rule win_sidewinder_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        version = "1"
        description = "Detects win.sidewinder."
        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.sidewinder"
        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 = { 68???????? ffb53cffffff ffb538ffffff e8???????? 8985bcfcffff eb07 83a5bcfcffff00 }
            // n = 7, score = 200
            //   68????????           |                     
            //   ffb53cffffff         | push                dword ptr [ebp - 0xc4]
            //   ffb538ffffff         | push                dword ptr [ebp - 0xc8]
            //   e8????????           |                     
            //   8985bcfcffff         | mov                 dword ptr [ebp - 0x344], eax
            //   eb07                 | jmp                 9
            //   83a5bcfcffff00       | and                 dword ptr [ebp - 0x344], 0

        $sequence_1 = { 6a64 ff7594 e8???????? 8985b8feffff e8???????? 33c0 83bdb8feffff00 }
            // n = 7, score = 200
            //   6a64                 | push                0x64
            //   ff7594               | push                dword ptr [ebp - 0x6c]
            //   e8????????           |                     
            //   8985b8feffff         | mov                 dword ptr [ebp - 0x148], eax
            //   e8????????           |                     
            //   33c0                 | xor                 eax, eax
            //   83bdb8feffff00       | cmp                 dword ptr [ebp - 0x148], 0

        $sequence_2 = { ff7044 6a01 e8???????? 8bc8 83c101 0f8080030000 e8???????? }
            // n = 7, score = 200
            //   ff7044               | push                dword ptr [eax + 0x44]
            //   6a01                 | push                1
            //   e8????????           |                     
            //   8bc8                 | mov                 ecx, eax
            //   83c101               | add                 ecx, 1
            //   0f8080030000         | jo                  0x386
            //   e8????????           |                     

        $sequence_3 = { 83a518feffff00 e9???????? 8d45ec 50 8d8518ffffff 50 68???????? }
            // n = 7, score = 200
            //   83a518feffff00       | and                 dword ptr [ebp - 0x1e8], 0
            //   e9????????           |                     
            //   8d45ec               | lea                 eax, [ebp - 0x14]
            //   50                   | push                eax
            //   8d8518ffffff         | lea                 eax, [ebp - 0xe8]
            //   50                   | push                eax
            //   68????????           |                     

        $sequence_4 = { 56 57 8965ec c745f0682b4000 c745f400000000 c745f800000000 8b5508 }
            // n = 7, score = 200
            //   56                   | push                esi
            //   57                   | push                edi
            //   8965ec               | mov                 dword ptr [ebp - 0x14], esp
            //   c745f0682b4000       | mov                 dword ptr [ebp - 0x10], 0x402b68
            //   c745f400000000       | mov                 dword ptr [ebp - 0xc], 0
            //   c745f800000000       | mov                 dword ptr [ebp - 8], 0
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]

        $sequence_5 = { 8945e0 ff75d8 e8???????? 8945cc e8???????? 8b45cc 8945d4 }
            // n = 7, score = 200
            //   8945e0               | mov                 dword ptr [ebp - 0x20], eax
            //   ff75d8               | push                dword ptr [ebp - 0x28]
            //   e8????????           |                     
            //   8945cc               | mov                 dword ptr [ebp - 0x34], eax
            //   e8????????           |                     
            //   8b45cc               | mov                 eax, dword ptr [ebp - 0x34]
            //   8945d4               | mov                 dword ptr [ebp - 0x2c], eax

        $sequence_6 = { 50 6a00 e8???????? 8d45d4 50 6a00 e8???????? }
            // n = 7, score = 200
            //   50                   | push                eax
            //   6a00                 | push                0
            //   e8????????           |                     
            //   8d45d4               | lea                 eax, [ebp - 0x2c]
            //   50                   | push                eax
            //   6a00                 | push                0
            //   e8????????           |                     

        $sequence_7 = { e8???????? 8d45c8 898568ffffff c78560ffffff08400000 6a00 8d8560ffffff 50 }
            // n = 7, score = 200
            //   e8????????           |                     
            //   8d45c8               | lea                 eax, [ebp - 0x38]
            //   898568ffffff         | mov                 dword ptr [ebp - 0x98], eax
            //   c78560ffffff08400000     | mov    dword ptr [ebp - 0xa0], 0x4008
            //   6a00                 | push                0
            //   8d8560ffffff         | lea                 eax, [ebp - 0xa0]
            //   50                   | push                eax

        $sequence_8 = { 50 e8???????? 8d45d0 50 e8???????? 8d4dcc e8???????? }
            // n = 7, score = 200
            //   50                   | push                eax
            //   e8????????           |                     
            //   8d45d0               | lea                 eax, [ebp - 0x30]
            //   50                   | push                eax
            //   e8????????           |                     
            //   8d4dcc               | lea                 ecx, [ebp - 0x34]
            //   e8????????           |                     

        $sequence_9 = { 0fbfc0 85c0 740b 66c745cc0800 e9???????? c74590a88b4000 c7458808800000 }
            // n = 7, score = 200
            //   0fbfc0               | movsx               eax, ax
            //   85c0                 | test                eax, eax
            //   740b                 | je                  0xd
            //   66c745cc0800         | mov                 word ptr [ebp - 0x34], 8
            //   e9????????           |                     
            //   c74590a88b4000       | mov                 dword ptr [ebp - 0x70], 0x408ba8
            //   c7458808800000       | mov                 dword ptr [ebp - 0x78], 0x8008

    condition:
        7 of them and filesize < 679936
}