rule win_mokes_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-05-16"
        version = "1"
        description = "Detects win.mokes."
        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.mokes"
        malpedia_rule_date = "20220513"
        malpedia_hash = "7f4b2229e6ae614d86d74917f6d5b41890e62a26"
        malpedia_version = "20220516"
        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 = { f20f59c1 f20f58e0 f20f104708 f20f59c2 f20f11642440 f20f58f0 f20f106710 }
            // n = 7, score = 400
            //   f20f59c1             | mulsd               xmm0, xmm1
            //   f20f58e0             | addsd               xmm4, xmm0
            //   f20f104708           | movsd               xmm0, qword ptr [edi + 8]
            //   f20f59c2             | mulsd               xmm0, xmm2
            //   f20f11642440         | movsd               qword ptr [esp + 0x40], xmm4
            //   f20f58f0             | addsd               xmm6, xmm0
            //   f20f106710           | movsd               xmm4, qword ptr [edi + 0x10]

        $sequence_1 = { e8???????? 8b44241c 894604 eb09 6aff 8bcb e8???????? }
            // n = 7, score = 400
            //   e8????????           |                     
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   894604               | mov                 dword ptr [esi + 4], eax
            //   eb09                 | jmp                 0xb
            //   6aff                 | push                -1
            //   8bcb                 | mov                 ecx, ebx
            //   e8????????           |                     

        $sequence_2 = { f20f105c2424 c7430400000000 8b4d08 83caff 83f91d 7c05 83f928 }
            // n = 7, score = 400
            //   f20f105c2424         | movsd               xmm3, qword ptr [esp + 0x24]
            //   c7430400000000       | mov                 dword ptr [ebx + 4], 0
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   83caff               | or                  edx, 0xffffffff
            //   83f91d               | cmp                 ecx, 0x1d
            //   7c05                 | jl                  7
            //   83f928               | cmp                 ecx, 0x28

        $sequence_3 = { ff9080000000 b001 5f 5e 5b 8be5 5d }
            // n = 7, score = 400
            //   ff9080000000         | call                dword ptr [eax + 0x80]
            //   b001                 | mov                 al, 1
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5b                   | pop                 ebx
            //   8be5                 | mov                 esp, ebp
            //   5d                   | pop                 ebp

        $sequence_4 = { ff7604 03c6 50 e8???????? 8b7764 833e00 7561 }
            // n = 7, score = 400
            //   ff7604               | push                dword ptr [esi + 4]
            //   03c6                 | add                 eax, esi
            //   50                   | push                eax
            //   e8????????           |                     
            //   8b7764               | mov                 esi, dword ptr [edi + 0x64]
            //   833e00               | cmp                 dword ptr [esi], 0
            //   7561                 | jne                 0x63

        $sequence_5 = { ff750c 8d442414 50 e8???????? 8b742410 8b460c 3b4608 }
            // n = 7, score = 400
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   8d442414             | lea                 eax, [esp + 0x14]
            //   50                   | push                eax
            //   e8????????           |                     
            //   8b742410             | mov                 esi, dword ptr [esp + 0x10]
            //   8b460c               | mov                 eax, dword ptr [esi + 0xc]
            //   3b4608               | cmp                 eax, dword ptr [esi + 8]

        $sequence_6 = { 8d44240c 50 57 8bce e8???????? 8b0e 8b10 }
            // n = 7, score = 400
            //   8d44240c             | lea                 eax, [esp + 0xc]
            //   50                   | push                eax
            //   57                   | push                edi
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   8b0e                 | mov                 ecx, dword ptr [esi]
            //   8b10                 | mov                 edx, dword ptr [eax]

        $sequence_7 = { e8???????? 83c404 84c0 7409 b001 5f 5e }
            // n = 7, score = 400
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   84c0                 | test                al, al
            //   7409                 | je                  0xb
            //   b001                 | mov                 al, 1
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi

        $sequence_8 = { ba05000000 b9???????? e8???????? 8bf0 ba0a000000 b9???????? 8974240c }
            // n = 7, score = 400
            //   ba05000000           | mov                 edx, 5
            //   b9????????           |                     
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   ba0a000000           | mov                 edx, 0xa
            //   b9????????           |                     
            //   8974240c             | mov                 dword ptr [esp + 0xc], esi

        $sequence_9 = { e8???????? 8bf0 83caff 85ed 7577 8b0d???????? 85c9 }
            // n = 7, score = 400
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   83caff               | or                  edx, 0xffffffff
            //   85ed                 | test                ebp, ebp
            //   7577                 | jne                 0x79
            //   8b0d????????         |                     
            //   85c9                 | test                ecx, ecx

    condition:
        7 of them and filesize < 18505728
}