rule win_deepdata_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.deepdata."
        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.deepdata"
        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 = { 833d????????00 751d 68???????? ff15???????? 50 ff15???????? }
            // n = 6, score = 600
            //   833d????????00       |                     
            //   751d                 | jne                 0x1f
            //   68????????           |                     
            //   ff15????????         |                     
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_1 = { 837d0800 7502 eb10 8b4508 a3???????? }
            // n = 5, score = 500
            //   837d0800             | cmp                 dword ptr [ebp + 8], 0
            //   7502                 | jne                 4
            //   eb10                 | jmp                 0x12
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   a3????????           |                     

        $sequence_2 = { 83d000 50 51 8bce e8???????? }
            // n = 5, score = 500
            //   83d000               | adc                 eax, 0
            //   50                   | push                eax
            //   51                   | push                ecx
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     

        $sequence_3 = { b001 5d c3 8ac1 }
            // n = 4, score = 500
            //   b001                 | mov                 al, 1
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   8ac1                 | mov                 al, cl

        $sequence_4 = { 8bd0 8bce e8???????? 83c408 5f }
            // n = 5, score = 500
            //   8bd0                 | mov                 edx, eax
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   5f                   | pop                 edi

        $sequence_5 = { 55 8bec 8b4508 32c9 85c0 }
            // n = 5, score = 500
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   32c9                 | xor                 cl, cl
            //   85c0                 | test                eax, eax

        $sequence_6 = { 8b8c245c010000 8bc6 5f 5e }
            // n = 4, score = 400
            //   8b8c245c010000       | mov                 ecx, dword ptr [esp + 0x15c]
            //   8bc6                 | mov                 eax, esi
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi

        $sequence_7 = { 85c0 740a 50 ff15???????? 83c404 8b8c245c010000 }
            // n = 6, score = 400
            //   85c0                 | test                eax, eax
            //   740a                 | je                  0xc
            //   50                   | push                eax
            //   ff15????????         |                     
            //   83c404               | add                 esp, 4
            //   8b8c245c010000       | mov                 ecx, dword ptr [esp + 0x15c]

        $sequence_8 = { 50 8bce e8???????? 8b4dfc 8bc6 5b 5f }
            // n = 7, score = 400
            //   50                   | push                eax
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   8bc6                 | mov                 eax, esi
            //   5b                   | pop                 ebx
            //   5f                   | pop                 edi

        $sequence_9 = { 50 57 ffd3 85c0 75da }
            // n = 5, score = 400
            //   50                   | push                eax
            //   57                   | push                edi
            //   ffd3                 | call                ebx
            //   85c0                 | test                eax, eax
            //   75da                 | jne                 0xffffffdc

        $sequence_10 = { 57 8bf9 8d7704 8bce c707???????? 8b06 ff7004 }
            // n = 7, score = 400
            //   57                   | push                edi
            //   8bf9                 | mov                 edi, ecx
            //   8d7704               | lea                 esi, [edi + 4]
            //   8bce                 | mov                 ecx, esi
            //   c707????????         |                     
            //   8b06                 | mov                 eax, dword ptr [esi]
            //   ff7004               | push                dword ptr [eax + 4]

        $sequence_11 = { 7760 8bc2 51 50 e8???????? 83c408 c7463000000000 }
            // n = 7, score = 400
            //   7760                 | ja                  0x62
            //   8bc2                 | mov                 eax, edx
            //   51                   | push                ecx
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   c7463000000000       | mov                 dword ptr [esi + 0x30], 0

        $sequence_12 = { e8???????? 81e3fbff0000 f20f1106 83cb08 }
            // n = 4, score = 400
            //   e8????????           |                     
            //   81e3fbff0000         | and                 ebx, 0xfffb
            //   f20f1106             | movsd               qword ptr [esi], xmm0
            //   83cb08               | or                  ebx, 8

        $sequence_13 = { c7855cffffff00000000 c78560ffffff00000000 c78564ffffff00000000 c78568ffffff00000000 c7856cffffff00000000 c78550ffffff00000000 c7458800000000 }
            // n = 7, score = 400
            //   c7855cffffff00000000     | mov    dword ptr [ebp - 0xa4], 0
            //   c78560ffffff00000000     | mov    dword ptr [ebp - 0xa0], 0
            //   c78564ffffff00000000     | mov    dword ptr [ebp - 0x9c], 0
            //   c78568ffffff00000000     | mov    dword ptr [ebp - 0x98], 0
            //   c7856cffffff00000000     | mov    dword ptr [ebp - 0x94], 0
            //   c78550ffffff00000000     | mov    dword ptr [ebp - 0xb0], 0
            //   c7458800000000       | mov                 dword ptr [ebp - 0x78], 0

        $sequence_14 = { 8bc7 5f 5e 5b 8b4c2448 33cc e8???????? }
            // n = 7, score = 400
            //   8bc7                 | mov                 eax, edi
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5b                   | pop                 ebx
            //   8b4c2448             | mov                 ecx, dword ptr [esp + 0x48]
            //   33cc                 | xor                 ecx, esp
            //   e8????????           |                     

        $sequence_15 = { 83c40c c785c4fbffff2c020000 6a00 6a02 }
            // n = 4, score = 400
            //   83c40c               | add                 esp, 0xc
            //   c785c4fbffff2c020000     | mov    dword ptr [ebp - 0x43c], 0x22c
            //   6a00                 | push                0
            //   6a02                 | push                2

        $sequence_16 = { ff36 e8???????? 83c408 c707???????? f6450801 740b 6a0c }
            // n = 7, score = 400
            //   ff36                 | push                dword ptr [esi]
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   c707????????         |                     
            //   f6450801             | test                byte ptr [ebp + 8], 1
            //   740b                 | je                  0xd
            //   6a0c                 | push                0xc

        $sequence_17 = { 83c40c b001 5f 5b }
            // n = 4, score = 300
            //   83c40c               | add                 esp, 0xc
            //   b001                 | mov                 al, 1
            //   5f                   | pop                 edi
            //   5b                   | pop                 ebx

        $sequence_18 = { 7549 837df401 7543 68???????? }
            // n = 4, score = 300
            //   7549                 | jne                 0x4b
            //   837df401             | cmp                 dword ptr [ebp - 0xc], 1
            //   7543                 | jne                 0x45
            //   68????????           |                     

        $sequence_19 = { 833800 7452 8b4dec e8???????? 8b00 50 }
            // n = 6, score = 300
            //   833800               | cmp                 dword ptr [eax], 0
            //   7452                 | je                  0x54
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   e8????????           |                     
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   50                   | push                eax

        $sequence_20 = { 13cb 85c0 7504 85c9 7467 }
            // n = 5, score = 300
            //   13cb                 | adc                 ecx, ebx
            //   85c0                 | test                eax, eax
            //   7504                 | jne                 6
            //   85c9                 | test                ecx, ecx
            //   7467                 | je                  0x69

        $sequence_21 = { 50 e8???????? 83c404 394508 7321 8b4dfc }
            // n = 6, score = 300
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   394508               | cmp                 dword ptr [ebp + 8], eax
            //   7321                 | jae                 0x23
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]

        $sequence_22 = { 83c40c 83c118 6a08 50 }
            // n = 4, score = 300
            //   83c40c               | add                 esp, 0xc
            //   83c118               | add                 ecx, 0x18
            //   6a08                 | push                8
            //   50                   | push                eax

        $sequence_23 = { a1???????? 33c5 8945fc c745f400000000 8b4508 }
            // n = 5, score = 300
            //   a1????????           |                     
            //   33c5                 | xor                 eax, ebp
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   c745f400000000       | mov                 dword ptr [ebp - 0xc], 0
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]

        $sequence_24 = { 8945e8 c745fc00000000 8b4de8 51 8b4dec e8???????? 8b10 }
            // n = 7, score = 300
            //   8945e8               | mov                 dword ptr [ebp - 0x18], eax
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0
            //   8b4de8               | mov                 ecx, dword ptr [ebp - 0x18]
            //   51                   | push                ecx
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   e8????????           |                     
            //   8b10                 | mov                 edx, dword ptr [eax]

        $sequence_25 = { 6a00 ff7514 ff75c8 ff75c0 }
            // n = 4, score = 300
            //   6a00                 | push                0
            //   ff7514               | push                dword ptr [ebp + 0x14]
            //   ff75c8               | push                dword ptr [ebp - 0x38]
            //   ff75c0               | push                dword ptr [ebp - 0x40]

        $sequence_26 = { 83c00c 6a00 50 e8???????? 84c0 }
            // n = 5, score = 300
            //   83c00c               | add                 eax, 0xc
            //   6a00                 | push                0
            //   50                   | push                eax
            //   e8????????           |                     
            //   84c0                 | test                al, al

        $sequence_27 = { e8???????? 0fb6c8 85c9 7415 8b4528 50 8b4d24 }
            // n = 7, score = 300
            //   e8????????           |                     
            //   0fb6c8               | movzx               ecx, al
            //   85c9                 | test                ecx, ecx
            //   7415                 | je                  0x17
            //   8b4528               | mov                 eax, dword ptr [ebp + 0x28]
            //   50                   | push                eax
            //   8b4d24               | mov                 ecx, dword ptr [ebp + 0x24]

        $sequence_28 = { 8b450c 50 8b4d08 e8???????? 50 8b4dec e8???????? }
            // n = 7, score = 300
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   50                   | push                eax
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   e8????????           |                     
            //   50                   | push                eax
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   e8????????           |                     

        $sequence_29 = { 898508ffffff c645fc02 83ec0c 8bcc 89a514ffffff }
            // n = 5, score = 300
            //   898508ffffff         | mov                 dword ptr [ebp - 0xf8], eax
            //   c645fc02             | mov                 byte ptr [ebp - 4], 2
            //   83ec0c               | sub                 esp, 0xc
            //   8bcc                 | mov                 ecx, esp
            //   89a514ffffff         | mov                 dword ptr [ebp - 0xec], esp

        $sequence_30 = { 50 8b4d10 8b11 ffd2 }
            // n = 4, score = 300
            //   50                   | push                eax
            //   8b4d10               | mov                 ecx, dword ptr [ebp + 0x10]
            //   8b11                 | mov                 edx, dword ptr [ecx]
            //   ffd2                 | call                edx

        $sequence_31 = { 8945e4 8b4dec e8???????? 833800 7452 8b4dec }
            // n = 6, score = 300
            //   8945e4               | mov                 dword ptr [ebp - 0x1c], eax
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   e8????????           |                     
            //   833800               | cmp                 dword ptr [eax], 0
            //   7452                 | je                  0x54
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]

        $sequence_32 = { 6a01 a1???????? 8b4858 ffd1 }
            // n = 4, score = 300
            //   6a01                 | push                1
            //   a1????????           |                     
            //   8b4858               | mov                 ecx, dword ptr [eax + 0x58]
            //   ffd1                 | call                ecx

        $sequence_33 = { 8b0e 3b08 750a 6a01 8b4dfc e8???????? 8b4dfc }
            // n = 7, score = 300
            //   8b0e                 | mov                 ecx, dword ptr [esi]
            //   3b08                 | cmp                 ecx, dword ptr [eax]
            //   750a                 | jne                 0xc
            //   6a01                 | push                1
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   e8????????           |                     
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]

        $sequence_34 = { 8b00 50 8b4dfc e8???????? 8bc8 e8???????? }
            // n = 6, score = 300
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   50                   | push                eax
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   e8????????           |                     
            //   8bc8                 | mov                 ecx, eax
            //   e8????????           |                     

        $sequence_35 = { 833800 0f8484000000 8b4dfc e8???????? }
            // n = 4, score = 300
            //   833800               | cmp                 dword ptr [eax], 0
            //   0f8484000000         | je                  0x8a
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   e8????????           |                     

        $sequence_36 = { 8b4510 8945fc 8b4d08 894df8 8b550c 8955f4 837dfc00 }
            // n = 7, score = 300
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   894df8               | mov                 dword ptr [ebp - 8], ecx
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   8955f4               | mov                 dword ptr [ebp - 0xc], edx
            //   837dfc00             | cmp                 dword ptr [ebp - 4], 0

    condition:
        7 of them and filesize < 33134592
}