rule win_unidentified_095_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.unidentified_095."
        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_095"
        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 = { 458bc1 0fb705???????? 498bd5 66894108 488b4d97 e8???????? }
            // n = 6, score = 100
            //   458bc1               | add                 ecx, eax
            //   0fb705????????       |                     
            //   498bd5               | dec                 eax
            //   66894108             | lea                 ecx, [ecx*2 + 0x14]
            //   488b4d97             | inc                 cx
            //   e8????????           |                     

        $sequence_1 = { ff15???????? 8bf8 4d85e4 7409 498bcc ff15???????? 488b4d97 }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   8bf8                 | dec                 ecx
            //   4d85e4               | mov                 ecx, esi
            //   7409                 | test                eax, eax
            //   498bcc               | je                  0xb4a
            //   ff15????????         |                     
            //   488b4d97             | inc                 ebp

        $sequence_2 = { 7419 4c8d442420 ba01000000 488bcb ff15???????? 85c0 }
            // n = 6, score = 100
            //   7419                 | dec                 eax
            //   4c8d442420           | mov                 ebp, ecx
            //   ba01000000           | test                edx, edx
            //   488bcb               | je                  0x2c9
            //   ff15????????         |                     
            //   85c0                 | xor                 edi, edi

        $sequence_3 = { 488b88f8000000 488b01 8a08 880a 0fb68c2490000000 4c8d0555c40000 4803da }
            // n = 7, score = 100
            //   488b88f8000000       | mov                 edx, ecx
            //   488b01               | nop                 dword ptr [eax]
            //   8a08                 | nop                 dword ptr [eax + eax]
            //   880a                 | inc                 esp
            //   0fb68c2490000000     | movzx               eax, word ptr [eax]
            //   4c8d0555c40000       | inc                 bp
            //   4803da               | mov                 dword ptr [ecx + eax], eax

        $sequence_4 = { 482bd7 4a0fbeb43820390200 8d4e01 4863c1 483bc2 0f8fe4010000 83f904 }
            // n = 7, score = 100
            //   482bd7               | dec                 eax
            //   4a0fbeb43820390200     | mov    dword ptr [esp + 0x30], ebx
            //   8d4e01               | dec                 eax
            //   4863c1               | mov                 ecx, eax
            //   483bc2               | dec                 eax
            //   0f8fe4010000         | lea                 edx, [0x13951]
            //   83f904               | dec                 eax

        $sequence_5 = { 0f8371ffffff 440f284c2440 440f28442450 0f287c2460 0f28742470 4c8bce 33d2 }
            // n = 7, score = 100
            //   0f8371ffffff         | dec                 esp
            //   440f284c2440         | lea                 ecx, [esp + 0x58]
            //   440f28442450         | dec                 eax
            //   0f287c2460           | lea                 eax, [esp + 0x60]
            //   0f28742470           | dec                 eax
            //   4c8bce               | mov                 dword ptr [esp + 0x40], ebx
            //   33d2                 | dec                 eax

        $sequence_6 = { 488d0dc2f30100 e8???????? 488b442428 488905???????? 488d442428 4883c008 488905???????? }
            // n = 7, score = 100
            //   488d0dc2f30100       | mov                 dword ptr [esp + 0x30], edi
            //   e8????????           |                     
            //   488b442428           | inc                 esp
            //   488905????????       |                     
            //   488d442428           | mov                 edi, edx
            //   4883c008             | mov                 ebx, ebp
            //   488905????????       |                     

        $sequence_7 = { 0f84ea020000 ba04010000 488bc8 ff15???????? 85c0 0f84d4020000 ffc8 }
            // n = 7, score = 100
            //   0f84ea020000         | mov                 ecx, edi
            //   ba04010000           | dec                 eax
            //   488bc8               | mov                 ebp, dword ptr [esp + 0x50]
            //   ff15????????         |                     
            //   85c0                 | mov                 ebx, eax
            //   0f84d4020000         | je                  0x151b
            //   ffc8                 | dec                 eax

        $sequence_8 = { 894c2428 488d156a4f0100 4889442420 e8???????? e9???????? 89758f e9???????? }
            // n = 7, score = 100
            //   894c2428             | mov                 eax, edi
            //   488d156a4f0100       | dec                 eax
            //   4889442420           | lea                 ecx, [eax + 0x18]
            //   e8????????           |                     
            //   e9????????           |                     
            //   89758f               | dec                 ebp
            //   e9????????           |                     

        $sequence_9 = { e8???????? 4881c458080000 c3 ff15???????? 8bd0 488d4c2430 e8???????? }
            // n = 7, score = 100
            //   e8????????           |                     
            //   4881c458080000       | dec                 esp
            //   c3                   | mov                 dword ptr [eax - 0x30], ebp
            //   ff15????????         |                     
            //   8bd0                 | inc                 esp
            //   488d4c2430           | mov                 esp, ebp
            //   e8????????           |                     

    condition:
        7 of them and filesize < 339968
}