rule win_electric_powder_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.electric_powder."
        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.electric_powder"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { 83c408 eb02 32db 8b8d6cffffff 85c9 }
            // n = 5, score = 100
            //   83c408               | add                 esp, 8
            //   eb02                 | jmp                 4
            //   32db                 | xor                 bl, bl
            //   8b8d6cffffff         | mov                 ecx, dword ptr [ebp - 0x94]
            //   85c9                 | test                ecx, ecx

        $sequence_1 = { 0f1006 0f1185e8fbffff f30f7e4610 660fd685f8fbffff c7461000000000 c746140f000000 c60600 }
            // n = 7, score = 100
            //   0f1006               | movups              xmm0, xmmword ptr [esi]
            //   0f1185e8fbffff       | movups              xmmword ptr [ebp - 0x418], xmm0
            //   f30f7e4610           | movq                xmm0, qword ptr [esi + 0x10]
            //   660fd685f8fbffff     | movq                qword ptr [ebp - 0x408], xmm0
            //   c7461000000000       | mov                 dword ptr [esi + 0x10], 0
            //   c746140f000000       | mov                 dword ptr [esi + 0x14], 0xf
            //   c60600               | mov                 byte ptr [esi], 0

        $sequence_2 = { 2bc1 d1f8 50 51 53 e8???????? 83c40c }
            // n = 7, score = 100
            //   2bc1                 | sub                 eax, ecx
            //   d1f8                 | sar                 eax, 1
            //   50                   | push                eax
            //   51                   | push                ecx
            //   53                   | push                ebx
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc

        $sequence_3 = { 8b5508 3bd0 0f839b010000 8b4604 8b4e04 8b44f804 }
            // n = 6, score = 100
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   3bd0                 | cmp                 edx, eax
            //   0f839b010000         | jae                 0x1a1
            //   8b4604               | mov                 eax, dword ptr [esi + 4]
            //   8b4e04               | mov                 ecx, dword ptr [esi + 4]
            //   8b44f804             | mov                 eax, dword ptr [eax + edi*8 + 4]

        $sequence_4 = { 014508 8975f0 85db 0f8f52ffffff 7c10 85ff 0f8548ffffff }
            // n = 7, score = 100
            //   014508               | add                 dword ptr [ebp + 8], eax
            //   8975f0               | mov                 dword ptr [ebp - 0x10], esi
            //   85db                 | test                ebx, ebx
            //   0f8f52ffffff         | jg                  0xffffff58
            //   7c10                 | jl                  0x12
            //   85ff                 | test                edi, edi
            //   0f8548ffffff         | jne                 0xffffff4e

        $sequence_5 = { a81f 0f8580000000 8b49fc 3bc8 7379 2bc1 83f804 }
            // n = 7, score = 100
            //   a81f                 | test                al, 0x1f
            //   0f8580000000         | jne                 0x86
            //   8b49fc               | mov                 ecx, dword ptr [ecx - 4]
            //   3bc8                 | cmp                 ecx, eax
            //   7379                 | jae                 0x7b
            //   2bc1                 | sub                 eax, ecx
            //   83f804               | cmp                 eax, 4

        $sequence_6 = { 50 e8???????? 8b8528efffff 83c40c 038530efffff 898528efffff 56 }
            // n = 7, score = 100
            //   50                   | push                eax
            //   e8????????           |                     
            //   8b8528efffff         | mov                 eax, dword ptr [ebp - 0x10d8]
            //   83c40c               | add                 esp, 0xc
            //   038530efffff         | add                 eax, dword ptr [ebp - 0x10d0]
            //   898528efffff         | mov                 dword ptr [ebp - 0x10d8], eax
            //   56                   | push                esi

        $sequence_7 = { c68500fcffff00 e8???????? c645fc2c 8d8dc0fcffff 6a00 68???????? c785d0fcffff00000000 }
            // n = 7, score = 100
            //   c68500fcffff00       | mov                 byte ptr [ebp - 0x400], 0
            //   e8????????           |                     
            //   c645fc2c             | mov                 byte ptr [ebp - 4], 0x2c
            //   8d8dc0fcffff         | lea                 ecx, [ebp - 0x340]
            //   6a00                 | push                0
            //   68????????           |                     
            //   c785d0fcffff00000000     | mov    dword ptr [ebp - 0x330], 0

        $sequence_8 = { 894de8 884dd8 8d4dd8 6a08 8845d7 c745ec0f000000 e8???????? }
            // n = 7, score = 100
            //   894de8               | mov                 dword ptr [ebp - 0x18], ecx
            //   884dd8               | mov                 byte ptr [ebp - 0x28], cl
            //   8d4dd8               | lea                 ecx, [ebp - 0x28]
            //   6a08                 | push                8
            //   8845d7               | mov                 byte ptr [ebp - 0x29], al
            //   c745ec0f000000       | mov                 dword ptr [ebp - 0x14], 0xf
            //   e8????????           |                     

        $sequence_9 = { 8bc8 85c9 783a 8b07 6683385d 7510 83c002 }
            // n = 7, score = 100
            //   8bc8                 | mov                 ecx, eax
            //   85c9                 | test                ecx, ecx
            //   783a                 | js                  0x3c
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   6683385d             | cmp                 word ptr [eax], 0x5d
            //   7510                 | jne                 0x12
            //   83c002               | add                 eax, 2

    condition:
        7 of them and filesize < 565248
}