rule win_unidentified_080_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.unidentified_080."
        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_080"
        malpedia_rule_date = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        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 = { 8d3c85c0a20210 8bf3 83e61f c1e606 8b07 0fbe443004 83e001 }
            // n = 7, score = 100
            //   8d3c85c0a20210       | lea                 edi, [eax*4 + 0x1002a2c0]
            //   8bf3                 | mov                 esi, ebx
            //   83e61f               | and                 esi, 0x1f
            //   c1e606               | shl                 esi, 6
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   0fbe443004           | movsx               eax, byte ptr [eax + esi + 4]
            //   83e001               | and                 eax, 1

        $sequence_1 = { 8975f0 e8???????? 85c0 0f848a000000 8b5dec 8975d8 8975dc }
            // n = 7, score = 100
            //   8975f0               | mov                 dword ptr [ebp - 0x10], esi
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   0f848a000000         | je                  0x90
            //   8b5dec               | mov                 ebx, dword ptr [ebp - 0x14]
            //   8975d8               | mov                 dword ptr [ebp - 0x28], esi
            //   8975dc               | mov                 dword ptr [ebp - 0x24], esi

        $sequence_2 = { 8b37 83c6f4 837e0400 743e 833e00 7c2a }
            // n = 6, score = 100
            //   8b37                 | mov                 esi, dword ptr [edi]
            //   83c6f4               | add                 esi, -0xc
            //   837e0400             | cmp                 dword ptr [esi + 4], 0
            //   743e                 | je                  0x40
            //   833e00               | cmp                 dword ptr [esi], 0
            //   7c2a                 | jl                  0x2c

        $sequence_3 = { 895c2434 895c2438 c744241c28290210 8b4c244c 53 8d9424a4000000 52 }
            // n = 7, score = 100
            //   895c2434             | mov                 dword ptr [esp + 0x34], ebx
            //   895c2438             | mov                 dword ptr [esp + 0x38], ebx
            //   c744241c28290210     | mov                 dword ptr [esp + 0x1c], 0x10022928
            //   8b4c244c             | mov                 ecx, dword ptr [esp + 0x4c]
            //   53                   | push                ebx
            //   8d9424a4000000       | lea                 edx, [esp + 0xa4]
            //   52                   | push                edx

        $sequence_4 = { 56 ff15???????? 89859cfdffff 83f8ff 7532 83c6f4 81fe???????? }
            // n = 7, score = 100
            //   56                   | push                esi
            //   ff15????????         |                     
            //   89859cfdffff         | mov                 dword ptr [ebp - 0x264], eax
            //   83f8ff               | cmp                 eax, -1
            //   7532                 | jne                 0x34
            //   83c6f4               | add                 esi, -0xc
            //   81fe????????         |                     

        $sequence_5 = { 85c0 742d 33c9 c70001000000 897004 897008 66894c700c }
            // n = 7, score = 100
            //   85c0                 | test                eax, eax
            //   742d                 | je                  0x2f
            //   33c9                 | xor                 ecx, ecx
            //   c70001000000         | mov                 dword ptr [eax], 1
            //   897004               | mov                 dword ptr [eax + 4], esi
            //   897008               | mov                 dword ptr [eax + 8], esi
            //   66894c700c           | mov                 word ptr [eax + esi*2 + 0xc], cx

        $sequence_6 = { e8???????? 33c9 83c424 3bc3 0f94c1 8bf1 eb1a }
            // n = 7, score = 100
            //   e8????????           |                     
            //   33c9                 | xor                 ecx, ecx
            //   83c424               | add                 esp, 0x24
            //   3bc3                 | cmp                 eax, ebx
            //   0f94c1               | sete                cl
            //   8bf1                 | mov                 esi, ecx
            //   eb1a                 | jmp                 0x1c

        $sequence_7 = { 894f08 c7442438ffffffff 8b44241c 33db 3bc3 740f }
            // n = 6, score = 100
            //   894f08               | mov                 dword ptr [edi + 8], ecx
            //   c7442438ffffffff     | mov                 dword ptr [esp + 0x38], 0xffffffff
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   33db                 | xor                 ebx, ebx
            //   3bc3                 | cmp                 eax, ebx
            //   740f                 | je                  0x11

        $sequence_8 = { 8bec 83ec10 53 8bd8 ff4320 56 33f6 }
            // n = 7, score = 100
            //   8bec                 | mov                 ebp, esp
            //   83ec10               | sub                 esp, 0x10
            //   53                   | push                ebx
            //   8bd8                 | mov                 ebx, eax
            //   ff4320               | inc                 dword ptr [ebx + 0x20]
            //   56                   | push                esi
            //   33f6                 | xor                 esi, esi

        $sequence_9 = { 0fb77448fe 33c9 83fe5c 0f94c1 3bcb 7516 }
            // n = 6, score = 100
            //   0fb77448fe           | movzx               esi, word ptr [eax + ecx*2 - 2]
            //   33c9                 | xor                 ecx, ecx
            //   83fe5c               | cmp                 esi, 0x5c
            //   0f94c1               | sete                cl
            //   3bcb                 | cmp                 ecx, ebx
            //   7516                 | jne                 0x18

    condition:
        7 of them and filesize < 392192
}