rule win_deeppost_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        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 = "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 = { a818 7507 8bce e8???????? 8b4dfc 5f 5e }
            // n = 7, score = 100
            //   a818                 | test                al, 0x18
            //   7507                 | jne                 9
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi

        $sequence_1 = { a1???????? 660f57c0 31e8 89842418040000 660f29842400040000 660f298424f0030000 660f298424e0030000 }
            // n = 7, score = 100
            //   a1????????           |                     
            //   660f57c0             | xorpd               xmm0, xmm0
            //   31e8                 | xor                 eax, ebp
            //   89842418040000       | mov                 dword ptr [esp + 0x418], eax
            //   660f29842400040000     | movapd    xmmword ptr [esp + 0x400], xmm0
            //   660f298424f0030000     | movapd    xmmword ptr [esp + 0x3f0], xmm0
            //   660f298424e0030000     | movapd    xmmword ptr [esp + 0x3e0], xmm0

        $sequence_2 = { ff7650 52 6a0a 56 ffd0 83c410 8b4e34 }
            // n = 7, score = 100
            //   ff7650               | push                dword ptr [esi + 0x50]
            //   52                   | push                edx
            //   6a0a                 | push                0xa
            //   56                   | push                esi
            //   ffd0                 | call                eax
            //   83c410               | add                 esp, 0x10
            //   8b4e34               | mov                 ecx, dword ptr [esi + 0x34]

        $sequence_3 = { 8bca c1e910 52 880c03 8bca 8b87cc000000 c1e908 }
            // n = 7, score = 100
            //   8bca                 | mov                 ecx, edx
            //   c1e910               | shr                 ecx, 0x10
            //   52                   | push                edx
            //   880c03               | mov                 byte ptr [ebx + eax], cl
            //   8bca                 | mov                 ecx, edx
            //   8b87cc000000         | mov                 eax, dword ptr [edi + 0xcc]
            //   c1e908               | shr                 ecx, 8

        $sequence_4 = { c1f810 68???????? 8bc6 0facc108 68c6090000 884a02 68???????? }
            // n = 7, score = 100
            //   c1f810               | sar                 eax, 0x10
            //   68????????           |                     
            //   8bc6                 | mov                 eax, esi
            //   0facc108             | shrd                ecx, eax, 8
            //   68c6090000           | push                0x9c6
            //   884a02               | mov                 byte ptr [edx + 2], cl
            //   68????????           |                     

        $sequence_5 = { 8d7dec 8d4ded c745e804000000 2bc8 8bd7 33db 894de0 }
            // n = 7, score = 100
            //   8d7dec               | lea                 edi, [ebp - 0x14]
            //   8d4ded               | lea                 ecx, [ebp - 0x13]
            //   c745e804000000       | mov                 dword ptr [ebp - 0x18], 4
            //   2bc8                 | sub                 ecx, eax
            //   8bd7                 | mov                 edx, edi
            //   33db                 | xor                 ebx, ebx
            //   894de0               | mov                 dword ptr [ebp - 0x20], ecx

        $sequence_6 = { 8d45ea 885de9 50 e8???????? 0175b8 83c40c 2bde }
            // n = 7, score = 100
            //   8d45ea               | lea                 eax, [ebp - 0x16]
            //   885de9               | mov                 byte ptr [ebp - 0x17], bl
            //   50                   | push                eax
            //   e8????????           |                     
            //   0175b8               | add                 dword ptr [ebp - 0x48], esi
            //   83c40c               | add                 esp, 0xc
            //   2bde                 | sub                 ebx, esi

        $sequence_7 = { 8bd6 8b4df0 d3ea 0bc2 8bd0 8bc8 c1e910 }
            // n = 7, score = 100
            //   8bd6                 | mov                 edx, esi
            //   8b4df0               | mov                 ecx, dword ptr [ebp - 0x10]
            //   d3ea                 | shr                 edx, cl
            //   0bc2                 | or                  eax, edx
            //   8bd0                 | mov                 edx, eax
            //   8bc8                 | mov                 ecx, eax
            //   c1e910               | shr                 ecx, 0x10

        $sequence_8 = { 8d4c2418 e8???????? 8bf0 85f6 0f858c030000 8b5304 8d4c2444 }
            // n = 7, score = 100
            //   8d4c2418             | lea                 ecx, [esp + 0x18]
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi
            //   0f858c030000         | jne                 0x392
            //   8b5304               | mov                 edx, dword ptr [ebx + 4]
            //   8d4c2444             | lea                 ecx, [esp + 0x44]

        $sequence_9 = { 85c0 0f85a4000000 6a08 8d55f4 8bcf e8???????? 83c404 }
            // n = 7, score = 100
            //   85c0                 | test                eax, eax
            //   0f85a4000000         | jne                 0xaa
            //   6a08                 | push                8
            //   8d55f4               | lea                 edx, [ebp - 0xc]
            //   8bcf                 | mov                 ecx, edi
            //   e8????????           |                     
            //   83c404               | add                 esp, 4

    condition:
        7 of them and filesize < 1332224
}