rule win_unidentified_068_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.unidentified_068."
        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.unidentified_068"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { 7510 3bf3 750c 8365b000 33f6 46 e9???????? }
            // n = 7, score = 100
            //   7510                 | jne                 0x12
            //   3bf3                 | cmp                 esi, ebx
            //   750c                 | jne                 0xe
            //   8365b000             | and                 dword ptr [ebp - 0x50], 0
            //   33f6                 | xor                 esi, esi
            //   46                   | inc                 esi
            //   e9????????           |                     

        $sequence_1 = { 3b01 7511 47 83c104 3bfa 72f1 b001 }
            // n = 7, score = 100
            //   3b01                 | cmp                 eax, dword ptr [ecx]
            //   7511                 | jne                 0x13
            //   47                   | inc                 edi
            //   83c104               | add                 ecx, 4
            //   3bfa                 | cmp                 edi, edx
            //   72f1                 | jb                  0xfffffff3
            //   b001                 | mov                 al, 1

        $sequence_2 = { 51 ff7718 8b02 52 ff500c 8b5508 8bd8 }
            // n = 7, score = 100
            //   51                   | push                ecx
            //   ff7718               | push                dword ptr [edi + 0x18]
            //   8b02                 | mov                 eax, dword ptr [edx]
            //   52                   | push                edx
            //   ff500c               | call                dword ptr [eax + 0xc]
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   8bd8                 | mov                 ebx, eax

        $sequence_3 = { 334808 8bc1 894df8 c1e810 0fb6c8 8bc2 }
            // n = 6, score = 100
            //   334808               | xor                 ecx, dword ptr [eax + 8]
            //   8bc1                 | mov                 eax, ecx
            //   894df8               | mov                 dword ptr [ebp - 8], ecx
            //   c1e810               | shr                 eax, 0x10
            //   0fb6c8               | movzx               ecx, al
            //   8bc2                 | mov                 eax, edx

        $sequence_4 = { 8b04bd18c94500 807c302900 7504 32c0 eb1a }
            // n = 5, score = 100
            //   8b04bd18c94500       | mov                 eax, dword ptr [edi*4 + 0x45c918]
            //   807c302900           | cmp                 byte ptr [eax + esi + 0x29], 0
            //   7504                 | jne                 6
            //   32c0                 | xor                 al, al
            //   eb1a                 | jmp                 0x1c

        $sequence_5 = { 5d c20c00 55 8bec 8b4d08 8b810c010000 40 }
            // n = 7, score = 100
            //   5d                   | pop                 ebp
            //   c20c00               | ret                 0xc
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   8b810c010000         | mov                 eax, dword ptr [ecx + 0x10c]
            //   40                   | inc                 eax

        $sequence_6 = { 7670 8b7dd0 8b45ac 8b04b0 8b00 89450c 3bdf }
            // n = 7, score = 100
            //   7670                 | jbe                 0x72
            //   8b7dd0               | mov                 edi, dword ptr [ebp - 0x30]
            //   8b45ac               | mov                 eax, dword ptr [ebp - 0x54]
            //   8b04b0               | mov                 eax, dword ptr [eax + esi*4]
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   89450c               | mov                 dword ptr [ebp + 0xc], eax
            //   3bdf                 | cmp                 ebx, edi

        $sequence_7 = { e9???????? 55 8bec 51 68c8000000 e8???????? 59 }
            // n = 7, score = 100
            //   e9????????           |                     
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   51                   | push                ecx
            //   68c8000000           | push                0xc8
            //   e8????????           |                     
            //   59                   | pop                 ecx

        $sequence_8 = { 6a00 6a01 8d4dcc e8???????? 46 3bf7 72ab }
            // n = 7, score = 100
            //   6a00                 | push                0
            //   6a01                 | push                1
            //   8d4dcc               | lea                 ecx, [ebp - 0x34]
            //   e8????????           |                     
            //   46                   | inc                 esi
            //   3bf7                 | cmp                 esi, edi
            //   72ab                 | jb                  0xffffffad

        $sequence_9 = { 56 8bf1 e8???????? 83f8ff 741b a810 7517 }
            // n = 7, score = 100
            //   56                   | push                esi
            //   8bf1                 | mov                 esi, ecx
            //   e8????????           |                     
            //   83f8ff               | cmp                 eax, -1
            //   741b                 | je                  0x1d
            //   a810                 | test                al, 0x10
            //   7517                 | jne                 0x19

    condition:
        7 of them and filesize < 862208
}