rule win_prometei_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        version = "1"
        description = "Detects win.prometei."
        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.prometei"
        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 = { c745c000000000 53 0fa2 0f57c0 8bf3 660f7f45b0 }
            // n = 6, score = 100
            //   c745c000000000       | mov                 dword ptr [ebp - 0x40], 0
            //   53                   | push                ebx
            //   0fa2                 | cpuid               
            //   0f57c0               | xorps               xmm0, xmm0
            //   8bf3                 | mov                 esi, ebx
            //   660f7f45b0           | movdqa              xmmword ptr [ebp - 0x50], xmm0

        $sequence_1 = { 014360 8b45f4 014364 8b45e4 }
            // n = 4, score = 100
            //   014360               | add                 dword ptr [ebx + 0x60], eax
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   014364               | add                 dword ptr [ebx + 0x64], eax
            //   8b45e4               | mov                 eax, dword ptr [ebp - 0x1c]

        $sequence_2 = { 011d???????? 03c8 8b5de4 a1???????? }
            // n = 4, score = 100
            //   011d????????         |                     
            //   03c8                 | add                 ecx, eax
            //   8b5de4               | mov                 ebx, dword ptr [ebp - 0x1c]
            //   a1????????           |                     

        $sequence_3 = { 3001 85d2 740f 0175f0 }
            // n = 4, score = 100
            //   3001                 | xor                 byte ptr [ecx], al
            //   85d2                 | test                edx, edx
            //   740f                 | je                  0x11
            //   0175f0               | add                 dword ptr [ebp - 0x10], esi

        $sequence_4 = { 013d???????? 8b04b5c8054400 0500080000 3bc8 }
            // n = 4, score = 100
            //   013d????????         |                     
            //   8b04b5c8054400       | mov                 eax, dword ptr [esi*4 + 0x4405c8]
            //   0500080000           | add                 eax, 0x800
            //   3bc8                 | cmp                 ecx, eax

        $sequence_5 = { 014364 8b45e4 014368 5b }
            // n = 4, score = 100
            //   014364               | add                 dword ptr [ebx + 0x64], eax
            //   8b45e4               | mov                 eax, dword ptr [ebp - 0x1c]
            //   014368               | add                 dword ptr [ebx + 0x68], eax
            //   5b                   | pop                 ebx

        $sequence_6 = { 014354 8b45e8 014358 8b45f0 }
            // n = 4, score = 100
            //   014354               | add                 dword ptr [ebx + 0x54], eax
            //   8b45e8               | mov                 eax, dword ptr [ebp - 0x18]
            //   014358               | add                 dword ptr [ebx + 0x58], eax
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]

        $sequence_7 = { 014358 8b45f0 01435c 8b45fc }
            // n = 4, score = 100
            //   014358               | add                 dword ptr [ebx + 0x58], eax
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   01435c               | add                 dword ptr [ebx + 0x5c], eax
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]

        $sequence_8 = { 8bd1 0f44f8 8bc1 2bc7 2bd7 }
            // n = 5, score = 100
            //   8bd1                 | mov                 edx, ecx
            //   0f44f8               | cmove               edi, eax
            //   8bc1                 | mov                 eax, ecx
            //   2bc7                 | sub                 eax, edi
            //   2bd7                 | sub                 edx, edi

        $sequence_9 = { 01435c 8b45fc 014360 8b45f4 }
            // n = 4, score = 100
            //   01435c               | add                 dword ptr [ebx + 0x5c], eax
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   014360               | add                 dword ptr [ebx + 0x60], eax
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]

        $sequence_10 = { c4b093ae74d2 c18b315b92b5e0 a3???????? 14c3 9e }
            // n = 5, score = 100
            //   c4b093ae74d2         | les                 esi, ptr [eax - 0x2d8b516d]
            //   c18b315b92b5e0       | ror                 dword ptr [ebx - 0x4a6da4cf], 0xe0
            //   a3????????           |                     
            //   14c3                 | adc                 al, 0xc3
            //   9e                   | sahf                

        $sequence_11 = { 6a00 c745e073686c70 8b45e0 a3???????? 660fd605???????? c745e464613332 }
            // n = 6, score = 100
            //   6a00                 | push                0
            //   c745e073686c70       | mov                 dword ptr [ebp - 0x20], 0x706c6873
            //   8b45e0               | mov                 eax, dword ptr [ebp - 0x20]
            //   a3????????           |                     
            //   660fd605????????     |                     
            //   c745e464613332       | mov                 dword ptr [ebp - 0x1c], 0x32336164

        $sequence_12 = { 0fbe5405b8 0fb60e 3bca 7513 40 }
            // n = 5, score = 100
            //   0fbe5405b8           | movsx               edx, byte ptr [ebp + eax - 0x48]
            //   0fb60e               | movzx               ecx, byte ptr [esi]
            //   3bca                 | cmp                 ecx, edx
            //   7513                 | jne                 0x15
            //   40                   | inc                 eax

        $sequence_13 = { 3460 90 c0f0e6 16 88b027564c70 }
            // n = 5, score = 100
            //   3460                 | xor                 al, 0x60
            //   90                   | nop                 
            //   c0f0e6               | sal                 al, 0xe6
            //   16                   | push                ss
            //   88b027564c70         | mov                 byte ptr [eax + 0x704c5627], dh

        $sequence_14 = { 014368 81434400020000 c7434000000000 83534800 }
            // n = 4, score = 100
            //   014368               | add                 dword ptr [ebx + 0x68], eax
            //   81434400020000       | add                 dword ptr [ebx + 0x44], 0x200
            //   c7434000000000       | mov                 dword ptr [ebx + 0x40], 0
            //   83534800             | adc                 dword ptr [ebx + 0x48], 0

        $sequence_15 = { 8b75fc 8b45f8 85c0 7410 0175f4 42 }
            // n = 6, score = 100
            //   8b75fc               | mov                 esi, dword ptr [ebp - 4]
            //   8b45f8               | mov                 eax, dword ptr [ebp - 8]
            //   85c0                 | test                eax, eax
            //   7410                 | je                  0x12
            //   0175f4               | add                 dword ptr [ebp - 0xc], esi
            //   42                   | inc                 edx

    condition:
        7 of them and filesize < 51014656
}