rule win_laziok_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.laziok."
        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.laziok"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { ff7610 ff15???????? 56 6a00 }
            // n = 4, score = 900
            //   ff7610               | push                dword ptr [esi + 0x10]
            //   ff15????????         |                     
            //   56                   | push                esi
            //   6a00                 | push                0

        $sequence_1 = { 8937 7502 8bf7 5f 8bc6 5e }
            // n = 6, score = 900
            //   8937                 | mov                 dword ptr [edi], esi
            //   7502                 | jne                 4
            //   8bf7                 | mov                 esi, edi
            //   5f                   | pop                 edi
            //   8bc6                 | mov                 eax, esi
            //   5e                   | pop                 esi

        $sequence_2 = { ff742410 ff15???????? 8bf0 85f6 740b }
            // n = 5, score = 900
            //   ff742410             | push                dword ptr [esp + 0x10]
            //   ff15????????         |                     
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi
            //   740b                 | je                  0xd

        $sequence_3 = { eb11 8b460c 85c0 751a }
            // n = 4, score = 900
            //   eb11                 | jmp                 0x13
            //   8b460c               | mov                 eax, dword ptr [esi + 0xc]
            //   85c0                 | test                eax, eax
            //   751a                 | jne                 0x1c

        $sequence_4 = { 8b7508 833e01 7513 6a00 ff7510 ff750c ff7608 }
            // n = 7, score = 900
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   833e01               | cmp                 dword ptr [esi], 1
            //   7513                 | jne                 0x15
            //   6a00                 | push                0
            //   ff7510               | push                dword ptr [ebp + 0x10]
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   ff7608               | push                dword ptr [esi + 8]

        $sequence_5 = { e8???????? 8b54241c 8d4c2404 e8???????? }
            // n = 4, score = 900
            //   e8????????           |                     
            //   8b54241c             | mov                 edx, dword ptr [esp + 0x1c]
            //   8d4c2404             | lea                 ecx, [esp + 4]
            //   e8????????           |                     

        $sequence_6 = { 33f6 e8???????? 59 59 85c0 740a }
            // n = 6, score = 900
            //   33f6                 | xor                 esi, esi
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   59                   | pop                 ecx
            //   85c0                 | test                eax, eax
            //   740a                 | je                  0xc

        $sequence_7 = { 83f901 7d07 b901000000 eb07 3bc8 7e03 }
            // n = 6, score = 900
            //   83f901               | cmp                 ecx, 1
            //   7d07                 | jge                 9
            //   b901000000           | mov                 ecx, 1
            //   eb07                 | jmp                 9
            //   3bc8                 | cmp                 ecx, eax
            //   7e03                 | jle                 5

    condition:
        7 of them and filesize < 688128
}