rule win_socelars_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.socelars"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { 8b56fc 33c9 8b5ffc 85d2 0f94c1 33c0 85db }
            // n = 7, score = 100
            //   8b56fc               | mov                 edx, dword ptr [esi - 4]
            //   33c9                 | xor                 ecx, ecx
            //   8b5ffc               | mov                 ebx, dword ptr [edi - 4]
            //   85d2                 | test                edx, edx
            //   0f94c1               | sete                cl
            //   33c0                 | xor                 eax, eax
            //   85db                 | test                ebx, ebx

        $sequence_1 = { 89548808 c744880c00000000 c744881000000000 85d2 7441 8a4713 8844244f }
            // n = 7, score = 100
            //   89548808             | mov                 dword ptr [eax + ecx*4 + 8], edx
            //   c744880c00000000     | mov                 dword ptr [eax + ecx*4 + 0xc], 0
            //   c744881000000000     | mov                 dword ptr [eax + ecx*4 + 0x10], 0
            //   85d2                 | test                edx, edx
            //   7441                 | je                  0x43
            //   8a4713               | mov                 al, byte ptr [edi + 0x13]
            //   8844244f             | mov                 byte ptr [esp + 0x4f], al

        $sequence_2 = { eb09 51 e8???????? 83c404 837c242800 0f8580e9ffff 8b54241c }
            // n = 7, score = 100
            //   eb09                 | jmp                 0xb
            //   51                   | push                ecx
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   837c242800           | cmp                 dword ptr [esp + 0x28], 0
            //   0f8580e9ffff         | jne                 0xffffe986
            //   8b54241c             | mov                 edx, dword ptr [esp + 0x1c]

        $sequence_3 = { c1e903 8b55f4 0fb6040a 8b4dfc 83e107 ba01000000 d3e2 }
            // n = 7, score = 100
            //   c1e903               | shr                 ecx, 3
            //   8b55f4               | mov                 edx, dword ptr [ebp - 0xc]
            //   0fb6040a             | movzx               eax, byte ptr [edx + ecx]
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   83e107               | and                 ecx, 7
            //   ba01000000           | mov                 edx, 1
            //   d3e2                 | shl                 edx, cl

        $sequence_4 = { 8a44242b 3c09 7414 3c07 7410 8b4c2410 8b4178 }
            // n = 7, score = 100
            //   8a44242b             | mov                 al, byte ptr [esp + 0x2b]
            //   3c09                 | cmp                 al, 9
            //   7414                 | je                  0x16
            //   3c07                 | cmp                 al, 7
            //   7410                 | je                  0x12
            //   8b4c2410             | mov                 ecx, dword ptr [esp + 0x10]
            //   8b4178               | mov                 eax, dword ptr [ecx + 0x78]

        $sequence_5 = { 8d459c c7459c01000000 894580 8bd3 668b4508 8975b4 c745d4ffffffff }
            // n = 7, score = 100
            //   8d459c               | lea                 eax, [ebp - 0x64]
            //   c7459c01000000       | mov                 dword ptr [ebp - 0x64], 1
            //   894580               | mov                 dword ptr [ebp - 0x80], eax
            //   8bd3                 | mov                 edx, ebx
            //   668b4508             | mov                 ax, word ptr [ebp + 8]
            //   8975b4               | mov                 dword ptr [ebp - 0x4c], esi
            //   c745d4ffffffff       | mov                 dword ptr [ebp - 0x2c], 0xffffffff

        $sequence_6 = { 8b44241c 8d048504000000 2bc8 8b8788000000 8901 5f 5e }
            // n = 7, score = 100
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   8d048504000000       | lea                 eax, [eax*4 + 4]
            //   2bc8                 | sub                 ecx, eax
            //   8b8788000000         | mov                 eax, dword ptr [edi + 0x88]
            //   8901                 | mov                 dword ptr [ecx], eax
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi

        $sequence_7 = { b8???????? b9???????? 0f45c1 8987c8000000 8b45fc 85db 0f8469ffffff }
            // n = 7, score = 100
            //   b8????????           |                     
            //   b9????????           |                     
            //   0f45c1               | cmovne              eax, ecx
            //   8987c8000000         | mov                 dword ptr [edi + 0xc8], eax
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   85db                 | test                ebx, ebx
            //   0f8469ffffff         | je                  0xffffff6f

        $sequence_8 = { 8944242c 8b4204 8b00 89442418 85c9 7438 807e1402 }
            // n = 7, score = 100
            //   8944242c             | mov                 dword ptr [esp + 0x2c], eax
            //   8b4204               | mov                 eax, dword ptr [edx + 4]
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   89442418             | mov                 dword ptr [esp + 0x18], eax
            //   85c9                 | test                ecx, ecx
            //   7438                 | je                  0x3a
            //   807e1402             | cmp                 byte ptr [esi + 0x14], 2

        $sequence_9 = { 8b0e ff7608 52 8bd7 e8???????? 83c40c 85c0 }
            // n = 7, score = 100
            //   8b0e                 | mov                 ecx, dword ptr [esi]
            //   ff7608               | push                dword ptr [esi + 8]
            //   52                   | push                edx
            //   8bd7                 | mov                 edx, edi
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   85c0                 | test                eax, eax

    condition:
        7 of them and filesize < 2151424
}