rule win_cuegoe_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.cuegoe."
        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.cuegoe"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { 8bce d3e3 895520 2bdf 23c3 89442428 e9???????? }
            // n = 7, score = 200
            //   8bce                 | mov                 ecx, esi
            //   d3e3                 | shl                 ebx, cl
            //   895520               | mov                 dword ptr [ebp + 0x20], edx
            //   2bdf                 | sub                 ebx, edi
            //   23c3                 | and                 eax, ebx
            //   89442428             | mov                 dword ptr [esp + 0x28], eax
            //   e9????????           |                     

        $sequence_1 = { 897db0 897db4 e8???????? 59 397d94 7409 ff7594 }
            // n = 7, score = 200
            //   897db0               | mov                 dword ptr [ebp - 0x50], edi
            //   897db4               | mov                 dword ptr [ebp - 0x4c], edi
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   397d94               | cmp                 dword ptr [ebp - 0x6c], edi
            //   7409                 | je                  0xb
            //   ff7594               | push                dword ptr [ebp - 0x6c]

        $sequence_2 = { 8d44243c c644247802 e8???????? 33f6 c644247801 39742460 740a }
            // n = 7, score = 200
            //   8d44243c             | lea                 eax, [esp + 0x3c]
            //   c644247802           | mov                 byte ptr [esp + 0x78], 2
            //   e8????????           |                     
            //   33f6                 | xor                 esi, esi
            //   c644247801           | mov                 byte ptr [esp + 0x78], 1
            //   39742460             | cmp                 dword ptr [esp + 0x60], esi
            //   740a                 | je                  0xc

        $sequence_3 = { c645fc0c e8???????? 53 6a01 8db58c000000 c645fc0b e8???????? }
            // n = 7, score = 200
            //   c645fc0c             | mov                 byte ptr [ebp - 4], 0xc
            //   e8????????           |                     
            //   53                   | push                ebx
            //   6a01                 | push                1
            //   8db58c000000         | lea                 esi, [ebp + 0x8c]
            //   c645fc0b             | mov                 byte ptr [ebp - 4], 0xb
            //   e8????????           |                     

        $sequence_4 = { 6a00 53 8d4d08 e8???????? 6a00 53 }
            // n = 6, score = 200
            //   6a00                 | push                0
            //   53                   | push                ebx
            //   8d4d08               | lea                 ecx, [ebp + 8]
            //   e8????????           |                     
            //   6a00                 | push                0
            //   53                   | push                ebx

        $sequence_5 = { 83c424 c3 5f 5e 5d b001 5b }
            // n = 7, score = 200
            //   83c424               | add                 esp, 0x24
            //   c3                   | ret                 
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5d                   | pop                 ebp
            //   b001                 | mov                 al, 1
            //   5b                   | pop                 ebx

        $sequence_6 = { 6639459c 774b 8bc6 e8???????? 0fb74d9c 0fb7c0 83c109 }
            // n = 7, score = 200
            //   6639459c             | cmp                 word ptr [ebp - 0x64], ax
            //   774b                 | ja                  0x4d
            //   8bc6                 | mov                 eax, esi
            //   e8????????           |                     
            //   0fb74d9c             | movzx               ecx, word ptr [ebp - 0x64]
            //   0fb7c0               | movzx               eax, ax
            //   83c109               | add                 ecx, 9

        $sequence_7 = { 8b4004 8b443828 897de0 85c0 7408 }
            // n = 5, score = 200
            //   8b4004               | mov                 eax, dword ptr [eax + 4]
            //   8b443828             | mov                 eax, dword ptr [eax + edi + 0x28]
            //   897de0               | mov                 dword ptr [ebp - 0x20], edi
            //   85c0                 | test                eax, eax
            //   7408                 | je                  0xa

        $sequence_8 = { 8d442418 6a40 50 e8???????? 83c410 50 }
            // n = 6, score = 200
            //   8d442418             | lea                 eax, [esp + 0x18]
            //   6a40                 | push                0x40
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c410               | add                 esp, 0x10
            //   50                   | push                eax

        $sequence_9 = { e8???????? 8b30 8b7804 8d45e0 8bcb e8???????? 57 }
            // n = 7, score = 200
            //   e8????????           |                     
            //   8b30                 | mov                 esi, dword ptr [eax]
            //   8b7804               | mov                 edi, dword ptr [eax + 4]
            //   8d45e0               | lea                 eax, [ebp - 0x20]
            //   8bcb                 | mov                 ecx, ebx
            //   e8????????           |                     
            //   57                   | push                edi

    condition:
        7 of them and filesize < 540672
}