rule win_zeus_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-05-30"
        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.zeus"
        malpedia_rule_date = "20200529"
        malpedia_hash = "92c362319514e5a6da26204961446caa3a8b32a8"
        malpedia_version = "20200529"
        malpedia_license = "CC BY-NC-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 = { eb58 833f00 7651 8b5f08 }
            // n = 4, score = 700
            //   eb58                 | jmp                 0x5a
            //   833f00               | cmp                 dword ptr [edi], 0
            //   7651                 | jbe                 0x53
            //   8b5f08               | mov                 ebx, dword ptr [edi + 8]

        $sequence_1 = { e8???????? 8d85f8fdffff 50 6a01 }
            // n = 4, score = 600
            //   e8????????           |                     
            //   8d85f8fdffff         | lea                 eax, [ebp - 0x208]
            //   50                   | push                eax
            //   6a01                 | push                1

        $sequence_2 = { e8???????? 8945fc 3bc7 0f8484030000 8b75e0 53 bf???????? }
            // n = 7, score = 600
            //   e8????????           |                     
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   3bc7                 | cmp                 eax, edi
            //   0f8484030000         | je                  0x38a
            //   8b75e0               | mov                 esi, dword ptr [ebp - 0x20]
            //   53                   | push                ebx
            //   bf????????           |                     

        $sequence_3 = { a1???????? 85c0 0f8440ffffff 50 ff15???????? 8325????????00 }
            // n = 6, score = 600
            //   a1????????           |                     
            //   85c0                 | test                eax, eax
            //   0f8440ffffff         | je                  0xffffff46
            //   50                   | push                eax
            //   ff15????????         |                     
            //   8325????????00       |                     

        $sequence_4 = { ff15???????? 83f801 751e 807dff05 7410 }
            // n = 5, score = 600
            //   ff15????????         |                     
            //   83f801               | cmp                 eax, 1
            //   751e                 | jne                 0x20
            //   807dff05             | cmp                 byte ptr [ebp - 1], 5
            //   7410                 | je                  0x12

        $sequence_5 = { 7502 2106 c20400 55 8bec }
            // n = 5, score = 600
            //   7502                 | jne                 4
            //   2106                 | and                 dword ptr [esi], eax
            //   c20400               | ret                 4
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp

        $sequence_6 = { 83780c04 7507 b900008000 eb02 33c9 }
            // n = 5, score = 600
            //   83780c04             | cmp                 dword ptr [eax + 0xc], 4
            //   7507                 | jne                 9
            //   b900008000           | mov                 ecx, 0x800000
            //   eb02                 | jmp                 4
            //   33c9                 | xor                 ecx, ecx

        $sequence_7 = { 2975ec c60000 897df0 8bd6 8b45ec 8a0c10 }
            // n = 6, score = 600
            //   2975ec               | sub                 dword ptr [ebp - 0x14], esi
            //   c60000               | mov                 byte ptr [eax], 0
            //   897df0               | mov                 dword ptr [ebp - 0x10], edi
            //   8bd6                 | mov                 edx, esi
            //   8b45ec               | mov                 eax, dword ptr [ebp - 0x14]
            //   8a0c10               | mov                 cl, byte ptr [eax + edx]

        $sequence_8 = { 8bf3 6810270000 ff35???????? ff15???????? }
            // n = 4, score = 500
            //   8bf3                 | mov                 esi, ebx
            //   6810270000           | push                0x2710
            //   ff35????????         |                     
            //   ff15????????         |                     

        $sequence_9 = { e8???????? 84c0 7442 6a10 }
            // n = 4, score = 500
            //   e8????????           |                     
            //   84c0                 | test                al, al
            //   7442                 | je                  0x44
            //   6a10                 | push                0x10

        $sequence_10 = { 891d???????? 891d???????? ffd6 68???????? }
            // n = 4, score = 500
            //   891d????????         |                     
            //   891d????????         |                     
            //   ffd6                 | call                esi
            //   68????????           |                     

        $sequence_11 = { 8d8db0fdffff e8???????? 8ad8 84db }
            // n = 4, score = 400
            //   8d8db0fdffff         | lea                 ecx, [ebp - 0x250]
            //   e8????????           |                     
            //   8ad8                 | mov                 bl, al
            //   84db                 | test                bl, bl

        $sequence_12 = { ff15???????? 5e 8ac3 5b c20800 55 }
            // n = 6, score = 300
            //   ff15????????         |                     
            //   5e                   | pop                 esi
            //   8ac3                 | mov                 al, bl
            //   5b                   | pop                 ebx
            //   c20800               | ret                 8
            //   55                   | push                ebp

        $sequence_13 = { e8???????? 84c0 0f84ac000000 b809080002 3945f4 7713 }
            // n = 6, score = 200
            //   e8????????           |                     
            //   84c0                 | test                al, al
            //   0f84ac000000         | je                  0xb2
            //   b809080002           | mov                 eax, 0x2000809
            //   3945f4               | cmp                 dword ptr [ebp - 0xc], eax
            //   7713                 | ja                  0x15

        $sequence_14 = { 81f309080002 81fb5d515047 7410 81fb4f4d4156 }
            // n = 4, score = 200
            //   81f309080002         | xor                 ebx, 0x2000809
            //   81fb5d515047         | cmp                 ebx, 0x4750515d
            //   7410                 | je                  0x12
            //   81fb4f4d4156         | cmp                 ebx, 0x56414d4f

        $sequence_15 = { c707000e0000 c7470809080002 e8???????? 83674200 6a78 }
            // n = 5, score = 200
            //   c707000e0000         | mov                 dword ptr [edi], 0xe00
            //   c7470809080002       | mov                 dword ptr [edi + 8], 0x2000809
            //   e8????????           |                     
            //   83674200             | and                 dword ptr [edi + 0x42], 0
            //   6a78                 | push                0x78

        $sequence_16 = { e8???????? 68e6010000 68???????? 6809080002 }
            // n = 4, score = 200
            //   e8????????           |                     
            //   68e6010000           | push                0x1e6
            //   68????????           |                     
            //   6809080002           | push                0x2000809

        $sequence_17 = { 2501000080 7905 48 83c8fe 40 ff75f4 f7d8 }
            // n = 7, score = 200
            //   2501000080           | and                 eax, 0x80000001
            //   7905                 | jns                 7
            //   48                   | dec                 eax
            //   83c8fe               | or                  eax, 0xfffffffe
            //   40                   | inc                 eax
            //   ff75f4               | push                dword ptr [ebp - 0xc]
            //   f7d8                 | neg                 eax

        $sequence_18 = { ff750c 51 ff7508 ff15???????? 8bf8 3bfe 744a }
            // n = 7, score = 200
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   51                   | push                ecx
            //   ff7508               | push                dword ptr [ebp + 8]
            //   ff15????????         |                     
            //   8bf8                 | mov                 edi, eax
            //   3bfe                 | cmp                 edi, esi
            //   744a                 | je                  0x4c

        $sequence_19 = { 6813270000 6a04 5b 8bc6 c745f809080002 }
            // n = 5, score = 200
            //   6813270000           | push                0x2713
            //   6a04                 | push                4
            //   5b                   | pop                 ebx
            //   8bc6                 | mov                 eax, esi
            //   c745f809080002       | mov                 dword ptr [ebp - 8], 0x2000809

        $sequence_20 = { 6a14 eb18 81fb5a5c4156 740c }
            // n = 4, score = 200
            //   6a14                 | push                0x14
            //   eb18                 | jmp                 0x1a
            //   81fb5a5c4156         | cmp                 ebx, 0x56415c5a
            //   740c                 | je                  0xe

        $sequence_21 = { 3509080002 3d5c5b4550 740b 3d59495351 }
            // n = 4, score = 200
            //   3509080002           | xor                 eax, 0x2000809
            //   3d5c5b4550           | cmp                 eax, 0x50455b5c
            //   740b                 | je                  0xd
            //   3d59495351           | cmp                 eax, 0x51534959

        $sequence_22 = { 8d470c 50 c707000e0000 c7470809080002 }
            // n = 4, score = 200
            //   8d470c               | lea                 eax, [edi + 0xc]
            //   50                   | push                eax
            //   c707000e0000         | mov                 dword ptr [edi], 0xe00
            //   c7470809080002       | mov                 dword ptr [edi + 8], 0x2000809

    condition:
        7 of them and filesize < 319488
}