 4, score = 300
            //   ff15????????         |                     
            //   f6c301               | test                bl, 1
            //   0f8414010000         | je                  0x11a
            //   8d46fc               | lea                 eax, [esi - 4]

        $sequence_5 = { ff15???????? eb0a 57 6a08 50 ff15???????? }
            // n = 6, score = 300
            //   ff15????????         |                     
            //   eb0a                 | jmp                 0xc
            //   57                   | push                edi
            //   6a08                 | push                8
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_6 = { e8???????? 8b75fc 0fb74d10 8d7ef4 8b45f8 }
            // n = 5, score = 300
            //   e8????????           |                     
            //   8b75fc               | mov                 esi, dword ptr [ebp - 4]
            //   0fb74d10             | movzx               ecx, word ptr [ebp + 0x10]
            //   8d7ef4               | lea                 edi, [esi - 0xc]
            //   8b45f8               | mov                 eax, dword ptr [ebp - 8]

        $sequence_7 = { ff15???????? ff75f8 ff15???????? 5f 5e b801000000 }
            // n = 6, score = 300
            //   ff15????????         |                     
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   ff15????????         |                     
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   b801000000           | mov                 eax, 1

        $sequence_8 = { ff7004 ff30 e8???????? 8bc7 }
            // n = 4, score = 200
            //   ff7004               | push                dword ptr [eax + 4]
            //   ff30                 | push                dword ptr [eax]
            //   e8????????           |                     
            //   8bc7                 | mov                 eax, edi

        $sequence_9 = { c7451004000000 c7452802000000 897560 e8???????? 56 8d851cddffff 53 }
            // n = 7, score = 100
            //   c7451004000000       | mov                 dword ptr [ebp + 0x10], 4
            //   c7452802000000       | mov                 dword ptr [ebp + 0x28], 2
            //   897560               | mov                 dword ptr [ebp + 0x60], esi
            //   e8????????           |                     
            //   56                   | push                esi
            //   8d851cddffff         | lea                 eax, [ebp - 0x22e4]
            //   53                   | push                ebx

        $sequence_10 = { 8d4e44 e8???????? 8d4508 c7450801000000 }
            // n = 4, score = 100
            //   8d4e44               | lea                 ecx, [esi + 0x44]
            //   e8????????           |                     
            //   8d4508               | lea                 eax, [ebp + 8]
            //   c7450801000000       | mov                 dword ptr [ebp + 8], 1

        $sequence_11 = { c74544e8d54900 eb18 8d4544 b9???????? }
            // n = 4, score = 100
            //   c74544e8d54900       | mov                 dword ptr [ebp + 0x44], 0x49d5e8
            //   eb18                 | jmp                 0x1a
            //   8d4544               | lea                 eax, [ebp + 0x44]
            //   b9????????           |                     

        $sequence_12 = { 8d4e48 50 e8???????? 8d4d08 }
            // n = 4, score = 100
            //   8d4e48               | lea                 ecx, [esi + 0x48]
            //   50                   | push                eax
            //   e8????????           |                     
            //   8d4d08               | lea                 ecx, [ebp + 8]

        $sequence_13 = { c7454007000000 e8???????? 8d8538faffff 50 }
            // n = 4, score = 100
            //   c7454007000000       | mov                 dword ptr [ebp + 0x40], 7
            //   e8????????           |                     
            //   8d8538faffff         | lea                 eax, [ebp - 0x5c8]
            //   50                   | push                eax

        $sequence_14 = { c7452040000000 8d4d28 895d24 c70424???????? }
            // n = 4, score = 100
            //   c7452040000000       | mov                 dword ptr [ebp + 0x20], 0x40
            //   8d4d28               | lea                 ecx, [ebp + 0x28]
            //   895d24               | mov                 dword ptr [ebp + 0x24], ebx
            //   c70424????????       |                     

        $sequence_15 = { c7455001000000 50 8d4514 be01000080 }
            // n = 4, score = 100
            //   c7455001000000       | mov                 dword ptr [ebp + 0x50], 1
            //   50                   | push                eax
            //   8d4514               | lea                 eax, [ebp + 0x14]
            //   be01000080           | mov                 esi, 0x80000001

        $sequence_16 = { 8d4e44 e8???????? 8d4e34 e8???????? 8d4e14 }
            // n = 5, score = 100
            //   8d4e44               | lea                 ecx, [esi + 0x44]
            //   e8????????           |                     
            //   8d4e34               | lea                 ecx, [esi + 0x34]
            //   e8????????           |                     
            //   8d4e14               | lea                 ecx, [esi + 0x14]

        $sequence_17 = { 8d4e40 e8???????? 8d4df0 e8???????? }
            // n = 4, score = 100
            //   8d4e40               | lea                 ecx, [esi + 0x40]
            //   e8????????           |                     
            //   8d4df0               | lea                 ecx, [ebp - 0x10]
            //   e8????????           |                     

        $sequence_18 = { 8d4e40 e8???????? 8d4e30 e8???????? 8d4e1c }
            // n = 5, score = 100
            //   8d4e40               | lea                 ecx, [esi + 0x40]
            //   e8????????           |                     
            //   8d4e30               | lea                 ecx, [esi + 0x30]
            //   e8????????           |                     
            //   8d4e1c               | lea                 ecx, [esi + 0x1c]

        $sequence_19 = { 8d4e3c e8???????? 8d4e2c e8???????? 8d4e1c e8???????? 8d4e0c }
            // n = 7, score = 100
            //   8d4e3c               | lea                 ecx, [esi + 0x3c]
            //   e8????????           |                     
            //   8d4e2c               | lea                 ecx, [esi + 0x2c]
            //   e8????????           |                     
            //   8d4e1c               | lea                 ecx, [esi + 0x1c]
            //   e8????????           |                     
            //   8d4e0c               | lea                 ecx, [esi + 0xc]

        $sequence_20 = { c745140f000000 885d00 85c0 0f845a010000 }
            // n = 4, score = 100
            //   c745140f000000       | mov                 dword ptr [ebp + 0x14], 0xf
            //   885d00               | mov                 byte ptr [ebp], bl
            //   85c0                 | test                eax, eax
            //   0f845a010000         | je                  0x160

        $sequence_21 = { 8d4e40 e8???????? 8d4e50 e8???????? 8bc6 }
            // n = 5, score = 100
            //   8d4e40               | lea                 ecx, [esi + 0x40]
            //   e8????????           |                     
            //   8d4e50               | lea                 ecx, [esi + 0x50]
            //   e8????????           |                     
            //   8bc6                 | mov                 eax, esi

    condition:
        7 of them and filesize < 3063808
}