rule win_collectorgoomba_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-03-28"
        version = "1"
        description = "Detects win.collectorgoomba."
        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.collectorgoomba"
        malpedia_rule_date = "20230328"
        malpedia_hash = "9d2d75cef573c1c2d861f5197df8f563b05a305d"
        malpedia_version = "20230407"
        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 = { 8b4508 83604800 c9 c3 55 8bec 8b4508 }
            // n = 7, score = 200
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   83604800             | and                 dword ptr [eax + 0x48], 0
            //   c9                   | leave               
            //   c3                   | ret                 
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]

        $sequence_1 = { ff75f8 ff7508 e8???????? 59 59 ff75f8 ff75f4 }
            // n = 7, score = 200
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   59                   | pop                 ecx
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   ff75f4               | push                dword ptr [ebp - 0xc]

        $sequence_2 = { f20f1145d8 8b45fc 8945cc 8b4510 0fb64015 83e008 7409 }
            // n = 7, score = 200
            //   f20f1145d8           | movsd               qword ptr [ebp - 0x28], xmm0
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   8945cc               | mov                 dword ptr [ebp - 0x34], eax
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   0fb64015             | movzx               eax, byte ptr [eax + 0x15]
            //   83e008               | and                 eax, 8
            //   7409                 | je                  0xb

        $sequence_3 = { eb15 8b4508 8b8090af0600 0345fc 8b4d08 898190af0600 8b4508 }
            // n = 7, score = 200
            //   eb15                 | jmp                 0x17
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b8090af0600         | mov                 eax, dword ptr [eax + 0x6af90]
            //   0345fc               | add                 eax, dword ptr [ebp - 4]
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   898190af0600         | mov                 dword ptr [ecx + 0x6af90], eax
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]

        $sequence_4 = { ff15???????? 59 8b4dfc 894124 8b45fc c9 c3 }
            // n = 7, score = 200
            //   ff15????????         |                     
            //   59                   | pop                 ecx
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   894124               | mov                 dword ptr [ecx + 0x24], eax
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   c9                   | leave               
            //   c3                   | ret                 

        $sequence_5 = { 0fb600 0345dc 8945dc 8b45f0 40 8945f0 8b45dc }
            // n = 7, score = 200
            //   0fb600               | movzx               eax, byte ptr [eax]
            //   0345dc               | add                 eax, dword ptr [ebp - 0x24]
            //   8945dc               | mov                 dword ptr [ebp - 0x24], eax
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   40                   | inc                 eax
            //   8945f0               | mov                 dword ptr [ebp - 0x10], eax
            //   8b45dc               | mov                 eax, dword ptr [ebp - 0x24]

        $sequence_6 = { ff7508 e8???????? 83c40c 8b4508 8b4044 8945f8 8b4508 }
            // n = 7, score = 200
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b4044               | mov                 eax, dword ptr [eax + 0x44]
            //   8945f8               | mov                 dword ptr [ebp - 8], eax
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]

        $sequence_7 = { e8???????? 59 8b4508 ff705c 6a00 6a5a ff75fc }
            // n = 7, score = 200
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   ff705c               | push                dword ptr [eax + 0x5c]
            //   6a00                 | push                0
            //   6a5a                 | push                0x5a
            //   ff75fc               | push                dword ptr [ebp - 4]

        $sequence_8 = { eb04 8365f000 8b45fc 8b4d08 8b55f0 89948170af0400 ebb4 }
            // n = 7, score = 200
            //   eb04                 | jmp                 6
            //   8365f000             | and                 dword ptr [ebp - 0x10], 0
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   8b55f0               | mov                 edx, dword ptr [ebp - 0x10]
            //   89948170af0400       | mov                 dword ptr [ecx + eax*4 + 0x4af70], edx
            //   ebb4                 | jmp                 0xffffffb6

        $sequence_9 = { 8bec 83ec30 0fb64514 83f804 752e 8b4508 ff7044 }
            // n = 7, score = 200
            //   8bec                 | mov                 ebp, esp
            //   83ec30               | sub                 esp, 0x30
            //   0fb64514             | movzx               eax, byte ptr [ebp + 0x14]
            //   83f804               | cmp                 eax, 4
            //   752e                 | jne                 0x30
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   ff7044               | push                dword ptr [eax + 0x44]

    condition:
        7 of them and filesize < 1400832
}