rule win_coinminer_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        version = "1"
        description = "Detects win.coinminer."
        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.coinminer"
        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 = { ff742420 ff15???????? 83c604 83fe0c }
            // n = 4, score = 100
            //   ff742420             | push                dword ptr [esp + 0x20]
            //   ff15????????         |                     
            //   83c604               | add                 esi, 4
            //   83fe0c               | cmp                 esi, 0xc

        $sequence_1 = { 8b04c50c509000 5d c3 55 }
            // n = 4, score = 100
            //   8b04c50c509000       | mov                 eax, dword ptr [eax*8 + 0x90500c]
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   55                   | push                ebp

        $sequence_2 = { 897c240c 8bcf 89442408 0bc8 0f84c7000000 8d4c2430 }
            // n = 6, score = 100
            //   897c240c             | mov                 dword ptr [esp + 0xc], edi
            //   8bcf                 | mov                 ecx, edi
            //   89442408             | mov                 dword ptr [esp + 8], eax
            //   0bc8                 | or                  ecx, eax
            //   0f84c7000000         | je                  0xcd
            //   8d4c2430             | lea                 ecx, [esp + 0x30]

        $sequence_3 = { f3a5 f30f7f442460 c644243f00 33c0 }
            // n = 4, score = 100
            //   f3a5                 | rep movsd           dword ptr es:[edi], dword ptr [esi]
            //   f30f7f442460         | movdqu              xmmword ptr [esp + 0x60], xmm0
            //   c644243f00           | mov                 byte ptr [esp + 0x3f], 0
            //   33c0                 | xor                 eax, eax

        $sequence_4 = { 8944242c 85c0 0f849c000000 8d4c2438 51 6800100000 }
            // n = 6, score = 100
            //   8944242c             | mov                 dword ptr [esp + 0x2c], eax
            //   85c0                 | test                eax, eax
            //   0f849c000000         | je                  0xa2
            //   8d4c2438             | lea                 ecx, [esp + 0x38]
            //   51                   | push                ecx
            //   6800100000           | push                0x1000

        $sequence_5 = { 33c0 0f57c0 6689842450070000 33f6 660f13442440 }
            // n = 5, score = 100
            //   33c0                 | xor                 eax, eax
            //   0f57c0               | xorps               xmm0, xmm0
            //   6689842450070000     | mov                 word ptr [esp + 0x750], ax
            //   33f6                 | xor                 esi, esi
            //   660f13442440         | movlpd              qword ptr [esp + 0x40], xmm0

        $sequence_6 = { 897de4 85ff 750d 0f57c0 660f1345f8 e9???????? }
            // n = 6, score = 100
            //   897de4               | mov                 dword ptr [ebp - 0x1c], edi
            //   85ff                 | test                edi, edi
            //   750d                 | jne                 0xf
            //   0f57c0               | xorps               xmm0, xmm0
            //   660f1345f8           | movlpd              qword ptr [ebp - 8], xmm0
            //   e9????????           |                     

        $sequence_7 = { 6a00 ff15???????? 8bf0 85f6 7420 6a00 8d45f8 }
            // n = 7, score = 100
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi
            //   7420                 | je                  0x22
            //   6a00                 | push                0
            //   8d45f8               | lea                 eax, [ebp - 8]

        $sequence_8 = { 83ec0c 57 6a00 6a00 6a03 6a00 6a01 }
            // n = 7, score = 100
            //   83ec0c               | sub                 esp, 0xc
            //   57                   | push                edi
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a03                 | push                3
            //   6a00                 | push                0
            //   6a01                 | push                1

        $sequence_9 = { 50 ff742420 ff15???????? 8b7c242c 33f6 }
            // n = 5, score = 100
            //   50                   | push                eax
            //   ff742420             | push                dword ptr [esp + 0x20]
            //   ff15????????         |                     
            //   8b7c242c             | mov                 edi, dword ptr [esp + 0x2c]
            //   33f6                 | xor                 esi, esi

    condition:
        7 of them and filesize < 1523712
}