rule win_electric_powder_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        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 = "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 = { c1e81f 03c2 8bd6 3daaaaaa0a 0f879b070000 8d0c40 c1e103 }
            // n = 7, score = 100
            //   c1e81f               | shr                 eax, 0x1f
            //   03c2                 | add                 eax, edx
            //   8bd6                 | mov                 edx, esi
            //   3daaaaaa0a           | cmp                 eax, 0xaaaaaaa
            //   0f879b070000         | ja                  0x7a1
            //   8d0c40               | lea                 ecx, [eax + eax*2]
            //   c1e103               | shl                 ecx, 3

        $sequence_1 = { 59 59 3bc7 7404 8bc3 eb17 8b461c }
            // n = 7, score = 100
            //   59                   | pop                 ecx
            //   59                   | pop                 ecx
            //   3bc7                 | cmp                 eax, edi
            //   7404                 | je                  6
            //   8bc3                 | mov                 eax, ebx
            //   eb17                 | jmp                 0x19
            //   8b461c               | mov                 eax, dword ptr [esi + 0x1c]

        $sequence_2 = { 3b4a14 7740 837a1408 8bc2 899548efffff 7208 8b02 }
            // n = 7, score = 100
            //   3b4a14               | cmp                 ecx, dword ptr [edx + 0x14]
            //   7740                 | ja                  0x42
            //   837a1408             | cmp                 dword ptr [edx + 0x14], 8
            //   8bc2                 | mov                 eax, edx
            //   899548efffff         | mov                 dword ptr [ebp - 0x10b8], edx
            //   7208                 | jb                  0xa
            //   8b02                 | mov                 eax, dword ptr [edx]

        $sequence_3 = { 83bd64faffff08 6a00 0f438550faffff 50 ff15???????? 83bd34fdffff10 }
            // n = 6, score = 100
            //   83bd64faffff08       | cmp                 dword ptr [ebp - 0x59c], 8
            //   6a00                 | push                0
            //   0f438550faffff       | cmovae              eax, dword ptr [ebp - 0x5b0]
            //   50                   | push                eax
            //   ff15????????         |                     
            //   83bd34fdffff10       | cmp                 dword ptr [ebp - 0x2cc], 0x10

        $sequence_4 = { 0f8698000000 8bd6 a81f 0f858e000000 8b49fc 3bc8 0f8383000000 }
            // n = 7, score = 100
            //   0f8698000000         | jbe                 0x9e
            //   8bd6                 | mov                 edx, esi
            //   a81f                 | test                al, 0x1f
            //   0f858e000000         | jne                 0x94
            //   8b49fc               | mov                 ecx, dword ptr [ecx - 4]
            //   3bc8                 | cmp                 ecx, eax
            //   0f8383000000         | jae                 0x89

        $sequence_5 = { 2930 8b411c 0130 8b45fc eb30 8b01 }
            // n = 6, score = 100
            //   2930                 | sub                 dword ptr [eax], esi
            //   8b411c               | mov                 eax, dword ptr [ecx + 0x1c]
            //   0130                 | add                 dword ptr [eax], esi
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   eb30                 | jmp                 0x32
            //   8b01                 | mov                 eax, dword ptr [ecx]

        $sequence_6 = { 07 854000 15854000c6 864000 8a8440008a8440 007585 40 }
            // n = 7, score = 100
            //   07                   | pop                 es
            //   854000               | test                dword ptr [eax], eax
            //   15854000c6           | adc                 eax, 0xc6004085
            //   864000               | xchg                byte ptr [eax], al
            //   8a8440008a8440       | mov                 al, byte ptr [eax + eax*2 + 0x40848a00]
            //   007585               | add                 byte ptr [ebp - 0x7b], dh
            //   40                   | inc                 eax

        $sequence_7 = { c7856cfbffff00000000 0f1007 c7857cf9ffff01000000 0f118558fbffff f30f7e4710 660fd68568fbffff c7471000000000 }
            // n = 7, score = 100
            //   c7856cfbffff00000000     | mov    dword ptr [ebp - 0x494], 0
            //   0f1007               | movups              xmm0, xmmword ptr [edi]
            //   c7857cf9ffff01000000     | mov    dword ptr [ebp - 0x684], 1
            //   0f118558fbffff       | movups              xmmword ptr [ebp - 0x4a8], xmm0
            //   f30f7e4710           | movq                xmm0, qword ptr [edi + 0x10]
            //   660fd68568fbffff     | movq                qword ptr [ebp - 0x498], xmm0
            //   c7471000000000       | mov                 dword ptr [edi + 0x10], 0

        $sequence_8 = { 8bc8 85c9 0f88bffeffff 8b4708 3945fc }
            // n = 5, score = 100
            //   8bc8                 | mov                 ecx, eax
            //   85c9                 | test                ecx, ecx
            //   0f88bffeffff         | js                  0xfffffec5
            //   8b4708               | mov                 eax, dword ptr [edi + 8]
            //   3945fc               | cmp                 dword ptr [ebp - 4], eax

        $sequence_9 = { 8d8d98efffff e8???????? 83bdacefffff08 8d8598efffff 8bb53cefffff 0f438598efffff 6800000001 }
            // n = 7, score = 100
            //   8d8d98efffff         | lea                 ecx, [ebp - 0x1068]
            //   e8????????           |                     
            //   83bdacefffff08       | cmp                 dword ptr [ebp - 0x1054], 8
            //   8d8598efffff         | lea                 eax, [ebp - 0x1068]
            //   8bb53cefffff         | mov                 esi, dword ptr [ebp - 0x10c4]
            //   0f438598efffff       | cmovae              eax, dword ptr [ebp - 0x1068]
            //   6800000001           | push                0x1000000

    condition:
        7 of them and filesize < 565248
}