rule win_warlock_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.warlock."
        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.warlock"
        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 = { 8b44241c 11542418 f7e0 03f0 8b442420 11542418 f7e1 }
            // n = 7, score = 100
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   11542418             | adc                 dword ptr [esp + 0x18], edx
            //   f7e0                 | mul                 eax
            //   03f0                 | add                 esi, eax
            //   8b442420             | mov                 eax, dword ptr [esp + 0x20]
            //   11542418             | adc                 dword ptr [esp + 0x18], edx
            //   f7e1                 | mul                 ecx

        $sequence_1 = { 897ddc 8a08 80f940 750c 40 898680000000 e9???????? }
            // n = 7, score = 100
            //   897ddc               | mov                 dword ptr [ebp - 0x24], edi
            //   8a08                 | mov                 cl, byte ptr [eax]
            //   80f940               | cmp                 cl, 0x40
            //   750c                 | jne                 0xe
            //   40                   | inc                 eax
            //   898680000000         | mov                 dword ptr [esi + 0x80], eax
            //   e9????????           |                     

        $sequence_2 = { 57 50 e8???????? 83c40c 6b45e430 8945dc 8d8000ba4900 }
            // n = 7, score = 100
            //   57                   | push                edi
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   6b45e430             | imul                eax, dword ptr [ebp - 0x1c], 0x30
            //   8945dc               | mov                 dword ptr [ebp - 0x24], eax
            //   8d8000ba4900         | lea                 eax, [eax + 0x49ba00]

        $sequence_3 = { 13d7 8b4014 03da f76104 8bc8 8b442418 03ce }
            // n = 7, score = 100
            //   13d7                 | adc                 edx, edi
            //   8b4014               | mov                 eax, dword ptr [eax + 0x14]
            //   03da                 | add                 ebx, edx
            //   f76104               | mul                 dword ptr [ecx + 4]
            //   8bc8                 | mov                 ecx, eax
            //   8b442418             | mov                 eax, dword ptr [esp + 0x18]
            //   03ce                 | add                 ecx, esi

        $sequence_4 = { 66c1e108 660bc8 8b4598 8808 8d043e 50 ff759c }
            // n = 7, score = 100
            //   66c1e108             | shl                 cx, 8
            //   660bc8               | or                  cx, ax
            //   8b4598               | mov                 eax, dword ptr [ebp - 0x68]
            //   8808                 | mov                 byte ptr [eax], cl
            //   8d043e               | lea                 eax, [esi + edi]
            //   50                   | push                eax
            //   ff759c               | push                dword ptr [ebp - 0x64]

        $sequence_5 = { 8b8424f4000000 03842494000000 898424d4010000 8b84248c010000 03842498000000 898424d8010000 8b442434 }
            // n = 7, score = 100
            //   8b8424f4000000       | mov                 eax, dword ptr [esp + 0xf4]
            //   03842494000000       | add                 eax, dword ptr [esp + 0x94]
            //   898424d4010000       | mov                 dword ptr [esp + 0x1d4], eax
            //   8b84248c010000       | mov                 eax, dword ptr [esp + 0x18c]
            //   03842498000000       | add                 eax, dword ptr [esp + 0x98]
            //   898424d8010000       | mov                 dword ptr [esp + 0x1d8], eax
            //   8b442434             | mov                 eax, dword ptr [esp + 0x34]

        $sequence_6 = { e8???????? 80bd2fffffff00 7455 8bcb e8???????? 8b07 8d4d90 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   80bd2fffffff00       | cmp                 byte ptr [ebp - 0xd1], 0
            //   7455                 | je                  0x57
            //   8bcb                 | mov                 ecx, ebx
            //   e8????????           |                     
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   8d4d90               | lea                 ecx, [ebp - 0x70]

        $sequence_7 = { ff15???????? 8b4dfc ffd6 c60000 eb03 c60700 8a07 }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   ffd6                 | call                esi
            //   c60000               | mov                 byte ptr [eax], 0
            //   eb03                 | jmp                 5
            //   c60700               | mov                 byte ptr [edi], 0
            //   8a07                 | mov                 al, byte ptr [edi]

        $sequence_8 = { 8b442410 13fa f7642454 03e8 8b842484000000 13fa f7e0 }
            // n = 7, score = 100
            //   8b442410             | mov                 eax, dword ptr [esp + 0x10]
            //   13fa                 | adc                 edi, edx
            //   f7642454             | mul                 dword ptr [esp + 0x54]
            //   03e8                 | add                 ebp, eax
            //   8b842484000000       | mov                 eax, dword ptr [esp + 0x84]
            //   13fa                 | adc                 edi, edx
            //   f7e0                 | mul                 eax

        $sequence_9 = { c640043e eb02 33c0 50 8d4df0 e8???????? 8b7df0 }
            // n = 7, score = 100
            //   c640043e             | mov                 byte ptr [eax + 4], 0x3e
            //   eb02                 | jmp                 4
            //   33c0                 | xor                 eax, eax
            //   50                   | push                eax
            //   8d4df0               | lea                 ecx, [ebp - 0x10]
            //   e8????????           |                     
            //   8b7df0               | mov                 edi, dword ptr [ebp - 0x10]

    condition:
        7 of them and filesize < 1395712
}