rule win_hoplight_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-04-08"
        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 = "20220405"
        malpedia_hash = "ecd38294bd47d5589be5cd5490dc8bb4804afc2a"
        malpedia_version = "20220411"
        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 = { 03442440 488b4c2430 3b81acaf0100 7615 }
            // n = 4, score = 100
            //   03442440             | dec                 eax
            //   488b4c2430           | mov                 dword ptr [esp + 0x24], eax
            //   3b81acaf0100         | add                 eax, dword ptr [esp + 0x40]
            //   7615                 | dec                 eax

        $sequence_1 = { 488bf8 4883feff 0f84d1000000 4883f8ff }
            // n = 4, score = 100
            //   488bf8               | or                  eax, 0xfffffbc0
            //   4883feff             | jmp                 0xd
            //   0f84d1000000         | dec                 eax
            //   4883f8ff             | mov                 dword ptr [esp + 0x20], eax

        $sequence_2 = { 4889442420 41b924000000 4533c0 33d2 }
            // n = 4, score = 100
            //   4889442420           | mov                 eax, dword ptr [esp + 0xe0]
            //   41b924000000         | mov                 dword ptr [eax], 0
            //   4533c0               | je                  0xd
            //   33d2                 | mov                 eax, dword ptr [esp + 0x44]

        $sequence_3 = { 8b442424 ffc8 89442424 e9???????? }
            // n = 4, score = 100
            //   8b442424             | mov                 eax, dword ptr [esp + 0x70]
            //   ffc8                 | mov                 eax, dword ptr [eax + 0x6afb8]
            //   89442424             | mov                 eax, dword ptr [esp + 0x24]
            //   e9????????           |                     

        $sequence_4 = { 740b 8b442444 0dc0fbffff eb02 }
            // n = 4, score = 100
            //   740b                 | xor                 eax, esp
            //   8b442444             | dec                 eax
            //   0dc0fbffff           | mov                 dword ptr [esp + 0xa8], eax
            //   eb02                 | dec                 eax

        $sequence_5 = { 488bc1 4889442420 c744242c00000000 eb0a }
            // n = 4, score = 100
            //   488bc1               | inc                 ecx
            //   4889442420           | mov                 ecx, 0x24
            //   c744242c00000000     | inc                 ebp
            //   eb0a                 | xor                 eax, eax

        $sequence_6 = { 4839442430 0f826cfeffff 488b442470 8b80b8af0600 }
            // n = 4, score = 100
            //   4839442430           | dec                 eax
            //   0f826cfeffff         | cmp                 dword ptr [esp + 0x30], eax
            //   488b442470           | jb                  0xfffffe72
            //   8b80b8af0600         | dec                 eax

        $sequence_7 = { 4833c4 48898424a8000000 488b8424e0000000 c70000000000 }
            // n = 4, score = 100
            //   4833c4               | mov                 ecx, dword ptr [esp + 0x30]
            //   48898424a8000000     | cmp                 eax, dword ptr [ecx + 0x1afac]
            //   488b8424e0000000     | jbe                 0x17
            //   c70000000000         | dec                 eax

    condition:
        7 of them and filesize < 765952
}