rule win_anel_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-06-10"
        version = "1"
        description = "Detects win.anel."
        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.anel"
        malpedia_rule_date = "20210604"
        malpedia_hash = "be09d5d71e77373c0f538068be31a2ad4c69cfbd"
        malpedia_version = "20210616"
        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 = { 668945c8 58 6a4f 668945ca 58 6a70 668945cc }
            // n = 7, score = 200
            //   668945c8             | mov                 word ptr [ebp - 0x38], ax
            //   58                   | pop                 eax
            //   6a4f                 | push                0x4f
            //   668945ca             | mov                 word ptr [ebp - 0x36], ax
            //   58                   | pop                 eax
            //   6a70                 | push                0x70
            //   668945cc             | mov                 word ptr [ebp - 0x34], ax

        $sequence_1 = { 0394b8480c0000 335508 895d08 8b780c 33fa 8bd7 c1ea10 }
            // n = 7, score = 200
            //   0394b8480c0000       | add                 edx, dword ptr [eax + edi*4 + 0xc48]
            //   335508               | xor                 edx, dword ptr [ebp + 8]
            //   895d08               | mov                 dword ptr [ebp + 8], ebx
            //   8b780c               | mov                 edi, dword ptr [eax + 0xc]
            //   33fa                 | xor                 edi, edx
            //   8bd7                 | mov                 edx, edi
            //   c1ea10               | shr                 edx, 0x10

        $sequence_2 = { 68???????? 64a100000000 50 b830000100 e8???????? a1???????? 33c5 }
            // n = 7, score = 200
            //   68????????           |                     
            //   64a100000000         | mov                 eax, dword ptr fs:[0]
            //   50                   | push                eax
            //   b830000100           | mov                 eax, 0x10030
            //   e8????????           |                     
            //   a1????????           |                     
            //   33c5                 | xor                 eax, ebp

        $sequence_3 = { b830000100 e8???????? a1???????? 33c5 8945f0 53 56 }
            // n = 7, score = 200
            //   b830000100           | mov                 eax, 0x10030
            //   e8????????           |                     
            //   a1????????           |                     
            //   33c5                 | xor                 eax, ebp
            //   8945f0               | mov                 dword ptr [ebp - 0x10], eax
            //   53                   | push                ebx
            //   56                   | push                esi

        $sequence_4 = { c9 c3 68f4000000 b8???????? e8???????? 8b4508 83a50cffffff00 }
            // n = 7, score = 200
            //   c9                   | leave               
            //   c3                   | ret                 
            //   68f4000000           | push                0xf4
            //   b8????????           |                     
            //   e8????????           |                     
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   83a50cffffff00       | and                 dword ptr [ebp - 0xf4], 0

        $sequence_5 = { a5 8b7df4 8d75c0 a5 a5 a5 a5 }
            // n = 7, score = 200
            //   a5                   | movsd               dword ptr es:[edi], dword ptr [esi]
            //   8b7df4               | mov                 edi, dword ptr [ebp - 0xc]
            //   8d75c0               | lea                 esi, dword ptr [ebp - 0x40]
            //   a5                   | movsd               dword ptr es:[edi], dword ptr [esi]
            //   a5                   | movsd               dword ptr es:[edi], dword ptr [esi]
            //   a5                   | movsd               dword ptr es:[edi], dword ptr [esi]
            //   a5                   | movsd               dword ptr es:[edi], dword ptr [esi]

        $sequence_6 = { e8???????? 8bd6 8d4dbc c645fc01 e8???????? 6a01 33ff }
            // n = 7, score = 200
            //   e8????????           |                     
            //   8bd6                 | mov                 edx, esi
            //   8d4dbc               | lea                 ecx, dword ptr [ebp - 0x44]
            //   c645fc01             | mov                 byte ptr [ebp - 4], 1
            //   e8????????           |                     
            //   6a01                 | push                1
            //   33ff                 | xor                 edi, edi

        $sequence_7 = { 0f85cd000000 8d842478010000 50 8d8424a8000000 c784247c0100006e657477 c78424800100006f726b2e c784248401000070726f78 }
            // n = 7, score = 200
            //   0f85cd000000         | jne                 0xd3
            //   8d842478010000       | lea                 eax, dword ptr [esp + 0x178]
            //   50                   | push                eax
            //   8d8424a8000000       | lea                 eax, dword ptr [esp + 0xa8]
            //   c784247c0100006e657477     | mov    dword ptr [esp + 0x17c], 0x7774656e
            //   c78424800100006f726b2e     | mov    dword ptr [esp + 0x180], 0x2e6b726f
            //   c784248401000070726f78     | mov    dword ptr [esp + 0x184], 0x786f7270

        $sequence_8 = { 50 53 8d4598 50 8db57cffffff e8???????? 8bd8 }
            // n = 7, score = 200
            //   50                   | push                eax
            //   53                   | push                ebx
            //   8d4598               | lea                 eax, dword ptr [ebp - 0x68]
            //   50                   | push                eax
            //   8db57cffffff         | lea                 esi, dword ptr [ebp - 0x84]
            //   e8????????           |                     
            //   8bd8                 | mov                 ebx, eax

        $sequence_9 = { e9???????? 8db510ffffff e9???????? 8d9d24feffff e9???????? 8db5f4feffff e9???????? }
            // n = 7, score = 200
            //   e9????????           |                     
            //   8db510ffffff         | lea                 esi, dword ptr [ebp - 0xf0]
            //   e9????????           |                     
            //   8d9d24feffff         | lea                 ebx, dword ptr [ebp - 0x1dc]
            //   e9????????           |                     
            //   8db5f4feffff         | lea                 esi, dword ptr [ebp - 0x10c]
            //   e9????????           |                     

    condition:
        7 of them and filesize < 376832
}