rule win_hoplight_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hoplight"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { 89416c 8b442438 448bc0 488b542458 488b442450 8b4870 }
            // n = 6, score = 100
            //   89416c               | mov                 dword ptr [esp + 0x30], eax
            //   8b442438             | dec                 eax
            //   448bc0               | lea                 eax, [ebp - 0x40]
            //   488b542458           | inc                 ebp
            //   488b442450           | xor                 eax, eax
            //   8b4870               | mov                 dword ptr [ecx + 0x6c], eax

        $sequence_1 = { 4863842414040000 8b848420040000 8b8c2444040000 03c8 8bc1 }
            // n = 5, score = 100
            //   4863842414040000     | dec                 eax
            //   8b848420040000       | arpl                word ptr [esp + 0x414], ax
            //   8b8c2444040000       | mov                 eax, dword ptr [esp + eax*4 + 0x420]
            //   03c8                 | mov                 ecx, dword ptr [esp + 0x444]
            //   8bc1                 | add                 ecx, eax

        $sequence_2 = { 4889442430 41b930000000 4c8d442428 488b542430 488d4c2420 }
            // n = 5, score = 100
            //   4889442430           | inc                 ebp
            //   41b930000000         | xor                 ecx, ecx
            //   4c8d442428           | dec                 esp
            //   488b542430           | mov                 eax, dword ptr [esp + 0x298]
            //   488d4c2420           | dec                 eax

        $sequence_3 = { 3981a4000000 740a b80060ffff e9???????? 8b442424 }
            // n = 5, score = 100
            //   3981a4000000         | mov                 eax, ecx
            //   740a                 | cmp                 dword ptr [ecx + 0xa4], eax
            //   b80060ffff           | je                  0xc
            //   e9????????           |                     
            //   8b442424             | mov                 eax, 0xffff6000

        $sequence_4 = { 8b442420 3944241c 730d c784243c01000001000000 eb0b }
            // n = 5, score = 100
            //   8b442420             | mov                 eax, dword ptr [esp + 0x20]
            //   3944241c             | cmp                 dword ptr [esp + 0x1c], eax
            //   730d                 | jae                 0xf
            //   c784243c01000001000000     | mov    dword ptr [esp + 0x13c], 1
            //   eb0b                 | jmp                 0xd

        $sequence_5 = { 7438 c744242002000000 4533c9 4c8b842498020000 488b542430 }
            // n = 5, score = 100
            //   7438                 | mov                 ecx, dword ptr [eax + 0x70]
            //   c744242002000000     | mov                 ecx, dword ptr [esp + 0x60]
            //   4533c9               | shr                 ecx, 2
            //   4c8b842498020000     | or                  eax, ecx
            //   488b542430           | mov                 dword ptr [esp + 0x60], eax

        $sequence_6 = { 8b4c2460 c1e902 0bc1 89442460 8b442454 c1e005 8b4c2454 }
            // n = 7, score = 100
            //   8b4c2460             | mov                 eax, dword ptr [esp + 0x38]
            //   c1e902               | inc                 esp
            //   0bc1                 | mov                 eax, eax
            //   89442460             | dec                 eax
            //   8b442454             | mov                 edx, dword ptr [esp + 0x58]
            //   c1e005               | dec                 eax
            //   8b4c2454             | mov                 eax, dword ptr [esp + 0x50]

        $sequence_7 = { 4533c9 4889442430 488d45c0 4533c0 }
            // n = 4, score = 100
            //   4533c9               | mov                 eax, dword ptr [esp + 0x24]
            //   4889442430           | inc                 ebp
            //   488d45c0             | xor                 ecx, ecx
            //   4533c0               | dec                 eax

    condition:
        7 of them and filesize < 765952
}