rule win_remy_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-03-28"
        version = "1"
        description = "Detects win.remy."
        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.remy"
        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 = { 0f82bc010000 8b5544 52 e8???????? 83c404 e9???????? 8b4d08 }
            // n = 7, score = 200
            //   0f82bc010000         | jb                  0x1c2
            //   8b5544               | mov                 edx, dword ptr [ebp + 0x44]
            //   52                   | push                edx
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   e9????????           |                     
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]

        $sequence_1 = { 6a10 6a02 897df8 ff15???????? 8945f4 85c0 0f85b0000000 }
            // n = 7, score = 200
            //   6a10                 | push                0x10
            //   6a02                 | push                2
            //   897df8               | mov                 dword ptr [ebp - 8], edi
            //   ff15????????         |                     
            //   8945f4               | mov                 dword ptr [ebp - 0xc], eax
            //   85c0                 | test                eax, eax
            //   0f85b0000000         | jne                 0xb6

        $sequence_2 = { ff15???????? 6a04 8d8c24e4000000 51 56 6a06 57 }
            // n = 7, score = 200
            //   ff15????????         |                     
            //   6a04                 | push                4
            //   8d8c24e4000000       | lea                 ecx, [esp + 0xe4]
            //   51                   | push                ecx
            //   56                   | push                esi
            //   6a06                 | push                6
            //   57                   | push                edi

        $sequence_3 = { a1???????? 33c5 50 8d45f4 64a300000000 8d45e0 50 }
            // n = 7, score = 200
            //   a1????????           |                     
            //   33c5                 | xor                 eax, ebp
            //   50                   | push                eax
            //   8d45f4               | lea                 eax, [ebp - 0xc]
            //   64a300000000         | mov                 dword ptr fs:[0], eax
            //   8d45e0               | lea                 eax, [ebp - 0x20]
            //   50                   | push                eax

        $sequence_4 = { 50 e8???????? 83c404 885dfc be0f000000 885d0c 895d1c }
            // n = 7, score = 200
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   885dfc               | mov                 byte ptr [ebp - 4], bl
            //   be0f000000           | mov                 esi, 0xf
            //   885d0c               | mov                 byte ptr [ebp + 0xc], bl
            //   895d1c               | mov                 dword ptr [ebp + 0x1c], ebx

        $sequence_5 = { 8930 897e04 897e08 897e0c 897e10 89bb8c000000 89bb90000000 }
            // n = 7, score = 200
            //   8930                 | mov                 dword ptr [eax], esi
            //   897e04               | mov                 dword ptr [esi + 4], edi
            //   897e08               | mov                 dword ptr [esi + 8], edi
            //   897e0c               | mov                 dword ptr [esi + 0xc], edi
            //   897e10               | mov                 dword ptr [esi + 0x10], edi
            //   89bb8c000000         | mov                 dword ptr [ebx + 0x8c], edi
            //   89bb90000000         | mov                 dword ptr [ebx + 0x90], edi

        $sequence_6 = { 85ff 0f8487fdffff 2b14b568f84200 8b88bc160000 be10000000 2bf7 3bce }
            // n = 7, score = 200
            //   85ff                 | test                edi, edi
            //   0f8487fdffff         | je                  0xfffffd8d
            //   2b14b568f84200       | sub                 edx, dword ptr [esi*4 + 0x42f868]
            //   8b88bc160000         | mov                 ecx, dword ptr [eax + 0x16bc]
            //   be10000000           | mov                 esi, 0x10
            //   2bf7                 | sub                 esi, edi
            //   3bce                 | cmp                 ecx, esi

        $sequence_7 = { 50 6805100000 68ffff0000 51 c745e420bf0200 ff15???????? 837d0800 }
            // n = 7, score = 200
            //   50                   | push                eax
            //   6805100000           | push                0x1005
            //   68ffff0000           | push                0xffff
            //   51                   | push                ecx
            //   c745e420bf0200       | mov                 dword ptr [ebp - 0x1c], 0x2bf20
            //   ff15????????         |                     
            //   837d0800             | cmp                 dword ptr [ebp + 8], 0

        $sequence_8 = { 895d38 885d28 397d58 0f82e5000000 8b4544 }
            // n = 5, score = 200
            //   895d38               | mov                 dword ptr [ebp + 0x38], ebx
            //   885d28               | mov                 byte ptr [ebp + 0x28], bl
            //   397d58               | cmp                 dword ptr [ebp + 0x58], edi
            //   0f82e5000000         | jb                  0xeb
            //   8b4544               | mov                 eax, dword ptr [ebp + 0x44]

        $sequence_9 = { c7459c493e472b c745a03e4a4e3e 66c745a44c4d c645a600 c745d030424721 c745d44d4d492b c745d83e3a3d1d }
            // n = 7, score = 200
            //   c7459c493e472b       | mov                 dword ptr [ebp - 0x64], 0x2b473e49
            //   c745a03e4a4e3e       | mov                 dword ptr [ebp - 0x60], 0x3e4e4a3e
            //   66c745a44c4d         | mov                 word ptr [ebp - 0x5c], 0x4d4c
            //   c645a600             | mov                 byte ptr [ebp - 0x5a], 0
            //   c745d030424721       | mov                 dword ptr [ebp - 0x30], 0x21474230
            //   c745d44d4d492b       | mov                 dword ptr [ebp - 0x2c], 0x2b494d4d
            //   c745d83e3a3d1d       | mov                 dword ptr [ebp - 0x28], 0x1d3d3a3e

    condition:
        7 of them and filesize < 507904
}