rule win_pandabanker_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.pandabanker"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { 8b442404 53 8bd9 56 8bf2 57 }
            // n = 6, score = 8500
            //   8b442404             | mov                 eax, dword ptr [esp + 4]
            //   53                   | push                ebx
            //   8bd9                 | mov                 ebx, ecx
            //   56                   | push                esi
            //   8bf2                 | mov                 esi, edx
            //   57                   | push                edi

        $sequence_1 = { 85c0 7411 45 83c304 3b6f18 72de }
            // n = 6, score = 8500
            //   85c0                 | test                eax, eax
            //   7411                 | je                  0x13
            //   45                   | inc                 ebp
            //   83c304               | add                 ebx, 4
            //   3b6f18               | cmp                 ebp, dword ptr [edi + 0x18]
            //   72de                 | jb                  0xffffffe0

        $sequence_2 = { 8bf9 8d8df4fdffff 8bd7 8d5e2c 53 }
            // n = 5, score = 8500
            //   8bf9                 | mov                 edi, ecx
            //   8d8df4fdffff         | lea                 ecx, [ebp - 0x20c]
            //   8bd7                 | mov                 edx, edi
            //   8d5e2c               | lea                 ebx, [esi + 0x2c]
            //   53                   | push                ebx

        $sequence_3 = { 6a00 ff742434 893c08 8b4c2424 e8???????? }
            // n = 5, score = 8500
            //   6a00                 | push                0
            //   ff742434             | push                dword ptr [esp + 0x34]
            //   893c08               | mov                 dword ptr [eax + ecx], edi
            //   8b4c2424             | mov                 ecx, dword ptr [esp + 0x24]
            //   e8????????           |                     

        $sequence_4 = { 8be9 56 57 33ff 896c2414 8b7508 8bdf }
            // n = 7, score = 8500
            //   8be9                 | mov                 ebp, ecx
            //   56                   | push                esi
            //   57                   | push                edi
            //   33ff                 | xor                 edi, edi
            //   896c2414             | mov                 dword ptr [esp + 0x14], ebp
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   8bdf                 | mov                 ebx, edi

        $sequence_5 = { 8d7808 6a08 03fd 8bca }
            // n = 4, score = 8500
            //   8d7808               | lea                 edi, [eax + 8]
            //   6a08                 | push                8
            //   03fd                 | add                 edi, ebp
            //   8bca                 | mov                 ecx, edx

        $sequence_6 = { 8bce 50 e8???????? 8b7c2424 84c0 744e ff742428 }
            // n = 7, score = 8500
            //   8bce                 | mov                 ecx, esi
            //   50                   | push                eax
            //   e8????????           |                     
            //   8b7c2424             | mov                 edi, dword ptr [esp + 0x24]
            //   84c0                 | test                al, al
            //   744e                 | je                  0x50
            //   ff742428             | push                dword ptr [esp + 0x28]

        $sequence_7 = { 85c0 8a442416 7410 8a4c2417 fec1 884c2417 }
            // n = 6, score = 8500
            //   85c0                 | test                eax, eax
            //   8a442416             | mov                 al, byte ptr [esp + 0x16]
            //   7410                 | je                  0x12
            //   8a4c2417             | mov                 cl, byte ptr [esp + 0x17]
            //   fec1                 | inc                 cl
            //   884c2417             | mov                 byte ptr [esp + 0x17], cl

        $sequence_8 = { e8???????? 8d4dec 8933 8bf8 }
            // n = 4, score = 8500
            //   e8????????           |                     
            //   8d4dec               | lea                 ecx, [ebp - 0x14]
            //   8933                 | mov                 dword ptr [ebx], esi
            //   8bf8                 | mov                 edi, eax

        $sequence_9 = { 3c5c 7404 33c0 eb03 }
            // n = 4, score = 8500
            //   3c5c                 | cmp                 al, 0x5c
            //   7404                 | je                  6
            //   33c0                 | xor                 eax, eax
            //   eb03                 | jmp                 5

    condition:
        7 of them and filesize < 417792
}