rule win_pandabanker_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-08-17"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.4.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.pandabanker"
        malpedia_rule_date = "20200817"
        malpedia_hash = "8c895fd01eccb47a6225bcb1a3ba53cbb98644c5"
        malpedia_version = "20200817"
        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 / approach 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 = { e8???????? 8bf0 85f6 746d 8b470c 25fffeffff }
            // n = 6, score = 8500
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi
            //   746d                 | je                  0x6f
            //   8b470c               | mov                 eax, dword ptr [edi + 0xc]
            //   25fffeffff           | and                 eax, 0xfffffeff

        $sequence_1 = { c3 53 8bda 56 8bf1 803b00 }
            // n = 6, score = 8500
            //   c3                   | ret                 
            //   53                   | push                ebx
            //   8bda                 | mov                 ebx, edx
            //   56                   | push                esi
            //   8bf1                 | mov                 esi, ecx
            //   803b00               | cmp                 byte ptr [ebx], 0

        $sequence_2 = { 895804 eb03 894608 8b3f 8bd8 85ff 75dc }
            // n = 7, score = 8500
            //   895804               | mov                 dword ptr [eax + 4], ebx
            //   eb03                 | jmp                 5
            //   894608               | mov                 dword ptr [esi + 8], eax
            //   8b3f                 | mov                 edi, dword ptr [edi]
            //   8bd8                 | mov                 ebx, eax
            //   85ff                 | test                edi, edi
            //   75dc                 | jne                 0xffffffde

        $sequence_3 = { e8???????? 8be8 85ed 7443 8b44240c 8bd5 57 }
            // n = 7, score = 8500
            //   e8????????           |                     
            //   8be8                 | mov                 ebp, eax
            //   85ed                 | test                ebp, ebp
            //   7443                 | je                  0x45
            //   8b44240c             | mov                 eax, dword ptr [esp + 0xc]
            //   8bd5                 | mov                 edx, ebp
            //   57                   | push                edi

        $sequence_4 = { 33db e8???????? 8be8 896c2410 85ed }
            // n = 5, score = 8500
            //   33db                 | xor                 ebx, ebx
            //   e8????????           |                     
            //   8be8                 | mov                 ebp, eax
            //   896c2410             | mov                 dword ptr [esp + 0x10], ebp
            //   85ed                 | test                ebp, ebp

        $sequence_5 = { e8???????? 8344241004 43 894500 8d6d04 3b5f04 }
            // n = 6, score = 8500
            //   e8????????           |                     
            //   8344241004           | add                 dword ptr [esp + 0x10], 4
            //   43                   | inc                 ebx
            //   894500               | mov                 dword ptr [ebp], eax
            //   8d6d04               | lea                 ebp, [ebp + 4]
            //   3b5f04               | cmp                 ebx, dword ptr [edi + 4]

        $sequence_6 = { 8bc2 33ed 89442410 894c240c 8a9f00010000 8abf01010000 }
            // n = 6, score = 8500
            //   8bc2                 | mov                 eax, edx
            //   33ed                 | xor                 ebp, ebp
            //   89442410             | mov                 dword ptr [esp + 0x10], eax
            //   894c240c             | mov                 dword ptr [esp + 0xc], ecx
            //   8a9f00010000         | mov                 bl, byte ptr [edi + 0x100]
            //   8abf01010000         | mov                 bh, byte ptr [edi + 0x101]

        $sequence_7 = { c1e204 3c30 7c09 3c39 7f05 83c2d0 eb18 }
            // n = 7, score = 8500
            //   c1e204               | shl                 edx, 4
            //   3c30                 | cmp                 al, 0x30
            //   7c09                 | jl                  0xb
            //   3c39                 | cmp                 al, 0x39
            //   7f05                 | jg                  7
            //   83c2d0               | add                 edx, -0x30
            //   eb18                 | jmp                 0x1a

        $sequence_8 = { e8???????? 8b5c2414 8bcf e8???????? 8b4c2418 e8???????? 8b4c241c }
            // n = 7, score = 8500
            //   e8????????           |                     
            //   8b5c2414             | mov                 ebx, dword ptr [esp + 0x14]
            //   8bcf                 | mov                 ecx, edi
            //   e8????????           |                     
            //   8b4c2418             | mov                 ecx, dword ptr [esp + 0x18]
            //   e8????????           |                     
            //   8b4c241c             | mov                 ecx, dword ptr [esp + 0x1c]

        $sequence_9 = { 21470c 8d4605 ebc1 6a04 }
            // n = 4, score = 8500
            //   21470c               | and                 dword ptr [edi + 0xc], eax
            //   8d4605               | lea                 eax, [esi + 5]
            //   ebc1                 | jmp                 0xffffffc3
            //   6a04                 | push                4

    condition:
        7 of them and filesize < 417792
}