rule win_prestige_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.prestige."
        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.prestige"
        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 = { eb6e 8b4508 c60004 ebe9 8b4508 8a0cb2 c60005 }
            // n = 7, score = 100
            //   eb6e                 | jmp                 0x70
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   c60004               | mov                 byte ptr [eax], 4
            //   ebe9                 | jmp                 0xffffffeb
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8a0cb2               | mov                 cl, byte ptr [edx + esi*4]
            //   c60005               | mov                 byte ptr [eax], 5

        $sequence_1 = { 6a06 5e eb14 7504 8bf0 eb0e ba40420f00 }
            // n = 7, score = 100
            //   6a06                 | push                6
            //   5e                   | pop                 esi
            //   eb14                 | jmp                 0x16
            //   7504                 | jne                 6
            //   8bf0                 | mov                 esi, eax
            //   eb0e                 | jmp                 0x10
            //   ba40420f00           | mov                 edx, 0xf4240

        $sequence_2 = { 90 6a08 c745d804ce4600 c745e0ffffff3f c745e402000000 e8???????? 83c404 }
            // n = 7, score = 100
            //   90                   | nop                 
            //   6a08                 | push                8
            //   c745d804ce4600       | mov                 dword ptr [ebp - 0x28], 0x46ce04
            //   c745e0ffffff3f       | mov                 dword ptr [ebp - 0x20], 0x3fffffff
            //   c745e402000000       | mov                 dword ptr [ebp - 0x1c], 2
            //   e8????????           |                     
            //   83c404               | add                 esp, 4

        $sequence_3 = { e8???????? c3 53 8bdc 51 51 83e4f8 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   c3                   | ret                 
            //   53                   | push                ebx
            //   8bdc                 | mov                 ebx, esp
            //   51                   | push                ecx
            //   51                   | push                ecx
            //   83e4f8               | and                 esp, 0xfffffff8

        $sequence_4 = { 743d ff75dc 8b75d8 56 e8???????? 59 59 }
            // n = 7, score = 100
            //   743d                 | je                  0x3f
            //   ff75dc               | push                dword ptr [ebp - 0x24]
            //   8b75d8               | mov                 esi, dword ptr [ebp - 0x28]
            //   56                   | push                esi
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   59                   | pop                 ecx

        $sequence_5 = { c745dc01000000 8b0485480a4b00 8945d4 0f8533010000 8b55d4 8bc3 }
            // n = 6, score = 100
            //   c745dc01000000       | mov                 dword ptr [ebp - 0x24], 1
            //   8b0485480a4b00       | mov                 eax, dword ptr [eax*4 + 0x4b0a48]
            //   8945d4               | mov                 dword ptr [ebp - 0x2c], eax
            //   0f8533010000         | jne                 0x139
            //   8b55d4               | mov                 edx, dword ptr [ebp - 0x2c]
            //   8bc3                 | mov                 eax, ebx

        $sequence_6 = { 8975fc f7430400080000 741c 8d45f0 c745f0982b4700 50 8d4df8 }
            // n = 7, score = 100
            //   8975fc               | mov                 dword ptr [ebp - 4], esi
            //   f7430400080000       | test                dword ptr [ebx + 4], 0x800
            //   741c                 | je                  0x1e
            //   8d45f0               | lea                 eax, [ebp - 0x10]
            //   c745f0982b4700       | mov                 dword ptr [ebp - 0x10], 0x472b98
            //   50                   | push                eax
            //   8d4df8               | lea                 ecx, [ebp - 8]

        $sequence_7 = { 8bce c645fc01 03cf 897d0c 8b12 68???????? 13c0 }
            // n = 7, score = 100
            //   8bce                 | mov                 ecx, esi
            //   c645fc01             | mov                 byte ptr [ebp - 4], 1
            //   03cf                 | add                 ecx, edi
            //   897d0c               | mov                 dword ptr [ebp + 0xc], edi
            //   8b12                 | mov                 edx, dword ptr [edx]
            //   68????????           |                     
            //   13c0                 | adc                 eax, eax

        $sequence_8 = { 55 8bec 83ec44 53 56 8bf1 8955f4 }
            // n = 7, score = 100
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   83ec44               | sub                 esp, 0x44
            //   53                   | push                ebx
            //   56                   | push                esi
            //   8bf1                 | mov                 esi, ecx
            //   8955f4               | mov                 dword ptr [ebp - 0xc], edx

        $sequence_9 = { 8b8590feffff 6a03 51 51 51 8d4da0 51 }
            // n = 7, score = 100
            //   8b8590feffff         | mov                 eax, dword ptr [ebp - 0x170]
            //   6a03                 | push                3
            //   51                   | push                ecx
            //   51                   | push                ecx
            //   51                   | push                ecx
            //   8d4da0               | lea                 ecx, [ebp - 0x60]
            //   51                   | push                ecx

    condition:
        7 of them and filesize < 1518592
}