rule win_hoplight_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-05-30"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.4.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hoplight"
        malpedia_rule_date = "20200529"
        malpedia_hash = "92c362319514e5a6da26204961446caa3a8b32a8"
        malpedia_version = "20200529"
        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 / approach 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 = { 488b442470 8b80cc000000 488b4c2470 03815c030000 488b4c2470 8981cc000000 }
            // n = 6, score = 100
            //   488b442470           | dec                 eax
            //   8b80cc000000         | mov                 eax, dword ptr [esp + 0x70]
            //   488b4c2470           | mov                 eax, dword ptr [eax + 0xcc]
            //   03815c030000         | dec                 eax
            //   488b4c2470           | mov                 ecx, dword ptr [esp + 0x70]
            //   8981cc000000         | add                 eax, dword ptr [ecx + 0x35c]

        $sequence_1 = { c60002 488b4c2460 e8???????? 89442438 }
            // n = 4, score = 100
            //   c60002               | dec                 eax
            //   488b4c2460           | mov                 edx, dword ptr [esp + 0x38]
            //   e8????????           |                     
            //   89442438             | mov                 dword ptr [edx + ecx*4], eax

        $sequence_2 = { 837c243000 7d0a b80a000000 e9???????? 837c243001 }
            // n = 5, score = 100
            //   837c243000           | mov                 dword ptr [esp + 0x20], eax
            //   7d0a                 | dec                 eax
            //   b80a000000           | arpl                word ptr [esp + 0x2c], ax
            //   e9????????           |                     
            //   837c243001           | dec                 esp

        $sequence_3 = { 750f 488b442460 48ffc0 4889442460 eb0a }
            // n = 5, score = 100
            //   750f                 | inc                 ecx
            //   488b442460           | mov                 eax, 0x100000
            //   48ffc0               | dec                 eax
            //   4889442460           | mov                 ecx, edi
            //   eb0a                 | dec                 eax

        $sequence_4 = { 4889442420 486344242c 4c8bc0 baff000000 488b4c2420 e8???????? 486344242c }
            // n = 7, score = 100
            //   4889442420           | lea                 edx, [esp + 0x60]
            //   486344242c           | mov                 byte ptr [eax], 2
            //   4c8bc0               | dec                 eax
            //   baff000000           | mov                 ecx, dword ptr [esp + 0x60]
            //   488b4c2420           | mov                 dword ptr [esp + 0x38], eax
            //   e8????????           |                     
            //   486344242c           | xor                 edx, edx

        $sequence_5 = { 2bd1 8bca 4863c9 488b542438 89048a 4c8d442450 488d542460 }
            // n = 7, score = 100
            //   2bd1                 | dec                 eax
            //   8bca                 | mov                 ecx, dword ptr [esp + 0x70]
            //   4863c9               | mov                 dword ptr [ecx + 0xcc], eax
            //   488b542438           | sub                 edx, ecx
            //   89048a               | mov                 ecx, edx
            //   4c8d442450           | dec                 eax
            //   488d542460           | arpl                cx, cx

        $sequence_6 = { 89442434 837c243400 7406 8b442434 eb02 33c0 488b4c2470 }
            // n = 7, score = 100
            //   89442434             | mov                 eax, eax
            //   837c243400           | mov                 edx, 0xff
            //   7406                 | dec                 eax
            //   8b442434             | mov                 ecx, dword ptr [esp + 0x20]
            //   eb02                 | dec                 eax
            //   33c0                 | arpl                word ptr [esp + 0x2c], ax
            //   488b4c2470           | jne                 0x30

        $sequence_7 = { 33d2 41b800001000 488bcf e8???????? }
            // n = 4, score = 100
            //   33d2                 | dec                 esp
            //   41b800001000         | lea                 eax, [esp + 0x50]
            //   488bcf               | dec                 eax
            //   e8????????           |                     

    condition:
        7 of them and filesize < 765952
}