rule win_rawpos_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        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 = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        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 = { 7503 47 eb03 83c705 8b4de0 8079013f 0f8560feffff }
            // n = 7, score = 100
            //   7503                 | jne                 5
            //   47                   | inc                 edi
            //   eb03                 | jmp                 5
            //   83c705               | add                 edi, 5
            //   8b4de0               | mov                 ecx, dword ptr [ebp - 0x20]
            //   8079013f             | cmp                 byte ptr [ecx + 1], 0x3f
            //   0f8560feffff         | jne                 0xfffffe66

        $sequence_1 = { 0fbec3 83e07f 80b874f5420001 740e ff4df0 8b55f0 85d2 }
            // n = 7, score = 100
            //   0fbec3               | movsx               eax, bl
            //   83e07f               | and                 eax, 0x7f
            //   80b874f5420001       | cmp                 byte ptr [eax + 0x42f574], 1
            //   740e                 | je                  0x10
            //   ff4df0               | dec                 dword ptr [ebp - 0x10]
            //   8b55f0               | mov                 edx, dword ptr [ebp - 0x10]
            //   85d2                 | test                edx, edx

        $sequence_2 = { 8bd3 83fa58 7f18 7440 83ea29 744d 83ea04 }
            // n = 7, score = 100
            //   8bd3                 | mov                 edx, ebx
            //   83fa58               | cmp                 edx, 0x58
            //   7f18                 | jg                  0x1a
            //   7440                 | je                  0x42
            //   83ea29               | sub                 edx, 0x29
            //   744d                 | je                  0x4f
            //   83ea04               | sub                 edx, 4

        $sequence_3 = { 803f22 0f94c2 83e201 83c703 8955e4 }
            // n = 5, score = 100
            //   803f22               | cmp                 byte ptr [edi], 0x22
            //   0f94c2               | sete                dl
            //   83e201               | and                 edx, 1
            //   83c703               | add                 edi, 3
            //   8955e4               | mov                 dword ptr [ebp - 0x1c], edx

        $sequence_4 = { 59 8945e0 837de0ff 8bd8 0f848b070000 f6c380 }
            // n = 6, score = 100
            //   59                   | pop                 ecx
            //   8945e0               | mov                 dword ptr [ebp - 0x20], eax
            //   837de0ff             | cmp                 dword ptr [ebp - 0x20], -1
            //   8bd8                 | mov                 ebx, eax
            //   0f848b070000         | je                  0x791
            //   f6c380               | test                bl, 0x80

        $sequence_5 = { 55 8bec 53 8b5d08 6a00 6a00 6a00 }
            // n = 7, score = 100
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   53                   | push                ebx
            //   8b5d08               | mov                 ebx, dword ptr [ebp + 8]
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0

        $sequence_6 = { 33d2 53 56 57 8b7514 33ff }
            // n = 6, score = 100
            //   33d2                 | xor                 edx, edx
            //   53                   | push                ebx
            //   56                   | push                esi
            //   57                   | push                edi
            //   8b7514               | mov                 esi, dword ptr [ebp + 0x14]
            //   33ff                 | xor                 edi, edi

        $sequence_7 = { 833c9000 7d08 8b4b2c 2bce 41 eb13 8b4304 }
            // n = 7, score = 100
            //   833c9000             | cmp                 dword ptr [eax + edx*4], 0
            //   7d08                 | jge                 0xa
            //   8b4b2c               | mov                 ecx, dword ptr [ebx + 0x2c]
            //   2bce                 | sub                 ecx, esi
            //   41                   | inc                 ecx
            //   eb13                 | jmp                 0x15
            //   8b4304               | mov                 eax, dword ptr [ebx + 4]

        $sequence_8 = { 53 56 8b5510 8b4d0c 8b4508 8a18 80eb0c }
            // n = 7, score = 100
            //   53                   | push                ebx
            //   56                   | push                esi
            //   8b5510               | mov                 edx, dword ptr [ebp + 0x10]
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8a18                 | mov                 bl, byte ptr [eax]
            //   80eb0c               | sub                 bl, 0xc

        $sequence_9 = { 0f85c4fdffff ff45e0 e9???????? 8b55f0 83c203 03fa e9???????? }
            // n = 7, score = 100
            //   0f85c4fdffff         | jne                 0xfffffdca
            //   ff45e0               | inc                 dword ptr [ebp - 0x20]
            //   e9????????           |                     
            //   8b55f0               | mov                 edx, dword ptr [ebp - 0x10]
            //   83c203               | add                 edx, 3
            //   03fa                 | add                 edi, edx
            //   e9????????           |                     

    condition:
        7 of them and filesize < 466944
}