rule win_comlook_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.comlook."
        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.comlook"
        malpedia_rule_date = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        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???????? 83c408 85c0 746a 8bcd c744241400000000 3bcf }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   85c0                 | test                eax, eax
            //   746a                 | je                  0x6c
            //   8bcd                 | mov                 ecx, ebp
            //   c744241400000000     | mov                 dword ptr [esp + 0x14], 0
            //   3bcf                 | cmp                 ecx, edi

        $sequence_1 = { 8d8d70ffffff e8???????? 6a0d 68???????? 8d4d90 e8???????? 6a0a }
            // n = 7, score = 100
            //   8d8d70ffffff         | lea                 ecx, [ebp - 0x90]
            //   e8????????           |                     
            //   6a0d                 | push                0xd
            //   68????????           |                     
            //   8d4d90               | lea                 ecx, [ebp - 0x70]
            //   e8????????           |                     
            //   6a0a                 | push                0xa

        $sequence_2 = { e9???????? 8db5ecfeffff e9???????? 8db52cffffff e9???????? 8b85bcfdffff 83e001 }
            // n = 7, score = 100
            //   e9????????           |                     
            //   8db5ecfeffff         | lea                 esi, [ebp - 0x114]
            //   e9????????           |                     
            //   8db52cffffff         | lea                 esi, [ebp - 0xd4]
            //   e9????????           |                     
            //   8b85bcfdffff         | mov                 eax, dword ptr [ebp - 0x244]
            //   83e001               | and                 eax, 1

        $sequence_3 = { ff15???????? 83c404 3bf4 e8???????? 8b5508 c7425000000000 33c0 }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   83c404               | add                 esp, 4
            //   3bf4                 | cmp                 esi, esp
            //   e8????????           |                     
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   c7425000000000       | mov                 dword ptr [edx + 0x50], 0
            //   33c0                 | xor                 eax, eax

        $sequence_4 = { e9???????? 8d7dd0 e9???????? 8d7dc4 e9???????? 8d4de0 e9???????? }
            // n = 7, score = 100
            //   e9????????           |                     
            //   8d7dd0               | lea                 edi, [ebp - 0x30]
            //   e9????????           |                     
            //   8d7dc4               | lea                 edi, [ebp - 0x3c]
            //   e9????????           |                     
            //   8d4de0               | lea                 ecx, [ebp - 0x20]
            //   e9????????           |                     

        $sequence_5 = { 8b4d08 89816c030000 e9???????? 8b55f8 8995ecfeffff 8b85ecfeffff 8b8decfeffff }
            // n = 7, score = 100
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   89816c030000         | mov                 dword ptr [ecx + 0x36c], eax
            //   e9????????           |                     
            //   8b55f8               | mov                 edx, dword ptr [ebp - 8]
            //   8995ecfeffff         | mov                 dword ptr [ebp - 0x114], edx
            //   8b85ecfeffff         | mov                 eax, dword ptr [ebp - 0x114]
            //   8b8decfeffff         | mov                 ecx, dword ptr [ebp - 0x114]

        $sequence_6 = { eb54 837d8c00 762e 8b4524 8b4d20 50 51 }
            // n = 7, score = 100
            //   eb54                 | jmp                 0x56
            //   837d8c00             | cmp                 dword ptr [ebp - 0x74], 0
            //   762e                 | jbe                 0x30
            //   8b4524               | mov                 eax, dword ptr [ebp + 0x24]
            //   8b4d20               | mov                 ecx, dword ptr [ebp + 0x20]
            //   50                   | push                eax
            //   51                   | push                ecx

        $sequence_7 = { a900040000 0f846a020000 83fd02 7d14 68eb050000 68???????? 68a0000000 }
            // n = 7, score = 100
            //   a900040000           | test                eax, 0x400
            //   0f846a020000         | je                  0x270
            //   83fd02               | cmp                 ebp, 2
            //   7d14                 | jge                 0x16
            //   68eb050000           | push                0x5eb
            //   68????????           |                     
            //   68a0000000           | push                0xa0

        $sequence_8 = { ffd2 8ac3 e9???????? 68???????? 8d4dd0 e8???????? 8d45a4 }
            // n = 7, score = 100
            //   ffd2                 | call                edx
            //   8ac3                 | mov                 al, bl
            //   e9????????           |                     
            //   68????????           |                     
            //   8d4dd0               | lea                 ecx, [ebp - 0x30]
            //   e8????????           |                     
            //   8d45a4               | lea                 eax, [ebp - 0x5c]

        $sequence_9 = { e9???????? 83bd30ffffff00 747c 81bd30ffffff12030900 7470 8bf4 8d4dcc }
            // n = 7, score = 100
            //   e9????????           |                     
            //   83bd30ffffff00       | cmp                 dword ptr [ebp - 0xd0], 0
            //   747c                 | je                  0x7e
            //   81bd30ffffff12030900     | cmp    dword ptr [ebp - 0xd0], 0x90312
            //   7470                 | je                  0x72
            //   8bf4                 | mov                 esi, esp
            //   8d4dcc               | lea                 ecx, [ebp - 0x34]

    condition:
        7 of them and filesize < 4553728
}