rule win_pathwiper_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.pathwiper."
        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.pathwiper"
        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 = { c745e0ebccb158 668975e4 e8???????? 8b8d52ebffff 33c8 66894de6 b98fbc0000 }
            // n = 7, score = 100
            //   c745e0ebccb158       | mov                 dword ptr [ebp - 0x20], 0x58b1cceb
            //   668975e4             | mov                 word ptr [ebp - 0x1c], si
            //   e8????????           |                     
            //   8b8d52ebffff         | mov                 ecx, dword ptr [ebp - 0x14ae]
            //   33c8                 | xor                 ecx, eax
            //   66894de6             | mov                 word ptr [ebp - 0x1a], cx
            //   b98fbc0000           | mov                 ecx, 0xbc8f

        $sequence_1 = { c645fc00 85c0 0f859a000000 8b45f0 83c018 8945f0 3b45ec }
            // n = 7, score = 100
            //   c645fc00             | mov                 byte ptr [ebp - 4], 0
            //   85c0                 | test                eax, eax
            //   0f859a000000         | jne                 0xa0
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   83c018               | add                 eax, 0x18
            //   8945f0               | mov                 dword ptr [ebp - 0x10], eax
            //   3b45ec               | cmp                 eax, dword ptr [ebp - 0x14]

        $sequence_2 = { c645fc2d 8d8d24fcffff 50 51 8d4e54 e8???????? 68???????? }
            // n = 7, score = 100
            //   c645fc2d             | mov                 byte ptr [ebp - 4], 0x2d
            //   8d8d24fcffff         | lea                 ecx, [ebp - 0x3dc]
            //   50                   | push                eax
            //   51                   | push                ecx
            //   8d4e54               | lea                 ecx, [esi + 0x54]
            //   e8????????           |                     
            //   68????????           |                     

        $sequence_3 = { 8b85fcfeffff 8b00 50 83c008 50 8d8558ffffff 50 }
            // n = 7, score = 100
            //   8b85fcfeffff         | mov                 eax, dword ptr [ebp - 0x104]
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   50                   | push                eax
            //   83c008               | add                 eax, 8
            //   50                   | push                eax
            //   8d8558ffffff         | lea                 eax, [ebp - 0xa8]
            //   50                   | push                eax

        $sequence_4 = { 898534ebffff 8b4804 51 898d38ebffff 8d8dd8eaffff 50 }
            // n = 6, score = 100
            //   898534ebffff         | mov                 dword ptr [ebp - 0x14cc], eax
            //   8b4804               | mov                 ecx, dword ptr [eax + 4]
            //   51                   | push                ecx
            //   898d38ebffff         | mov                 dword ptr [ebp - 0x14c8], ecx
            //   8d8dd8eaffff         | lea                 ecx, [ebp - 0x1528]
            //   50                   | push                eax

        $sequence_5 = { c645fc2f 50 8d8578ffffff 8d7e74 50 8bcf e8???????? }
            // n = 7, score = 100
            //   c645fc2f             | mov                 byte ptr [ebp - 4], 0x2f
            //   50                   | push                eax
            //   8d8578ffffff         | lea                 eax, [ebp - 0x88]
            //   8d7e74               | lea                 edi, [esi + 0x74]
            //   50                   | push                eax
            //   8bcf                 | mov                 ecx, edi
            //   e8????????           |                     

        $sequence_6 = { 8d45e0 8975ec 50 c745f037347af3 c745f41d4ae42d c745f89b1e0000 e8???????? }
            // n = 7, score = 100
            //   8d45e0               | lea                 eax, [ebp - 0x20]
            //   8975ec               | mov                 dword ptr [ebp - 0x14], esi
            //   50                   | push                eax
            //   c745f037347af3       | mov                 dword ptr [ebp - 0x10], 0xf37a3437
            //   c745f41d4ae42d       | mov                 dword ptr [ebp - 0xc], 0x2de44a1d
            //   c745f89b1e0000       | mov                 dword ptr [ebp - 8], 0x1e9b
            //   e8????????           |                     

        $sequence_7 = { 50 8d45e0 8975ec 50 c745f03734baf3 c745f41deccda2 }
            // n = 6, score = 100
            //   50                   | push                eax
            //   8d45e0               | lea                 eax, [ebp - 0x20]
            //   8975ec               | mov                 dword ptr [ebp - 0x14], esi
            //   50                   | push                eax
            //   c745f03734baf3       | mov                 dword ptr [ebp - 0x10], 0xf3ba3437
            //   c745f41deccda2       | mov                 dword ptr [ebp - 0xc], 0xa2cdec1d

        $sequence_8 = { 8d45f3 8945ec 8d45e0 50 c645f300 c645e800 e8???????? }
            // n = 7, score = 100
            //   8d45f3               | lea                 eax, [ebp - 0xd]
            //   8945ec               | mov                 dword ptr [ebp - 0x14], eax
            //   8d45e0               | lea                 eax, [ebp - 0x20]
            //   50                   | push                eax
            //   c645f300             | mov                 byte ptr [ebp - 0xd], 0
            //   c645e800             | mov                 byte ptr [ebp - 0x18], 0
            //   e8????????           |                     

        $sequence_9 = { c68578ffffff00 0f84b2000000 c6851cfeffff00 85c9 0f84f7010000 8b01 8d951cfeffff }
            // n = 7, score = 100
            //   c68578ffffff00       | mov                 byte ptr [ebp - 0x88], 0
            //   0f84b2000000         | je                  0xb8
            //   c6851cfeffff00       | mov                 byte ptr [ebp - 0x1e4], 0
            //   85c9                 | test                ecx, ecx
            //   0f84f7010000         | je                  0x1fd
            //   8b01                 | mov                 eax, dword ptr [ecx]
            //   8d951cfeffff         | lea                 edx, [ebp - 0x1e4]

    condition:
        7 of them and filesize < 1047552
}