rule win_webc2_table_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.webc2_table."
        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.webc2_table"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { ff15???????? ff7710 ff15???????? 83c410 50 ff15???????? 57 }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   ff7710               | push                dword ptr [edi + 0x10]
            //   ff15????????         |                     
            //   83c410               | add                 esp, 0x10
            //   50                   | push                eax
            //   ff15????????         |                     
            //   57                   | push                edi

        $sequence_1 = { 3c6d 7f08 040d eb0a 3c6d 7e06 }
            // n = 6, score = 100
            //   3c6d                 | cmp                 al, 0x6d
            //   7f08                 | jg                  0xa
            //   040d                 | add                 al, 0xd
            //   eb0a                 | jmp                 0xc
            //   3c6d                 | cmp                 al, 0x6d
            //   7e06                 | jle                 8

        $sequence_2 = { 8d4ef4 83c70c 51 57 50 8945f4 }
            // n = 6, score = 100
            //   8d4ef4               | lea                 ecx, [esi - 0xc]
            //   83c70c               | add                 edi, 0xc
            //   51                   | push                ecx
            //   57                   | push                edi
            //   50                   | push                eax
            //   8945f4               | mov                 dword ptr [ebp - 0xc], eax

        $sequence_3 = { 33c0 395d08 7617 8a8c05f4f8ffff 80f133 888c05f4f4ffff }
            // n = 6, score = 100
            //   33c0                 | xor                 eax, eax
            //   395d08               | cmp                 dword ptr [ebp + 8], ebx
            //   7617                 | jbe                 0x19
            //   8a8c05f4f8ffff       | mov                 cl, byte ptr [ebp + eax - 0x70c]
            //   80f133               | xor                 cl, 0x33
            //   888c05f4f4ffff       | mov                 byte ptr [ebp + eax - 0xb0c], cl

        $sequence_4 = { f3ab 66ab aa 33c0 8d7dd9 }
            // n = 5, score = 100
            //   f3ab                 | rep stosd           dword ptr es:[edi], eax
            //   66ab                 | stosw               word ptr es:[edi], ax
            //   aa                   | stosb               byte ptr es:[edi], al
            //   33c0                 | xor                 eax, eax
            //   8d7dd9               | lea                 edi, [ebp - 0x27]

        $sequence_5 = { 8d45d8 50 8b45fc 68???????? ff30 ff15???????? 8d859cfdffff }
            // n = 7, score = 100
            //   8d45d8               | lea                 eax, [ebp - 0x28]
            //   50                   | push                eax
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   68????????           |                     
            //   ff30                 | push                dword ptr [eax]
            //   ff15????????         |                     
            //   8d859cfdffff         | lea                 eax, [ebp - 0x264]

        $sequence_6 = { 56 6a01 50 ffd7 83c444 }
            // n = 5, score = 100
            //   56                   | push                esi
            //   6a01                 | push                1
            //   50                   | push                eax
            //   ffd7                 | call                edi
            //   83c444               | add                 esp, 0x44

        $sequence_7 = { 50 e8???????? 8d8558ffffff 50 8d859cfdffff }
            // n = 5, score = 100
            //   50                   | push                eax
            //   e8????????           |                     
            //   8d8558ffffff         | lea                 eax, [ebp - 0xa8]
            //   50                   | push                eax
            //   8d859cfdffff         | lea                 eax, [ebp - 0x264]

        $sequence_8 = { e8???????? 8d85a0fcffff 50 8d85e4feffff 50 e8???????? 83c420 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   8d85a0fcffff         | lea                 eax, [ebp - 0x360]
            //   50                   | push                eax
            //   8d85e4feffff         | lea                 eax, [ebp - 0x11c]
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c420               | add                 esp, 0x20

        $sequence_9 = { 83c410 ff15???????? ffd6 8d45c4 50 8d85c0feffff }
            // n = 6, score = 100
            //   83c410               | add                 esp, 0x10
            //   ff15????????         |                     
            //   ffd6                 | call                esi
            //   8d45c4               | lea                 eax, [ebp - 0x3c]
            //   50                   | push                eax
            //   8d85c0feffff         | lea                 eax, [ebp - 0x140]

    condition:
        7 of them and filesize < 49152
}