rule win_prometei_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        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 = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        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 = { 011d???????? 03c8 8b5de4 a1???????? }
            // n = 4, score = 100
            //   011d????????         |                     
            //   03c8                 | add                 ecx, eax
            //   8b5de4               | mov                 ebx, dword ptr [ebp - 0x1c]
            //   a1????????           |                     

        $sequence_1 = { 0482 b02c dc8cbc6c1c55bb 8cc6 4b }
            // n = 5, score = 100
            //   0482                 | add                 al, 0x82
            //   b02c                 | mov                 al, 0x2c
            //   dc8cbc6c1c55bb       | fmul                qword ptr [esp + edi*4 - 0x44aae394]
            //   8cc6                 | mov                 esi, es
            //   4b                   | dec                 ebx

        $sequence_2 = { 2aba2191fab2 2125???????? 346d 2a91020a2292 b5fd }
            // n = 5, score = 100
            //   2aba2191fab2         | sub                 bh, byte ptr [edx - 0x4d056edf]
            //   2125????????         |                     
            //   346d                 | xor                 al, 0x6d
            //   2a91020a2292         | sub                 dl, byte ptr [ecx - 0x6dddf5fe]
            //   b5fd                 | mov                 ch, 0xfd

        $sequence_3 = { 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_4 = { 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_5 = { 55 bb8c132400 4a af }
            // n = 4, score = 100
            //   55                   | push                ebp
            //   bb8c132400           | mov                 ebx, 0x24138c
            //   4a                   | dec                 edx
            //   af                   | scasd               eax, dword ptr es:[edi]

        $sequence_6 = { 8b75fc 894808 89500c b801000000 f745c000020000 0f44f8 8b45e0 }
            // n = 7, score = 100
            //   8b75fc               | mov                 esi, dword ptr [ebp - 4]
            //   894808               | mov                 dword ptr [eax + 8], ecx
            //   89500c               | mov                 dword ptr [eax + 0xc], edx
            //   b801000000           | mov                 eax, 1
            //   f745c000020000       | test                dword ptr [ebp - 0x40], 0x200
            //   0f44f8               | cmove               edi, eax
            //   8b45e0               | mov                 eax, dword ptr [ebp - 0x20]

        $sequence_7 = { f745c000020000 660f7f45b0 0f44f9 c745c000000000 33c9 897dd8 0fa2 }
            // n = 7, score = 100
            //   f745c000020000       | test                dword ptr [ebp - 0x40], 0x200
            //   660f7f45b0           | movdqa              xmmword ptr [ebp - 0x50], xmm0
            //   0f44f9               | cmove               edi, ecx
            //   c745c000000000       | mov                 dword ptr [ebp - 0x40], 0
            //   33c9                 | xor                 ecx, ecx
            //   897dd8               | mov                 dword ptr [ebp - 0x28], edi
            //   0fa2                 | cpuid               

        $sequence_8 = { 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_9 = { 83feff 741f 6a00 8d45d8 50 }
            // n = 5, score = 100
            //   83feff               | cmp                 esi, -1
            //   741f                 | je                  0x21
            //   6a00                 | push                0
            //   8d45d8               | lea                 eax, [ebp - 0x28]
            //   50                   | push                eax

        $sequence_10 = { 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_11 = { c745f800000000 33c9 c745c000000000 53 }
            // n = 4, score = 100
            //   c745f800000000       | mov                 dword ptr [ebp - 8], 0
            //   33c9                 | xor                 ecx, ecx
            //   c745c000000000       | mov                 dword ptr [ebp - 0x40], 0
            //   53                   | push                ebx

        $sequence_12 = { 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_13 = { 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_14 = { 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_15 = { 7532 33c0 85ff 742c 8b75d8 03f2 0fbe5405b8 }
            // n = 7, score = 100
            //   7532                 | jne                 0x34
            //   33c0                 | xor                 eax, eax
            //   85ff                 | test                edi, edi
            //   742c                 | je                  0x2e
            //   8b75d8               | mov                 esi, dword ptr [ebp - 0x28]
            //   03f2                 | add                 esi, edx
            //   0fbe5405b8           | movsx               edx, byte ptr [ebp + eax - 0x48]

    condition:
        7 of them and filesize < 51014656
}