rule win_rawpos_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.rawpos."
        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.rawpos"
        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 = { e8???????? 83c414 8945e0 833e00 0f85fa010000 }
            // n = 5, score = 100
            //   e8????????           |                     
            //   83c414               | add                 esp, 0x14
            //   8945e0               | mov                 dword ptr [ebp - 0x20], eax
            //   833e00               | cmp                 dword ptr [esi], 0
            //   0f85fa010000         | jne                 0x200

        $sequence_1 = { 837dc400 750a 8b4dc0 ff45c0 8819 eb44 66a1???????? }
            // n = 7, score = 100
            //   837dc400             | cmp                 dword ptr [ebp - 0x3c], 0
            //   750a                 | jne                 0xc
            //   8b4dc0               | mov                 ecx, dword ptr [ebp - 0x40]
            //   ff45c0               | inc                 dword ptr [ebp - 0x40]
            //   8819                 | mov                 byte ptr [ecx], bl
            //   eb44                 | jmp                 0x46
            //   66a1????????         |                     

        $sequence_2 = { 7e0e 8a9502ffffff 8b4dc0 ff45c0 }
            // n = 4, score = 100
            //   7e0e                 | jle                 0x10
            //   8a9502ffffff         | mov                 dl, byte ptr [ebp - 0xfe]
            //   8b4dc0               | mov                 ecx, dword ptr [ebp - 0x40]
            //   ff45c0               | inc                 dword ptr [ebp - 0x40]

        $sequence_3 = { 23f2 23da 3bde 740d 837d1400 752b 33db }
            // n = 7, score = 100
            //   23f2                 | and                 esi, edx
            //   23da                 | and                 ebx, edx
            //   3bde                 | cmp                 ebx, esi
            //   740d                 | je                  0xf
            //   837d1400             | cmp                 dword ptr [ebp + 0x14], 0
            //   752b                 | jne                 0x2d
            //   33db                 | xor                 ebx, ebx

        $sequence_4 = { ff45ec 8b55ec 3b55f4 7ce2 3b758c 722e 8b4d20 }
            // n = 7, score = 100
            //   ff45ec               | inc                 dword ptr [ebp - 0x14]
            //   8b55ec               | mov                 edx, dword ptr [ebp - 0x14]
            //   3b55f4               | cmp                 edx, dword ptr [ebp - 0xc]
            //   7ce2                 | jl                  0xffffffe4
            //   3b758c               | cmp                 esi, dword ptr [ebp - 0x74]
            //   722e                 | jb                  0x30
            //   8b4d20               | mov                 ecx, dword ptr [ebp + 0x20]

        $sequence_5 = { ff15???????? 59 837dbc00 7404 33c0 eb0a 8b45d8 }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   59                   | pop                 ecx
            //   837dbc00             | cmp                 dword ptr [ebp - 0x44], 0
            //   7404                 | je                  6
            //   33c0                 | xor                 eax, eax
            //   eb0a                 | jmp                 0xc
            //   8b45d8               | mov                 eax, dword ptr [ebp - 0x28]

        $sequence_6 = { 33c9 8a08 f6813523430004 742c 83fa02 7c1b 6a00 }
            // n = 7, score = 100
            //   33c9                 | xor                 ecx, ecx
            //   8a08                 | mov                 cl, byte ptr [eax]
            //   f6813523430004       | test                byte ptr [ecx + 0x432335], 4
            //   742c                 | je                  0x2e
            //   83fa02               | cmp                 edx, 2
            //   7c1b                 | jl                  0x1d
            //   6a00                 | push                0

        $sequence_7 = { 55 8bec 83c4f8 53 56 8b4510 8b5d08 }
            // n = 7, score = 100
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   83c4f8               | add                 esp, -8
            //   53                   | push                ebx
            //   56                   | push                esi
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   8b5d08               | mov                 ebx, dword ptr [ebp + 8]

        $sequence_8 = { 53 8b4510 83c6ff 50 57 52 e8???????? }
            // n = 7, score = 100
            //   53                   | push                ebx
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   83c6ff               | add                 esi, -1
            //   50                   | push                eax
            //   57                   | push                edi
            //   52                   | push                edx
            //   e8????????           |                     

        $sequence_9 = { 7508 33d2 8955c8 ff45e0 837dc800 7503 47 }
            // n = 7, score = 100
            //   7508                 | jne                 0xa
            //   33d2                 | xor                 edx, edx
            //   8955c8               | mov                 dword ptr [ebp - 0x38], edx
            //   ff45e0               | inc                 dword ptr [ebp - 0x20]
            //   837dc800             | cmp                 dword ptr [ebp - 0x38], 0
            //   7503                 | jne                 5
            //   47                   | inc                 edi

    condition:
        7 of them and filesize < 466944
}