rule win_saint_bot_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.saint_bot."
        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.saint_bot"
        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 = { 8bd8 85db 746d 56 ff7508 8bf7 e8???????? }
            // n = 7, score = 100
            //   8bd8                 | mov                 ebx, eax
            //   85db                 | test                ebx, ebx
            //   746d                 | je                  0x6f
            //   56                   | push                esi
            //   ff7508               | push                dword ptr [ebp + 8]
            //   8bf7                 | mov                 esi, edi
            //   e8????????           |                     

        $sequence_1 = { c3 56 57 bf04010000 57 6a00 }
            // n = 6, score = 100
            //   c3                   | ret                 
            //   56                   | push                esi
            //   57                   | push                edi
            //   bf04010000           | mov                 edi, 0x104
            //   57                   | push                edi
            //   6a00                 | push                0

        $sequence_2 = { 6a00 897dec ffd6 8bf0 85f6 }
            // n = 5, score = 100
            //   6a00                 | push                0
            //   897dec               | mov                 dword ptr [ebp - 0x14], edi
            //   ffd6                 | call                esi
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi

        $sequence_3 = { ffd7 ff75f8 a3???????? 56 ffd7 ff75f0 }
            // n = 6, score = 100
            //   ffd7                 | call                edi
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   a3????????           |                     
            //   56                   | push                esi
            //   ffd7                 | call                edi
            //   ff75f0               | push                dword ptr [ebp - 0x10]

        $sequence_4 = { 3bca 8bc2 0f42c1 50 ff75e8 56 ff15???????? }
            // n = 7, score = 100
            //   3bca                 | cmp                 ecx, edx
            //   8bc2                 | mov                 eax, edx
            //   0f42c1               | cmovb               eax, ecx
            //   50                   | push                eax
            //   ff75e8               | push                dword ptr [ebp - 0x18]
            //   56                   | push                esi
            //   ff15????????         |                     

        $sequence_5 = { 53 ff15???????? 6a02 53 ff15???????? 33db 53 }
            // n = 7, score = 100
            //   53                   | push                ebx
            //   ff15????????         |                     
            //   6a02                 | push                2
            //   53                   | push                ebx
            //   ff15????????         |                     
            //   33db                 | xor                 ebx, ebx
            //   53                   | push                ebx

        $sequence_6 = { ffd7 ff75f4 a3???????? 53 ffd7 ff75f0 }
            // n = 6, score = 100
            //   ffd7                 | call                edi
            //   ff75f4               | push                dword ptr [ebp - 0xc]
            //   a3????????           |                     
            //   53                   | push                ebx
            //   ffd7                 | call                edi
            //   ff75f0               | push                dword ptr [ebp - 0x10]

        $sequence_7 = { 68e6c00200 ff15???????? e8???????? 83f841 }
            // n = 4, score = 100
            //   68e6c00200           | push                0x2c0e6
            //   ff15????????         |                     
            //   e8????????           |                     
            //   83f841               | cmp                 eax, 0x41

        $sequence_8 = { ba???????? b9???????? 0f42ca 51 894dd4 e8???????? }
            // n = 6, score = 100
            //   ba????????           |                     
            //   b9????????           |                     
            //   0f42ca               | cmovb               ecx, edx
            //   51                   | push                ecx
            //   894dd4               | mov                 dword ptr [ebp - 0x2c], ecx
            //   e8????????           |                     

        $sequence_9 = { 68???????? e8???????? 6afa 68???????? 8bd8 e8???????? }
            // n = 6, score = 100
            //   68????????           |                     
            //   e8????????           |                     
            //   6afa                 | push                -6
            //   68????????           |                     
            //   8bd8                 | mov                 ebx, eax
            //   e8????????           |                     

    condition:
        7 of them and filesize < 93184
}