rule win_globeimposter_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.globeimposter."
        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.globeimposter"
        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 = { 0ff4e0 0f6e7608 0ff4f0 0f6e7e0c 0ff4f8 0fd4ca }
            // n = 6, score = 700
            //   0ff4e0               | pmuludq             mm4, mm0
            //   0f6e7608             | movd                mm6, dword ptr [esi + 8]
            //   0ff4f0               | pmuludq             mm6, mm0
            //   0f6e7e0c             | movd                mm7, dword ptr [esi + 0xc]
            //   0ff4f8               | pmuludq             mm7, mm0
            //   0fd4ca               | paddq               mm1, mm2

        $sequence_1 = { 48 89442418 8b84245c060000 8b4008 8b0488 8b4c2418 }
            // n = 6, score = 700
            //   48                   | dec                 eax
            //   89442418             | mov                 dword ptr [esp + 0x18], eax
            //   8b84245c060000       | mov                 eax, dword ptr [esp + 0x65c]
            //   8b4008               | mov                 eax, dword ptr [eax + 8]
            //   8b0488               | mov                 eax, dword ptr [eax + ecx*4]
            //   8b4c2418             | mov                 ecx, dword ptr [esp + 0x18]

        $sequence_2 = { 43 85d2 7e18 8d4e7c 8b41fc 3b01 }
            // n = 6, score = 700
            //   43                   | inc                 ebx
            //   85d2                 | test                edx, edx
            //   7e18                 | jle                 0x1a
            //   8d4e7c               | lea                 ecx, [esi + 0x7c]
            //   8b41fc               | mov                 eax, dword ptr [ecx - 4]
            //   3b01                 | cmp                 eax, dword ptr [ecx]

        $sequence_3 = { e8???????? ff7608 e8???????? 59 83660400 }
            // n = 5, score = 700
            //   e8????????           |                     
            //   ff7608               | push                dword ptr [esi + 8]
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   83660400             | and                 dword ptr [esi + 4], 0

        $sequence_4 = { 85ff 7452 8bef 8bf0 8b06 8d7604 }
            // n = 6, score = 700
            //   85ff                 | test                edi, edi
            //   7452                 | je                  0x54
            //   8bef                 | mov                 ebp, edi
            //   8bf0                 | mov                 esi, eax
            //   8b06                 | mov                 eax, dword ptr [esi]
            //   8d7604               | lea                 esi, [esi + 4]

        $sequence_5 = { 45 83c104 f7db 75d7 }
            // n = 4, score = 700
            //   45                   | inc                 ebp
            //   83c104               | add                 ecx, 4
            //   f7db                 | neg                 ebx
            //   75d7                 | jne                 0xffffffd9

        $sequence_6 = { 42 58 3bd0 7ced 03f0 3bf8 }
            // n = 6, score = 700
            //   42                   | inc                 edx
            //   58                   | pop                 eax
            //   3bd0                 | cmp                 edx, eax
            //   7ced                 | jl                  0xffffffef
            //   03f0                 | add                 esi, eax
            //   3bf8                 | cmp                 edi, eax

        $sequence_7 = { 5e eb05 b800afffff 5f }
            // n = 4, score = 700
            //   5e                   | pop                 esi
            //   eb05                 | jmp                 7
            //   b800afffff           | mov                 eax, 0xffffaf00
            //   5f                   | pop                 edi

        $sequence_8 = { 0f6e6f08 0fd4ee 0f6e670c 0fd4fc 0f7e0f 0f6e5610 }
            // n = 6, score = 700
            //   0f6e6f08             | movd                mm5, dword ptr [edi + 8]
            //   0fd4ee               | paddq               mm5, mm6
            //   0f6e670c             | movd                mm4, dword ptr [edi + 0xc]
            //   0fd4fc               | paddq               mm7, mm4
            //   0f7e0f               | movd                dword ptr [edi], mm1
            //   0f6e5610             | movd                mm2, dword ptr [esi + 0x10]

        $sequence_9 = { 7560 8b4508 8b4e08 89442418 85ff 7452 8bef }
            // n = 7, score = 700
            //   7560                 | jne                 0x62
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b4e08               | mov                 ecx, dword ptr [esi + 8]
            //   89442418             | mov                 dword ptr [esp + 0x18], eax
            //   85ff                 | test                edi, edi
            //   7452                 | je                  0x54
            //   8bef                 | mov                 ebp, edi

    condition:
        7 of them and filesize < 327680
}