rule win_deeppost_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.deeppost."
        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.deeppost"
        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 = { 0f47d9 85c0 7520 3bda 741c 51 53 }
            // n = 7, score = 100
            //   0f47d9               | cmova               ebx, ecx
            //   85c0                 | test                eax, eax
            //   7520                 | jne                 0x22
            //   3bda                 | cmp                 ebx, edx
            //   741c                 | je                  0x1e
            //   51                   | push                ecx
            //   53                   | push                ebx

        $sequence_1 = { eb02 32c0 88441306 c644130703 8b01 48 83f805 }
            // n = 7, score = 100
            //   eb02                 | jmp                 4
            //   32c0                 | xor                 al, al
            //   88441306             | mov                 byte ptr [ebx + edx + 6], al
            //   c644130703           | mov                 byte ptr [ebx + edx + 7], 3
            //   8b01                 | mov                 eax, dword ptr [ecx]
            //   48                   | dec                 eax
            //   83f805               | cmp                 eax, 5

        $sequence_2 = { f7d8 5f 1bc0 5e 25809dffff 5b 5d }
            // n = 7, score = 100
            //   f7d8                 | neg                 eax
            //   5f                   | pop                 edi
            //   1bc0                 | sbb                 eax, eax
            //   5e                   | pop                 esi
            //   25809dffff           | and                 eax, 0xffff9d80
            //   5b                   | pop                 ebx
            //   5d                   | pop                 ebp

        $sequence_3 = { e8???????? 83c408 85c0 0f84c3010000 c745f0ffffffff 6804010000 53 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   85c0                 | test                eax, eax
            //   0f84c3010000         | je                  0x1c9
            //   c745f0ffffffff       | mov                 dword ptr [ebp - 0x10], 0xffffffff
            //   6804010000           | push                0x104
            //   53                   | push                ebx

        $sequence_4 = { eb0c 80382d 0f45d0 899564ffffff 83bd74ffffff00 7513 68???????? }
            // n = 7, score = 100
            //   eb0c                 | jmp                 0xe
            //   80382d               | cmp                 byte ptr [eax], 0x2d
            //   0f45d0               | cmovne              edx, eax
            //   899564ffffff         | mov                 dword ptr [ebp - 0x9c], edx
            //   83bd74ffffff00       | cmp                 dword ptr [ebp - 0x8c], 0
            //   7513                 | jne                 0x15
            //   68????????           |                     

        $sequence_5 = { 837e0803 751d a801 8b4644 740c c7808801000001000000 eb0a }
            // n = 7, score = 100
            //   837e0803             | cmp                 dword ptr [esi + 8], 3
            //   751d                 | jne                 0x1f
            //   a801                 | test                al, 1
            //   8b4644               | mov                 eax, dword ptr [esi + 0x44]
            //   740c                 | je                  0xe
            //   c7808801000001000000     | mov    dword ptr [eax + 0x188], 1
            //   eb0a                 | jmp                 0xc

        $sequence_6 = { c745e801000000 ff7508 8bda c745ec00000000 ba02000000 c745f000000000 8d4704 }
            // n = 7, score = 100
            //   c745e801000000       | mov                 dword ptr [ebp - 0x18], 1
            //   ff7508               | push                dword ptr [ebp + 8]
            //   8bda                 | mov                 ebx, edx
            //   c745ec00000000       | mov                 dword ptr [ebp - 0x14], 0
            //   ba02000000           | mov                 edx, 2
            //   c745f000000000       | mov                 dword ptr [ebp - 0x10], 0
            //   8d4704               | lea                 eax, [edi + 4]

        $sequence_7 = { b80081ffff 5f 5e c3 ffb6d4000000 6a01 e8???????? }
            // n = 7, score = 100
            //   b80081ffff           | mov                 eax, 0xffff8100
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   c3                   | ret                 
            //   ffb6d4000000         | push                dword ptr [esi + 0xd4]
            //   6a01                 | push                1
            //   e8????????           |                     

        $sequence_8 = { ff75f8 e8???????? 83c408 84c0 75c8 8b4704 8bd3 }
            // n = 7, score = 100
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   84c0                 | test                al, al
            //   75c8                 | jne                 0xffffffca
            //   8b4704               | mov                 eax, dword ptr [edi + 4]
            //   8bd3                 | mov                 edx, ebx

        $sequence_9 = { ffb6d4000000 8b4644 ffb6cc000000 56 8b8048030000 ffd0 83c40c }
            // n = 7, score = 100
            //   ffb6d4000000         | push                dword ptr [esi + 0xd4]
            //   8b4644               | mov                 eax, dword ptr [esi + 0x44]
            //   ffb6cc000000         | push                dword ptr [esi + 0xcc]
            //   56                   | push                esi
            //   8b8048030000         | mov                 eax, dword ptr [eax + 0x348]
            //   ffd0                 | call                eax
            //   83c40c               | add                 esp, 0xc

    condition:
        7 of them and filesize < 1332224
}