rule win_hoplight_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.hoplight."
        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.hoplight"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { 488b8c2480000000 488b8948030000 833c8100 0f8482000000 }
            // n = 4, score = 100
            //   488b8c2480000000     | dec                 eax
            //   488b8948030000       | mov                 ecx, dword ptr [esp + 0x80]
            //   833c8100             | dec                 eax
            //   0f8482000000         | mov                 ecx, dword ptr [ecx + 0x348]

        $sequence_1 = { 7433 4863842414040000 8b848420040000 8b8c2444040000 }
            // n = 4, score = 100
            //   7433                 | call                dword ptr [esp + 0x58]
            //   4863842414040000     | mov                 byte ptr [esp + 0x28], 0x4b
            //   8b848420040000       | inc                 ecx
            //   8b8c2444040000       | mov                 eax, 1

        $sequence_2 = { 7529 48630424 488b4c2420 0fb6840134190000 }
            // n = 4, score = 100
            //   7529                 | movzx               ecx, al
            //   48630424             | mov                 eax, dword ptr [esp + 0x48]
            //   488b4c2420           | dec                 eax
            //   0fb6840134190000     | mov                 ecx, dword ptr [esp + 0x60]

        $sequence_3 = { 0fb6493f c1e118 0bc1 8944245c }
            // n = 4, score = 100
            //   0fb6493f             | xor                 ecx, esp
            //   c1e118               | dec                 eax
            //   0bc1                 | mov                 ebx, dword ptr [esp + 0x2060]
            //   8944245c             | dec                 eax

        $sequence_4 = { 488b4c2438 894114 488b442438 4883c020 }
            // n = 4, score = 100
            //   488b4c2438           | jne                 0x2b
            //   894114               | dec                 eax
            //   488b442438           | arpl                word ptr [esp], ax
            //   4883c020             | dec                 eax

        $sequence_5 = { 03c8 8bc1 99 b9ff000000 }
            // n = 4, score = 100
            //   03c8                 | arpl                word ptr [esp + 0x414], ax
            //   8bc1                 | mov                 eax, dword ptr [esp + eax*4 + 0x420]
            //   99                   | mov                 ecx, dword ptr [esp + 0x444]
            //   b9ff000000           | dec                 eax

        $sequence_6 = { 488b4008 0fb64008 83f802 7c1a }
            // n = 4, score = 100
            //   488b4008             | mov                 ecx, dword ptr [esp + 0x20]
            //   0fb64008             | movzx               eax, byte ptr [ecx + eax + 0x1934]
            //   83f802               | je                  0x35
            //   7c1a                 | dec                 eax

        $sequence_7 = { 4833cc e8???????? 488b9c2460200000 4881c440200000 }
            // n = 4, score = 100
            //   4833cc               | cmp                 dword ptr [ecx + eax*4], 0
            //   e8????????           |                     
            //   488b9c2460200000     | je                  0x88
            //   4881c440200000       | dec                 eax

    condition:
        7 of them and filesize < 765952
}