rule win_deputydog_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.deputydog."
        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.deputydog"
        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 = { 8a0c11 8808 40 c6003d eb32 83ff02 7532 }
            // n = 7, score = 100
            //   8a0c11               | mov                 cl, byte ptr [ecx + edx]
            //   8808                 | mov                 byte ptr [eax], cl
            //   40                   | inc                 eax
            //   c6003d               | mov                 byte ptr [eax], 0x3d
            //   eb32                 | jmp                 0x34
            //   83ff02               | cmp                 edi, 2
            //   7532                 | jne                 0x34

        $sequence_1 = { 56 8d4de0 c645fc05 ff15???????? 8d45d0 50 }
            // n = 6, score = 100
            //   56                   | push                esi
            //   8d4de0               | lea                 ecx, [ebp - 0x20]
            //   c645fc05             | mov                 byte ptr [ebp - 4], 5
            //   ff15????????         |                     
            //   8d45d0               | lea                 eax, [ebp - 0x30]
            //   50                   | push                eax

        $sequence_2 = { e8???????? 83ec24 894df0 53 8b4d08 33db 56 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83ec24               | sub                 esp, 0x24
            //   894df0               | mov                 dword ptr [ebp - 0x10], ecx
            //   53                   | push                ebx
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   33db                 | xor                 ebx, ebx
            //   56                   | push                esi

        $sequence_3 = { 8d45ec 6a04 50 8d84353af1ffff 50 e8???????? ff75e8 }
            // n = 7, score = 100
            //   8d45ec               | lea                 eax, [ebp - 0x14]
            //   6a04                 | push                4
            //   50                   | push                eax
            //   8d84353af1ffff       | lea                 eax, [ebp + esi - 0xec6]
            //   50                   | push                eax
            //   e8????????           |                     
            //   ff75e8               | push                dword ptr [ebp - 0x18]

        $sequence_4 = { 6a09 8d45f4 57 50 e8???????? 83c40c }
            // n = 6, score = 100
            //   6a09                 | push                9
            //   8d45f4               | lea                 eax, [ebp - 0xc]
            //   57                   | push                edi
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc

        $sequence_5 = { 56 8d4db0 c645fc07 ff15???????? 56 8d4dc0 }
            // n = 6, score = 100
            //   56                   | push                esi
            //   8d4db0               | lea                 ecx, [ebp - 0x50]
            //   c645fc07             | mov                 byte ptr [ebp - 4], 7
            //   ff15????????         |                     
            //   56                   | push                esi
            //   8d4dc0               | lea                 ecx, [ebp - 0x40]

        $sequence_6 = { 68???????? eb05 68???????? 8d85a4fbffff 50 }
            // n = 5, score = 100
            //   68????????           |                     
            //   eb05                 | jmp                 7
            //   68????????           |                     
            //   8d85a4fbffff         | lea                 eax, [ebp - 0x45c]
            //   50                   | push                eax

        $sequence_7 = { 897d08 57 57 57 57 }
            // n = 5, score = 100
            //   897d08               | mov                 dword ptr [ebp + 8], edi
            //   57                   | push                edi
            //   57                   | push                edi
            //   57                   | push                edi
            //   57                   | push                edi

        $sequence_8 = { 8b45dc 3b05???????? 0f8f29040000 8d8d3cffffff e8???????? }
            // n = 5, score = 100
            //   8b45dc               | mov                 eax, dword ptr [ebp - 0x24]
            //   3b05????????         |                     
            //   0f8f29040000         | jg                  0x42f
            //   8d8d3cffffff         | lea                 ecx, [ebp - 0xc4]
            //   e8????????           |                     

        $sequence_9 = { 55 8bec 81ec5c040000 83612400 56 b800280000 57 }
            // n = 7, score = 100
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   81ec5c040000         | sub                 esp, 0x45c
            //   83612400             | and                 dword ptr [ecx + 0x24], 0
            //   56                   | push                esi
            //   b800280000           | mov                 eax, 0x2800
            //   57                   | push                edi

    condition:
        7 of them and filesize < 90112
}