rule win_wipbot_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.wipbot."
        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.wipbot"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { 8b4dd0 ba2390855d b88a758b1f c745d400000000 c745d800000000 c745e000000000 }
            // n = 6, score = 100
            //   8b4dd0               | mov                 ecx, dword ptr [ebp - 0x30]
            //   ba2390855d           | mov                 edx, 0x5d859023
            //   b88a758b1f           | mov                 eax, 0x1f8b758a
            //   c745d400000000       | mov                 dword ptr [ebp - 0x2c], 0
            //   c745d800000000       | mov                 dword ptr [ebp - 0x28], 0
            //   c745e000000000       | mov                 dword ptr [ebp - 0x20], 0

        $sequence_1 = { c68424a90200004f c68424aa02000049 c68424ab02000053 c68424ac02000051 c68424ad02000044 c68424ae0200000d c68424af02000042 }
            // n = 7, score = 100
            //   c68424a90200004f     | mov                 byte ptr [esp + 0x2a9], 0x4f
            //   c68424aa02000049     | mov                 byte ptr [esp + 0x2aa], 0x49
            //   c68424ab02000053     | mov                 byte ptr [esp + 0x2ab], 0x53
            //   c68424ac02000051     | mov                 byte ptr [esp + 0x2ac], 0x51
            //   c68424ad02000044     | mov                 byte ptr [esp + 0x2ad], 0x44
            //   c68424ae0200000d     | mov                 byte ptr [esp + 0x2ae], 0xd
            //   c68424af02000042     | mov                 byte ptr [esp + 0x2af], 0x42

        $sequence_2 = { 75ee 8d85d0f9ffff 89442414 8dbdd4faffff 89442410 }
            // n = 5, score = 100
            //   75ee                 | jne                 0xfffffff0
            //   8d85d0f9ffff         | lea                 eax, [ebp - 0x630]
            //   89442414             | mov                 dword ptr [esp + 0x14], eax
            //   8dbdd4faffff         | lea                 edi, [ebp - 0x52c]
            //   89442410             | mov                 dword ptr [esp + 0x10], eax

        $sequence_3 = { 0f84c4feffff 8d55dc c744242440000000 c744242000000000 c744241c02000000 897c2418 }
            // n = 6, score = 100
            //   0f84c4feffff         | je                  0xfffffeca
            //   8d55dc               | lea                 edx, [ebp - 0x24]
            //   c744242440000000     | mov                 dword ptr [esp + 0x24], 0x40
            //   c744242000000000     | mov                 dword ptr [esp + 0x20], 0
            //   c744241c02000000     | mov                 dword ptr [esp + 0x1c], 2
            //   897c2418             | mov                 dword ptr [esp + 0x18], edi

        $sequence_4 = { e8???????? 0d00005e00 eb45 48 8b442438 }
            // n = 5, score = 100
            //   e8????????           |                     
            //   0d00005e00           | or                  eax, 0x5e0000
            //   eb45                 | jmp                 0x47
            //   48                   | dec                 eax
            //   8b442438             | mov                 eax, dword ptr [esp + 0x38]

        $sequence_5 = { 893424 89d9 e8???????? 85c0 52 7465 89d9 }
            // n = 7, score = 100
            //   893424               | mov                 dword ptr [esp], esi
            //   89d9                 | mov                 ecx, ebx
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   52                   | push                edx
            //   7465                 | je                  0x67
            //   89d9                 | mov                 ecx, ebx

        $sequence_6 = { 894708 8d4620 c1fb1f 89570c 99 894710 }
            // n = 6, score = 100
            //   894708               | mov                 dword ptr [edi + 8], eax
            //   8d4620               | lea                 eax, [esi + 0x20]
            //   c1fb1f               | sar                 ebx, 0x1f
            //   89570c               | mov                 dword ptr [edi + 0xc], edx
            //   99                   | cdq                 
            //   894710               | mov                 dword ptr [edi + 0x10], eax

        $sequence_7 = { ffd2 85c0 0f8571fcffff ba570f2d8f b93272115b 48 8b5c2470 }
            // n = 7, score = 100
            //   ffd2                 | call                edx
            //   85c0                 | test                eax, eax
            //   0f8571fcffff         | jne                 0xfffffc77
            //   ba570f2d8f           | mov                 edx, 0x8f2d0f57
            //   b93272115b           | mov                 ecx, 0x5b117232
            //   48                   | dec                 eax
            //   8b5c2470             | mov                 ebx, dword ptr [esp + 0x70]

        $sequence_8 = { 48 89f7 41 89cc 4d 89c2 48 }
            // n = 7, score = 100
            //   48                   | dec                 eax
            //   89f7                 | mov                 edi, esi
            //   41                   | inc                 ecx
            //   89cc                 | mov                 esp, ecx
            //   4d                   | dec                 ebp
            //   89c2                 | mov                 edx, eax
            //   48                   | dec                 eax

        $sequence_9 = { ba48ed8e43 48 89cb b98855514f }
            // n = 4, score = 100
            //   ba48ed8e43           | mov                 edx, 0x438eed48
            //   48                   | dec                 eax
            //   89cb                 | mov                 ebx, ecx
            //   b98855514f           | mov                 ecx, 0x4f515588

    condition:
        7 of them and filesize < 253952
}