rule win_telebot_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.telebot."
        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.telebot"
        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 = { c7442404???????? 893424 ffd3 83ec08 85c0 a3???????? 0f84ff040000 }
            // n = 7, score = 100
            //   c7442404????????     |                     
            //   893424               | mov                 dword ptr [esp], esi
            //   ffd3                 | call                ebx
            //   83ec08               | sub                 esp, 8
            //   85c0                 | test                eax, eax
            //   a3????????           |                     
            //   0f84ff040000         | je                  0x505

        $sequence_1 = { 01c6 83f91f 76e2 89cb 8b442424 39701c 0f849d0c0000 }
            // n = 7, score = 100
            //   01c6                 | add                 esi, eax
            //   83f91f               | cmp                 ecx, 0x1f
            //   76e2                 | jbe                 0xffffffe4
            //   89cb                 | mov                 ebx, ecx
            //   8b442424             | mov                 eax, dword ptr [esp + 0x24]
            //   39701c               | cmp                 dword ptr [eax + 0x1c], esi
            //   0f849d0c0000         | je                  0xca3

        $sequence_2 = { 7594 897c2404 c70424???????? e8???????? eb93 31c0 83c42c }
            // n = 7, score = 100
            //   7594                 | jne                 0xffffff96
            //   897c2404             | mov                 dword ptr [esp + 4], edi
            //   c70424????????       |                     
            //   e8????????           |                     
            //   eb93                 | jmp                 0xffffff95
            //   31c0                 | xor                 eax, eax
            //   83c42c               | add                 esp, 0x2c

        $sequence_3 = { c7401400800000 c7402000000000 c7403800000000 c7403c00000000 89506c 895050 89504c }
            // n = 7, score = 100
            //   c7401400800000       | mov                 dword ptr [eax + 0x14], 0x8000
            //   c7402000000000       | mov                 dword ptr [eax + 0x20], 0
            //   c7403800000000       | mov                 dword ptr [eax + 0x38], 0
            //   c7403c00000000       | mov                 dword ptr [eax + 0x3c], 0
            //   89506c               | mov                 dword ptr [eax + 0x6c], edx
            //   895050               | mov                 dword ptr [eax + 0x50], edx
            //   89504c               | mov                 dword ptr [eax + 0x4c], edx

        $sequence_4 = { c74424043c000000 8d7c241c 8b03 890424 e8???????? 8b03 c744240801000000 }
            // n = 7, score = 100
            //   c74424043c000000     | mov                 dword ptr [esp + 4], 0x3c
            //   8d7c241c             | lea                 edi, [esp + 0x1c]
            //   8b03                 | mov                 eax, dword ptr [ebx]
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   8b03                 | mov                 eax, dword ptr [ebx]
            //   c744240801000000     | mov                 dword ptr [esp + 8], 1

        $sequence_5 = { e9???????? 8b44241c 29c8 03442438 39ce }
            // n = 5, score = 100
            //   e9????????           |                     
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   29c8                 | sub                 eax, ecx
            //   03442438             | add                 eax, dword ptr [esp + 0x38]
            //   39ce                 | cmp                 esi, ecx

        $sequence_6 = { 0f84c8050000 c7442404???????? 893424 ffd3 83ec08 85c0 a3???????? }
            // n = 7, score = 100
            //   0f84c8050000         | je                  0x5ce
            //   c7442404????????     |                     
            //   893424               | mov                 dword ptr [esp], esi
            //   ffd3                 | call                ebx
            //   83ec08               | sub                 esp, 8
            //   85c0                 | test                eax, eax
            //   a3????????           |                     

        $sequence_7 = { 8d8a0f00ffff 81faf1ff0000 0f43d1 83c43c c1e210 5b 09d0 }
            // n = 7, score = 100
            //   8d8a0f00ffff         | lea                 ecx, [edx - 0xfff1]
            //   81faf1ff0000         | cmp                 edx, 0xfff1
            //   0f43d1               | cmovae              edx, ecx
            //   83c43c               | add                 esp, 0x3c
            //   c1e210               | shl                 edx, 0x10
            //   5b                   | pop                 ebx
            //   09d0                 | or                  eax, edx

        $sequence_8 = { 01ca 031424 03542424 03542428 01da 0154242c 3b442430 }
            // n = 7, score = 100
            //   01ca                 | add                 edx, ecx
            //   031424               | add                 edx, dword ptr [esp]
            //   03542424             | add                 edx, dword ptr [esp + 0x24]
            //   03542428             | add                 edx, dword ptr [esp + 0x28]
            //   01da                 | add                 edx, ebx
            //   0154242c             | add                 dword ptr [esp + 0x2c], edx
            //   3b442430             | cmp                 eax, dword ptr [esp + 0x30]

        $sequence_9 = { 01d6 39c8 77e3 89d8 896c2444 89cb 89c1 }
            // n = 7, score = 100
            //   01d6                 | add                 esi, edx
            //   39c8                 | cmp                 eax, ecx
            //   77e3                 | ja                  0xffffffe5
            //   89d8                 | mov                 eax, ebx
            //   896c2444             | mov                 dword ptr [esp + 0x44], ebp
            //   89cb                 | mov                 ebx, ecx
            //   89c1                 | mov                 ecx, eax

    condition:
        7 of them and filesize < 393216
}