rule win_no_justice_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.no_justice."
        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.no_justice"
        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 = { 50 e8???????? 83a670be410000 59 83c604 81fe00020000 72dd }
            // n = 7, score = 100
            //   50                   | push                eax
            //   e8????????           |                     
            //   83a670be410000       | and                 dword ptr [esi + 0x41be70], 0
            //   59                   | pop                 ecx
            //   83c604               | add                 esi, 4
            //   81fe00020000         | cmp                 esi, 0x200
            //   72dd                 | jb                  0xffffffdf

        $sequence_1 = { 8bd7 c1fa06 8934b8 8bc7 83e03f 6bc838 8b049570be4100 }
            // n = 7, score = 100
            //   8bd7                 | mov                 edx, edi
            //   c1fa06               | sar                 edx, 6
            //   8934b8               | mov                 dword ptr [eax + edi*4], esi
            //   8bc7                 | mov                 eax, edi
            //   83e03f               | and                 eax, 0x3f
            //   6bc838               | imul                ecx, eax, 0x38
            //   8b049570be4100       | mov                 eax, dword ptr [edx*4 + 0x41be70]

        $sequence_2 = { 833d????????00 0f84da190000 83ec08 0fae5c2404 }
            // n = 4, score = 100
            //   833d????????00       |                     
            //   0f84da190000         | je                  0x19e0
            //   83ec08               | sub                 esp, 8
            //   0fae5c2404           | stmxcsr             dword ptr [esp + 4]

        $sequence_3 = { 53 56 8d1c8538c24100 8b13 }
            // n = 4, score = 100
            //   53                   | push                ebx
            //   56                   | push                esi
            //   8d1c8538c24100       | lea                 ebx, [eax*4 + 0x41c238]
            //   8b13                 | mov                 edx, dword ptr [ebx]

        $sequence_4 = { 3b0cc5d84e4100 7427 40 83f82d 72f1 }
            // n = 5, score = 100
            //   3b0cc5d84e4100       | cmp                 ecx, dword ptr [eax*8 + 0x414ed8]
            //   7427                 | je                  0x29
            //   40                   | inc                 eax
            //   83f82d               | cmp                 eax, 0x2d
            //   72f1                 | jb                  0xfffffff3

        $sequence_5 = { 8b45b8 0fb600 0fbe8060b74100 40 8945c8 }
            // n = 5, score = 100
            //   8b45b8               | mov                 eax, dword ptr [ebp - 0x48]
            //   0fb600               | movzx               eax, byte ptr [eax]
            //   0fbe8060b74100       | movsx               eax, byte ptr [eax + 0x41b760]
            //   40                   | inc                 eax
            //   8945c8               | mov                 dword ptr [ebp - 0x38], eax

        $sequence_6 = { 83c414 ebe1 8b55ec 8b4de8 8b049570be4100 807c082800 7d55 }
            // n = 7, score = 100
            //   83c414               | add                 esp, 0x14
            //   ebe1                 | jmp                 0xffffffe3
            //   8b55ec               | mov                 edx, dword ptr [ebp - 0x14]
            //   8b4de8               | mov                 ecx, dword ptr [ebp - 0x18]
            //   8b049570be4100       | mov                 eax, dword ptr [edx*4 + 0x41be70]
            //   807c082800           | cmp                 byte ptr [eax + ecx + 0x28], 0
            //   7d55                 | jge                 0x57

        $sequence_7 = { 6bde38 8b04bd70be4100 807c182800 7d46 8b750c }
            // n = 5, score = 100
            //   6bde38               | imul                ebx, esi, 0x38
            //   8b04bd70be4100       | mov                 eax, dword ptr [edi*4 + 0x41be70]
            //   807c182800           | cmp                 byte ptr [eax + ebx + 0x28], 0
            //   7d46                 | jge                 0x48
            //   8b750c               | mov                 esi, dword ptr [ebp + 0xc]

        $sequence_8 = { 8b5d08 8b048570be4100 56 57 }
            // n = 4, score = 100
            //   8b5d08               | mov                 ebx, dword ptr [ebp + 8]
            //   8b048570be4100       | mov                 eax, dword ptr [eax*4 + 0x41be70]
            //   56                   | push                esi
            //   57                   | push                edi

        $sequence_9 = { 8b55ec 8b4de8 8b049570be4100 807c082800 }
            // n = 4, score = 100
            //   8b55ec               | mov                 edx, dword ptr [ebp - 0x14]
            //   8b4de8               | mov                 ecx, dword ptr [ebp - 0x18]
            //   8b049570be4100       | mov                 eax, dword ptr [edx*4 + 0x41be70]
            //   807c082800           | cmp                 byte ptr [eax + ecx + 0x28], 0

    condition:
        7 of them and filesize < 253952
}