rule win_wipbot_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.wipbot"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { c7472c90c20400 eb7a 8d4608 89cb 99 8907 8d4628 }
            // n = 7, score = 100
            //   c7472c90c20400       | mov                 dword ptr [edi + 0x2c], 0x4c290
            //   eb7a                 | jmp                 0x7c
            //   8d4608               | lea                 eax, [esi + 8]
            //   89cb                 | mov                 ebx, ecx
            //   99                   | cdq                 
            //   8907                 | mov                 dword ptr [edi], eax
            //   8d4628               | lea                 eax, [esi + 0x28]

        $sequence_1 = { 89742408 c744240404000000 891c24 ffd1 83ec14 eb00 }
            // n = 6, score = 100
            //   89742408             | mov                 dword ptr [esp + 8], esi
            //   c744240404000000     | mov                 dword ptr [esp + 4], 4
            //   891c24               | mov                 dword ptr [esp], ebx
            //   ffd1                 | call                ecx
            //   83ec14               | sub                 esp, 0x14
            //   eb00                 | jmp                 2

        $sequence_2 = { eb1c 69d20d661900 41 89c0 ffc0 81c25ff36e3c }
            // n = 6, score = 100
            //   eb1c                 | jmp                 0x1e
            //   69d20d661900         | imul                edx, edx, 0x19660d
            //   41                   | inc                 ecx
            //   89c0                 | mov                 eax, eax
            //   ffc0                 | inc                 eax
            //   81c25ff36e3c         | add                 edx, 0x3c6ef35f

        $sequence_3 = { 53 89c3 7438 89d6 ba80000000 89f0 }
            // n = 6, score = 100
            //   53                   | push                ebx
            //   89c3                 | mov                 ebx, eax
            //   7438                 | je                  0x3a
            //   89d6                 | mov                 esi, edx
            //   ba80000000           | mov                 edx, 0x80
            //   89f0                 | mov                 eax, esi

        $sequence_4 = { 7429 48 8b7010 48 89f3 eb1b 48 }
            // n = 7, score = 100
            //   7429                 | je                  0x2b
            //   48                   | dec                 eax
            //   8b7010               | mov                 esi, dword ptr [eax + 0x10]
            //   48                   | dec                 eax
            //   89f3                 | mov                 ebx, esi
            //   eb1b                 | jmp                 0x1d
            //   48                   | dec                 eax

        $sequence_5 = { c68424b50000006f c68424b600000072 c68424b700000070 c68424b80000007b c68424b900000072 c68424ba00000074 48 }
            // n = 7, score = 100
            //   c68424b50000006f     | mov                 byte ptr [esp + 0xb5], 0x6f
            //   c68424b600000072     | mov                 byte ptr [esp + 0xb6], 0x72
            //   c68424b700000070     | mov                 byte ptr [esp + 0xb7], 0x70
            //   c68424b80000007b     | mov                 byte ptr [esp + 0xb8], 0x7b
            //   c68424b900000072     | mov                 byte ptr [esp + 0xb9], 0x72
            //   c68424ba00000074     | mov                 byte ptr [esp + 0xba], 0x74
            //   48                   | dec                 eax

        $sequence_6 = { ffc0 48 83f858 75f3 30c0 }
            // n = 5, score = 100
            //   ffc0                 | inc                 eax
            //   48                   | dec                 eax
            //   83f858               | cmp                 eax, 0x58
            //   75f3                 | jne                 0xfffffff5
            //   30c0                 | xor                 al, al

        $sequence_7 = { 85c0 740c 48 8d542428 b901000000 ffd0 48 }
            // n = 7, score = 100
            //   85c0                 | test                eax, eax
            //   740c                 | je                  0xe
            //   48                   | dec                 eax
            //   8d542428             | lea                 edx, [esp + 0x28]
            //   b901000000           | mov                 ecx, 1
            //   ffd0                 | call                eax
            //   48                   | dec                 eax

        $sequence_8 = { 89da 89f1 e8???????? 85c0 75e0 }
            // n = 5, score = 100
            //   89da                 | mov                 edx, ebx
            //   89f1                 | mov                 ecx, esi
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   75e0                 | jne                 0xffffffe2

        $sequence_9 = { 8b4b60 e8???????? 39f8 7506 48 8b4330 eb0f }
            // n = 7, score = 100
            //   8b4b60               | mov                 ecx, dword ptr [ebx + 0x60]
            //   e8????????           |                     
            //   39f8                 | cmp                 eax, edi
            //   7506                 | jne                 8
            //   48                   | dec                 eax
            //   8b4330               | mov                 eax, dword ptr [ebx + 0x30]
            //   eb0f                 | jmp                 0x11

    condition:
        7 of them and filesize < 253952
}