rule win_hoplight_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-06-10"
        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 = "20210604"
        malpedia_hash = "be09d5d71e77373c0f538068be31a2ad4c69cfbd"
        malpedia_version = "20210616"
        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 = { 7405 e9???????? 488d542420 488d4c2448 }
            // n = 4, score = 100
            //   7405                 | mov                 edi, 1
            //   e9????????           |                     
            //   488d542420           | dec                 eax
            //   488d4c2448           | mov                 ebx, ecx

        $sequence_1 = { 57 4883ec30 bf01000000 488bd9 }
            // n = 4, score = 100
            //   57                   | cmp                 dword ptr [esp], 1
            //   4883ec30             | jle                 0x10
            //   bf01000000           | mov                 dword ptr [esp + 0x10], 0
            //   488bd9               | jmp                 0x12

        $sequence_2 = { 488b842418020000 8b00 c1e810 89442418 }
            // n = 4, score = 100
            //   488b842418020000     | xor                 ecx, eax
            //   8b00                 | mov                 eax, ecx
            //   c1e810               | mov                 ecx, dword ptr [esp + 0x60]
            //   89442418             | dec                 eax

        $sequence_3 = { 488b8c24a8000000 488b4930 0fb60401 48634c2458 }
            // n = 4, score = 100
            //   488b8c24a8000000     | dec                 eax
            //   488b4930             | mov                 ecx, dword ptr [esp + 0xa8]
            //   0fb60401             | dec                 eax
            //   48634c2458           | mov                 ecx, dword ptr [ecx + 0x30]

        $sequence_4 = { 4883ec38 488d1582590300 488b4c2440 e8???????? }
            // n = 4, score = 100
            //   4883ec38             | push                edi
            //   488d1582590300       | dec                 eax
            //   488b4c2440           | sub                 esp, 0x30
            //   e8????????           |                     

        $sequence_5 = { 8b0c24 33c8 8bc1 8b4c2460 }
            // n = 4, score = 100
            //   8b0c24               | movzx               eax, byte ptr [ecx + eax]
            //   33c8                 | dec                 eax
            //   8bc1                 | arpl                word ptr [esp + 0x58], cx
            //   8b4c2460             | mov                 ecx, dword ptr [esp]

        $sequence_6 = { 833c2401 7e0a c744241000000000 eb08 }
            // n = 4, score = 100
            //   833c2401             | mov                 eax, dword ptr [esp + 0x218]
            //   7e0a                 | mov                 eax, dword ptr [eax]
            //   c744241000000000     | shr                 eax, 0x10
            //   eb08                 | mov                 dword ptr [esp + 0x18], eax

        $sequence_7 = { 4c8bc2 488d542430 488d4c2430 e8???????? }
            // n = 4, score = 100
            //   4c8bc2               | dec                 eax
            //   488d542430           | sub                 esp, 0x38
            //   488d4c2430           | dec                 eax
            //   e8????????           |                     

    condition:
        7 of them and filesize < 765952
}