rule win_clipog_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.clipog."
        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.clipog"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { 4883ec20 488bda 4c8d0d1fbc0000 8bf9 488d1586a10000 b906000000 4c8d0502bc0000 }
            // n = 7, score = 100
            //   4883ec20             | cmp                 byte ptr [esp + 0x88], 0xa
            //   488bda               | dec                 esp
            //   4c8d0d1fbc0000       | lea                 edx, [0xfffe94f2]
            //   8bf9                 | je                  0x2f1
            //   488d1586a10000       | jmp                 0x2eb
            //   b906000000           | inc                 ecx
            //   4c8d0502bc0000       | mov                 eax, 1

        $sequence_1 = { 740d 488d55c0 e8???????? 85c0 750b 4c3bf7 }
            // n = 6, score = 100
            //   740d                 | dec                 eax
            //   488d55c0             | mov                 ecx, dword ptr [esp + 0x78]
            //   e8????????           |                     
            //   85c0                 | dec                 ebp
            //   750b                 | mov                 eax, esi
            //   4c3bf7               | dec                 eax

        $sequence_2 = { 740e 483bc7 0f848d000000 e9???????? 4d8bbcf160a60100 33d2 }
            // n = 6, score = 100
            //   740e                 | mov                 edx, ebp
            //   483bc7               | dec                 eax
            //   0f848d000000         | mov                 ecx, edi
            //   e9????????           |                     
            //   4d8bbcf160a60100     | jmp                 0x9b
            //   33d2                 | dec                 eax

        $sequence_3 = { 4883ec28 488d0dc1b80100 e8???????? 488d0dbdb80100 }
            // n = 4, score = 100
            //   4883ec28             | dec                 eax
            //   488d0dc1b80100       | xor                 eax, esp
            //   e8????????           |                     
            //   488d0dbdb80100       | dec                 eax

        $sequence_4 = { 488b4318 48894718 48c743180f000000 48837b1810 48897310 }
            // n = 5, score = 100
            //   488b4318             | lea                 edx, [0x10e31]
            //   48894718             | dec                 ecx
            //   48c743180f000000     | mov                 edi, ebp
            //   48837b1810           | dec                 ebp
            //   48897310             | mov                 edi, ebp

        $sequence_5 = { f20f590d???????? f20f59ee f20f5ce9 f2410f1004c1 488d15d69d0000 f20f1014c2 f20f1025???????? }
            // n = 7, score = 100
            //   f20f590d????????     |                     
            //   f20f59ee             | nop                 
            //   f20f5ce9             | dec                 eax
            //   f2410f1004c1         | lea                 ecx, [ebp - 0x48]
            //   488d15d69d0000       | dec                 eax
            //   f20f1014c2           | cmp                 dword ptr [ebp - 0x30], 8
            //   f20f1025????????     |                     

        $sequence_6 = { 4053 4883ec20 84c9 752f 488d1d17730100 }
            // n = 5, score = 100
            //   4053                 | xor                 ebx, ebx
            //   4883ec20             | jmp                 0x2d
            //   84c9                 | dec                 eax
            //   752f                 | lea                 ebx, [0x16081]
            //   488d1d17730100       | jmp                 0x2d

        $sequence_7 = { b903000000 4c8d0500bd0000 488d1549a20000 e8???????? }
            // n = 4, score = 100
            //   b903000000           | lea                 ecx, [esp + 0x48]
            //   4c8d0500bd0000       | nop                 
            //   488d1549a20000       | dec                 esp
            //   e8????????           |                     

        $sequence_8 = { e8???????? 488db328010000 bd06000000 488d7b38 488d0526380100 483947f0 741a }
            // n = 7, score = 100
            //   e8????????           |                     
            //   488db328010000       | dec                 eax
            //   bd06000000           | mov                 edi, ecx
            //   488d7b38             | dec                 esp
            //   488d0526380100       | lea                 ecx, [0x121d4]
            //   483947f0             | mov                 ecx, 4
            //   741a                 | ret                 

        $sequence_9 = { 89742420 ff15???????? 85c0 7526 }
            // n = 4, score = 100
            //   89742420             | lea                 eax, [0x193af]
            //   ff15????????         |                     
            //   85c0                 | dec                 edx
            //   7526                 | mov                 eax, dword ptr [eax + ebp*8]

    condition:
        7 of them and filesize < 372736
}