rule win_anel_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-12-22"
        version = "1"
        description = "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 = "20201222"
        malpedia_hash = "30354d830a29f0fbd3714d93d94dea941d77a130"
        malpedia_version = "20201023"
        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 = { f3ab 13c9 66f3ab 5f 5d c20400 83661000 }
            // n = 7, score = 200
            //   f3ab                 | rep stosd           dword ptr es:[edi], eax
            //   13c9                 | adc                 ecx, ecx
            //   66f3ab               | rep stosd           dword ptr es:[edi], eax
            //   5f                   | pop                 edi
            //   5d                   | pop                 ebp
            //   c20400               | ret                 4
            //   83661000             | and                 dword ptr [esi + 0x10], 0

        $sequence_1 = { 33ff 8db56cffffff c645fc07 e8???????? 8d4db8 e8???????? 50 }
            // n = 7, score = 200
            //   33ff                 | xor                 edi, edi
            //   8db56cffffff         | lea                 esi, [ebp - 0x94]
            //   c645fc07             | mov                 byte ptr [ebp - 4], 7
            //   e8????????           |                     
            //   8d4db8               | lea                 ecx, [ebp - 0x48]
            //   e8????????           |                     
            //   50                   | push                eax

        $sequence_2 = { 8365cc00 56 ff750c 8d45d0 ff7508 8bf1 68???????? }
            // n = 7, score = 200
            //   8365cc00             | and                 dword ptr [ebp - 0x34], 0
            //   56                   | push                esi
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   8d45d0               | lea                 eax, [ebp - 0x30]
            //   ff7508               | push                dword ptr [ebp + 8]
            //   8bf1                 | mov                 esi, ecx
            //   68????????           |                     

        $sequence_3 = { 53 8d4dec 51 ff7518 03c7 }
            // n = 5, score = 200
            //   53                   | push                ebx
            //   8d4dec               | lea                 ecx, [ebp - 0x14]
            //   51                   | push                ecx
            //   ff7518               | push                dword ptr [ebp + 0x18]
            //   03c7                 | add                 eax, edi

        $sequence_4 = { 33f6 897598 ff15???????? 56 50 8d4dd4 }
            // n = 6, score = 200
            //   33f6                 | xor                 esi, esi
            //   897598               | mov                 dword ptr [ebp - 0x68], esi
            //   ff15????????         |                     
            //   56                   | push                esi
            //   50                   | push                eax
            //   8d4dd4               | lea                 ecx, [ebp - 0x2c]

        $sequence_5 = { 85c0 7505 c644241300 f644241404 7411 83642414fb 53 }
            // n = 7, score = 200
            //   85c0                 | test                eax, eax
            //   7505                 | jne                 7
            //   c644241300           | mov                 byte ptr [esp + 0x13], 0
            //   f644241404           | test                byte ptr [esp + 0x14], 4
            //   7411                 | je                  0x13
            //   83642414fb           | and                 dword ptr [esp + 0x14], 0xfffffffb
            //   53                   | push                ebx

        $sequence_6 = { 6a32 668945ca 58 6a5f 668945cc 58 6a43 }
            // n = 7, score = 200
            //   6a32                 | push                0x32
            //   668945ca             | mov                 word ptr [ebp - 0x36], ax
            //   58                   | pop                 eax
            //   6a5f                 | push                0x5f
            //   668945cc             | mov                 word ptr [ebp - 0x34], ax
            //   58                   | pop                 eax
            //   6a43                 | push                0x43

        $sequence_7 = { 59 6a01 8db4248c000000 c68424e401000007 e8???????? 395c247c 0f841e040000 }
            // n = 7, score = 200
            //   59                   | pop                 ecx
            //   6a01                 | push                1
            //   8db4248c000000       | lea                 esi, [esp + 0x8c]
            //   c68424e401000007     | mov                 byte ptr [esp + 0x1e4], 7
            //   e8????????           |                     
            //   395c247c             | cmp                 dword ptr [esp + 0x7c], ebx
            //   0f841e040000         | je                  0x424

        $sequence_8 = { 51 53 57 57 ff15???????? 8bce e8???????? }
            // n = 7, score = 200
            //   51                   | push                ecx
            //   53                   | push                ebx
            //   57                   | push                edi
            //   57                   | push                edi
            //   ff15????????         |                     
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     

        $sequence_9 = { 59 57 50 83c8ff 8d75c8 c645fc0e }
            // n = 6, score = 200
            //   59                   | pop                 ecx
            //   57                   | push                edi
            //   50                   | push                eax
            //   83c8ff               | or                  eax, 0xffffffff
            //   8d75c8               | lea                 esi, [ebp - 0x38]
            //   c645fc0e             | mov                 byte ptr [ebp - 4], 0xe

    condition:
        7 of them and filesize < 376832
}