rule win_unidentified_095_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        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 = "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 = { 85c0 7428 85db 7524 488d0d9ef60100 e8???????? 85c0 }
            // n = 7, score = 100
            //   85c0                 | mov                 dword ptr [ebp - 0x71], esi
            //   7428                 | cmp                 dword ptr [ebp - 0x71], esi
            //   85db                 | je                  0xa23
            //   7524                 | jmp                 0x5b2
            //   488d0d9ef60100       | dec                 ecx
            //   e8????????           |                     
            //   85c0                 | mov                 edx, ecx

        $sequence_1 = { 4c8d35ed59ffff 4885db 750d 488bc7 498784f6f0430200 eb1e 488bc3 }
            // n = 7, score = 100
            //   4c8d35ed59ffff       | mov                 ecx, 4
            //   4885db               | inc                 ebp
            //   750d                 | xor                 eax, eax
            //   488bc7               | dec                 eax
            //   498784f6f0430200     | mov                 dword ptr [esp + 0x20], eax
            //   eb1e                 | mov                 dword ptr [esp + 0x60], eax
            //   488bc3               | dec                 eax

        $sequence_2 = { 488d0df9350100 ff15???????? 488bf8 4885c0 }
            // n = 4, score = 100
            //   488d0df9350100       | mov                 dword ptr [esp + 0x28], 0x18
            //   ff15????????         |                     
            //   488bf8               | dec                 eax
            //   4885c0               | mov                 dword ptr [esp + 0x30], eax

        $sequence_3 = { 8bd0 488d0d064c0100 e8???????? 41b999010000 e9???????? 488b5597 41b901000000 }
            // n = 7, score = 100
            //   8bd0                 | je                  0x769
            //   488d0d064c0100       | inc                 esp
            //   e8????????           |                     
            //   41b999010000         | mov                 eax, dword ptr [esp + 0x20]
            //   e9????????           |                     
            //   488b5597             | jne                 0x792
            //   41b901000000         | dec                 esp

        $sequence_4 = { 4157 4883ec20 33db 498be8 4c8bf2 891a 4c8bf9 }
            // n = 7, score = 100
            //   4157                 | mov                 ecx, 3
            //   4883ec20             | dec                 esp
            //   33db                 | lea                 eax, [0xea90]
            //   498be8               | dec                 eax
            //   4c8bf2               | lea                 edx, [0xdd41]
            //   891a                 | dec                 eax
            //   4c8bf9               | mov                 ebx, ecx

        $sequence_5 = { 4c8bb42450020000 8bd8 4885ed 7409 488bcd ff15???????? }
            // n = 6, score = 100
            //   4c8bb42450020000     | jmp                 0x7bb
            //   8bd8                 | dec                 eax
            //   4885ed               | mov                 dword ptr [esp + 0x38], 0
            //   7409                 | dec                 eax
            //   488bcd               | lea                 eax, [esp + 0x40]
            //   ff15????????         |                     

        $sequence_6 = { 4c8d0d56ac0000 c5f35cca c4c173590cc1 4c8d0d259c0000 c5f359c1 }
            // n = 5, score = 100
            //   4c8d0d56ac0000       | inc                 esp
            //   c5f35cca             | mov                 eax, dword ptr [esp + 0x20]
            //   c4c173590cc1         | dec                 esp
            //   4c8d0d259c0000       | lea                 ecx, [esp + 0x20]
            //   c5f359c1             | dec                 eax

        $sequence_7 = { 0f84ea020000 ba04010000 488bc8 ff15???????? 85c0 0f84d4020000 ffc8 }
            // n = 7, score = 100
            //   0f84ea020000         | mov                 ebx, eax
            //   ba04010000           | dec                 eax
            //   488bc8               | mov                 ecx, ebx
            //   ff15????????         |                     
            //   85c0                 | dec                 eax
            //   0f84d4020000         | mov                 ecx, eax
            //   ffc8                 | dec                 eax

        $sequence_8 = { c744245004000000 ff15???????? 488b4c2468 8bd8 ff15???????? 85db }
            // n = 6, score = 100
            //   c744245004000000     | je                  0x18c9
            //   ff15????????         |                     
            //   488b4c2468           | dec                 eax
            //   8bd8                 | or                  eax, 0xffffffff
            //   ff15????????         |                     
            //   85db                 | nop                 dword ptr [eax]

        $sequence_9 = { 48833d????????ff 488bd9 7507 e8???????? eb0f 488bd3 488d0d30f50100 }
            // n = 7, score = 100
            //   48833d????????ff     |                     
            //   488bd9               | dec                 eax
            //   7507                 | mov                 eax, edx
            //   e8????????           |                     
            //   eb0f                 | dec                 esp
            //   488bd3               | mov                 edi, edx
            //   488d0d30f50100       | dec                 ebp

    condition:
        7 of them and filesize < 339968
}