rule win_socelars_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-03-28"
        version = "1"
        description = "Detects win.socelars."
        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.socelars"
        malpedia_rule_date = "20230328"
        malpedia_hash = "9d2d75cef573c1c2d861f5197df8f563b05a305d"
        malpedia_version = "20230407"
        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???????? 83c404 90 8b8d34ffffff 51 e8???????? 83c404 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   90                   | nop                 
            //   8b8d34ffffff         | mov                 ecx, dword ptr [ebp - 0xcc]
            //   51                   | push                ecx
            //   e8????????           |                     
            //   83c404               | add                 esp, 4

        $sequence_1 = { f6462810 0f8592030000 50 ff761c 8b742444 ba0e000000 8bce }
            // n = 7, score = 100
            //   f6462810             | test                byte ptr [esi + 0x28], 0x10
            //   0f8592030000         | jne                 0x398
            //   50                   | push                eax
            //   ff761c               | push                dword ptr [esi + 0x1c]
            //   8b742444             | mov                 esi, dword ptr [esp + 0x44]
            //   ba0e000000           | mov                 edx, 0xe
            //   8bce                 | mov                 ecx, esi

        $sequence_2 = { f6458504 7451 8b9574ffffff 85d2 7443 8b8d70ffffff 85c9 }
            // n = 7, score = 100
            //   f6458504             | test                byte ptr [ebp - 0x7b], 4
            //   7451                 | je                  0x53
            //   8b9574ffffff         | mov                 edx, dword ptr [ebp - 0x8c]
            //   85d2                 | test                edx, edx
            //   7443                 | je                  0x45
            //   8b8d70ffffff         | mov                 ecx, dword ptr [ebp - 0x90]
            //   85c9                 | test                ecx, ecx

        $sequence_3 = { f20f100e eb2e f6c204 740f 8b5604 8b0e e8???????? }
            // n = 7, score = 100
            //   f20f100e             | movsd               xmm1, qword ptr [esi]
            //   eb2e                 | jmp                 0x30
            //   f6c204               | test                dl, 4
            //   740f                 | je                  0x11
            //   8b5604               | mov                 edx, dword ptr [esi + 4]
            //   8b0e                 | mov                 ecx, dword ptr [esi]
            //   e8????????           |                     

        $sequence_4 = { b8???????? eb05 8b4758 03c1 895008 ff06 8b07 }
            // n = 7, score = 100
            //   b8????????           |                     
            //   eb05                 | jmp                 7
            //   8b4758               | mov                 eax, dword ptr [edi + 0x58]
            //   03c1                 | add                 eax, ecx
            //   895008               | mov                 dword ptr [eax + 8], edx
            //   ff06                 | inc                 dword ptr [esi]
            //   8b07                 | mov                 eax, dword ptr [edi]

        $sequence_5 = { f77940 8bd0 8b5df8 8b4dec 03da 8b55f4 895df8 }
            // n = 7, score = 100
            //   f77940               | idiv                dword ptr [ecx + 0x40]
            //   8bd0                 | mov                 edx, eax
            //   8b5df8               | mov                 ebx, dword ptr [ebp - 8]
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   03da                 | add                 ebx, edx
            //   8b55f4               | mov                 edx, dword ptr [ebp - 0xc]
            //   895df8               | mov                 dword ptr [ebp - 8], ebx

        $sequence_6 = { 8b4c242c 83f940 744a 6a00 ff742414 83f921 ba???????? }
            // n = 7, score = 100
            //   8b4c242c             | mov                 ecx, dword ptr [esp + 0x2c]
            //   83f940               | cmp                 ecx, 0x40
            //   744a                 | je                  0x4c
            //   6a00                 | push                0
            //   ff742414             | push                dword ptr [esp + 0x14]
            //   83f921               | cmp                 ecx, 0x21
            //   ba????????           |                     

        $sequence_7 = { 8b4740 0b4744 ebd2 8b97c4000000 85d2 742a 8b4204 }
            // n = 7, score = 100
            //   8b4740               | mov                 eax, dword ptr [edi + 0x40]
            //   0b4744               | or                  eax, dword ptr [edi + 0x44]
            //   ebd2                 | jmp                 0xffffffd4
            //   8b97c4000000         | mov                 edx, dword ptr [edi + 0xc4]
            //   85d2                 | test                edx, edx
            //   742a                 | je                  0x2c
            //   8b4204               | mov                 eax, dword ptr [edx + 4]

        $sequence_8 = { ff74241c e8???????? 83c40c 8903 8b4630 85c0 7409 }
            // n = 7, score = 100
            //   ff74241c             | push                dword ptr [esp + 0x1c]
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8903                 | mov                 dword ptr [ebx], eax
            //   8b4630               | mov                 eax, dword ptr [esi + 0x30]
            //   85c0                 | test                eax, eax
            //   7409                 | je                  0xb

        $sequence_9 = { 894df8 8b402c 0fb74006 8d148514000000 8d04c9 8955f4 8d04c588000000 }
            // n = 7, score = 100
            //   894df8               | mov                 dword ptr [ebp - 8], ecx
            //   8b402c               | mov                 eax, dword ptr [eax + 0x2c]
            //   0fb74006             | movzx               eax, word ptr [eax + 6]
            //   8d148514000000       | lea                 edx, [eax*4 + 0x14]
            //   8d04c9               | lea                 eax, [ecx + ecx*8]
            //   8955f4               | mov                 dword ptr [ebp - 0xc], edx
            //   8d04c588000000       | lea                 eax, [eax*8 + 0x88]

    condition:
        7 of them and filesize < 2151424
}