rule win_saint_bot_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        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 = "20230705"
        malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41"
        malpedia_version = "20230715"
        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 = { e8???????? 68???????? 8945e4 e8???????? 53 8945e0 }
            // n = 6, score = 100
            //   e8????????           |                     
            //   68????????           |                     
            //   8945e4               | mov                 dword ptr [ebp - 0x1c], eax
            //   e8????????           |                     
            //   53                   | push                ebx
            //   8945e0               | mov                 dword ptr [ebp - 0x20], eax

        $sequence_1 = { a3???????? 56 ffd7 ff75dc }
            // n = 4, score = 100
            //   a3????????           |                     
            //   56                   | push                esi
            //   ffd7                 | call                edi
            //   ff75dc               | push                dword ptr [ebp - 0x24]

        $sequence_2 = { 57 ff75f0 53 50 68e9fd0000 ff15???????? }
            // n = 6, score = 100
            //   57                   | push                edi
            //   ff75f0               | push                dword ptr [ebp - 0x10]
            //   53                   | push                ebx
            //   50                   | push                eax
            //   68e9fd0000           | push                0xfde9
            //   ff15????????         |                     

        $sequence_3 = { a3???????? 56 ffd7 a3???????? 8b35???????? }
            // n = 5, score = 100
            //   a3????????           |                     
            //   56                   | push                esi
            //   ffd7                 | call                edi
            //   a3????????           |                     
            //   8b35????????         |                     

        $sequence_4 = { 761d 03d2 6a02 52 }
            // n = 4, score = 100
            //   761d                 | jbe                 0x1f
            //   03d2                 | add                 edx, edx
            //   6a02                 | push                2
            //   52                   | push                edx

        $sequence_5 = { 57 e8???????? ff75f4 68e8030000 57 e8???????? 57 }
            // n = 7, score = 100
            //   57                   | push                edi
            //   e8????????           |                     
            //   ff75f4               | push                dword ptr [ebp - 0xc]
            //   68e8030000           | push                0x3e8
            //   57                   | push                edi
            //   e8????????           |                     
            //   57                   | push                edi

        $sequence_6 = { ff15???????? 8b45fc 47 3bf8 7ec4 8b7dec 85db }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   47                   | inc                 edi
            //   3bf8                 | cmp                 edi, eax
            //   7ec4                 | jle                 0xffffffc6
            //   8b7dec               | mov                 edi, dword ptr [ebp - 0x14]
            //   85db                 | test                ebx, ebx

        $sequence_7 = { e8???????? 68???????? 8945dc e8???????? ff75dc 8bd8 }
            // n = 6, score = 100
            //   e8????????           |                     
            //   68????????           |                     
            //   8945dc               | mov                 dword ptr [ebp - 0x24], eax
            //   e8????????           |                     
            //   ff75dc               | push                dword ptr [ebp - 0x24]
            //   8bd8                 | mov                 ebx, eax

        $sequence_8 = { ff75d8 a3???????? 53 ffd7 ff75dc a3???????? 53 }
            // n = 7, score = 100
            //   ff75d8               | push                dword ptr [ebp - 0x28]
            //   a3????????           |                     
            //   53                   | push                ebx
            //   ffd7                 | call                edi
            //   ff75dc               | push                dword ptr [ebp - 0x24]
            //   a3????????           |                     
            //   53                   | push                ebx

        $sequence_9 = { ffd7 ff75ec a3???????? 53 ffd7 a3???????? 8b45fc }
            // n = 7, score = 100
            //   ffd7                 | call                edi
            //   ff75ec               | push                dword ptr [ebp - 0x14]
            //   a3????????           |                     
            //   53                   | push                ebx
            //   ffd7                 | call                edi
            //   a3????????           |                     
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]

    condition:
        7 of them and filesize < 93184
}