rule win_quiterat_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.quiterat."
        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.quiterat"
        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 = { ffb6cc000000 e8???????? 83c40c 8b0f 8b01 85c0 7411 }
            // n = 7, score = 100
            //   ffb6cc000000         | push                dword ptr [esi + 0xcc]
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8b0f                 | mov                 ecx, dword ptr [edi]
            //   8b01                 | mov                 eax, dword ptr [ecx]
            //   85c0                 | test                eax, eax
            //   7411                 | je                  0x13

        $sequence_1 = { e8???????? 8b7c2414 8b07 85c0 7417 83f8ff 7438 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   8b7c2414             | mov                 edi, dword ptr [esp + 0x14]
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   85c0                 | test                eax, eax
            //   7417                 | je                  0x19
            //   83f8ff               | cmp                 eax, -1
            //   7438                 | je                  0x3a

        $sequence_2 = { ff5048 8b44241c 83cfff 83780400 7528 8b442414 a801 }
            // n = 7, score = 100
            //   ff5048               | call                dword ptr [eax + 0x48]
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   83cfff               | or                  edi, 0xffffffff
            //   83780400             | cmp                 dword ptr [eax + 4], 0
            //   7528                 | jne                 0x2a
            //   8b442414             | mov                 eax, dword ptr [esp + 0x14]
            //   a801                 | test                al, 1

        $sequence_3 = { e8???????? 68???????? 50 8d45ac c645fc34 50 e8???????? }
            // n = 7, score = 100
            //   e8????????           |                     
            //   68????????           |                     
            //   50                   | push                eax
            //   8d45ac               | lea                 eax, [ebp - 0x54]
            //   c645fc34             | mov                 byte ptr [ebp - 4], 0x34
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_4 = { e8???????? 8b44240c 8b08 85c9 7415 83f9ff 7419 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   8b44240c             | mov                 eax, dword ptr [esp + 0xc]
            //   8b08                 | mov                 ecx, dword ptr [eax]
            //   85c9                 | test                ecx, ecx
            //   7415                 | je                  0x17
            //   83f9ff               | cmp                 ecx, -1
            //   7419                 | je                  0x1b

        $sequence_5 = { e8???????? 807c241800 0f84cf000000 68de000000 8d44241c 50 8d4c2410 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   807c241800           | cmp                 byte ptr [esp + 0x18], 0
            //   0f84cf000000         | je                  0xd5
            //   68de000000           | push                0xde
            //   8d44241c             | lea                 eax, [esp + 0x1c]
            //   50                   | push                eax
            //   8d4c2410             | lea                 ecx, [esp + 0x10]

        $sequence_6 = { 8b44242c 8944241c 8b442430 89442420 f30f7f442428 f30f6f442418 f30f7f442438 }
            // n = 7, score = 100
            //   8b44242c             | mov                 eax, dword ptr [esp + 0x2c]
            //   8944241c             | mov                 dword ptr [esp + 0x1c], eax
            //   8b442430             | mov                 eax, dword ptr [esp + 0x30]
            //   89442420             | mov                 dword ptr [esp + 0x20], eax
            //   f30f7f442428         | movdqu              xmmword ptr [esp + 0x28], xmm0
            //   f30f6f442418         | movdqu              xmm0, xmmword ptr [esp + 0x18]
            //   f30f7f442438         | movdqu              xmmword ptr [esp + 0x38], xmm0

        $sequence_7 = { e8???????? 85c0 8d4c2408 0f94c3 e8???????? 8b4670 84db }
            // n = 7, score = 100
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   8d4c2408             | lea                 ecx, [esp + 8]
            //   0f94c3               | sete                bl
            //   e8????????           |                     
            //   8b4670               | mov                 eax, dword ptr [esi + 0x70]
            //   84db                 | test                bl, bl

        $sequence_8 = { e8???????? 56 e8???????? 83c404 57 e8???????? 8b442420 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   56                   | push                esi
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   57                   | push                edi
            //   e8????????           |                     
            //   8b442420             | mov                 eax, dword ptr [esp + 0x20]

        $sequence_9 = { eb02 32c9 8b550c 884def 85d2 0f84c2010000 8b4708 }
            // n = 7, score = 100
            //   eb02                 | jmp                 4
            //   32c9                 | xor                 cl, cl
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   884def               | mov                 byte ptr [ebp - 0x11], cl
            //   85d2                 | test                edx, edx
            //   0f84c2010000         | je                  0x1c8
            //   8b4708               | mov                 eax, dword ptr [edi + 8]

    condition:
        7 of them and filesize < 5892096
}