rule win_electric_powder_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        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 = "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 = { 8d3442 8d9588fbffff 8bc6 0f439588fbffff 2bc2 89958cf9ffff }
            // n = 6, score = 100
            //   8d3442               | lea                 esi, [edx + eax*2]
            //   8d9588fbffff         | lea                 edx, [ebp - 0x478]
            //   8bc6                 | mov                 eax, esi
            //   0f439588fbffff       | cmovae              edx, dword ptr [ebp - 0x478]
            //   2bc2                 | sub                 eax, edx
            //   89958cf9ffff         | mov                 dword ptr [ebp - 0x674], edx

        $sequence_1 = { 52 50 8b08 ff512c 8d45a8 50 ffd6 }
            // n = 7, score = 100
            //   52                   | push                edx
            //   50                   | push                eax
            //   8b08                 | mov                 ecx, dword ptr [eax]
            //   ff512c               | call                dword ptr [ecx + 0x2c]
            //   8d45a8               | lea                 eax, [ebp - 0x58]
            //   50                   | push                eax
            //   ffd6                 | call                esi

        $sequence_2 = { c645fc37 8d8d28fbffff e8???????? 8d8d20fdffff c645fc38 51 8bd0 }
            // n = 7, score = 100
            //   c645fc37             | mov                 byte ptr [ebp - 4], 0x37
            //   8d8d28fbffff         | lea                 ecx, [ebp - 0x4d8]
            //   e8????????           |                     
            //   8d8d20fdffff         | lea                 ecx, [ebp - 0x2e0]
            //   c645fc38             | mov                 byte ptr [ebp - 4], 0x38
            //   51                   | push                ecx
            //   8bd0                 | mov                 edx, eax

        $sequence_3 = { 52 8b5610 03c7 50 e8???????? 8bf8 83c40c }
            // n = 7, score = 100
            //   52                   | push                edx
            //   8b5610               | mov                 edx, dword ptr [esi + 0x10]
            //   03c7                 | add                 eax, edi
            //   50                   | push                eax
            //   e8????????           |                     
            //   8bf8                 | mov                 edi, eax
            //   83c40c               | add                 esp, 0xc

        $sequence_4 = { f30f7e4610 660fd685f8fbffff c7461000000000 c746140f000000 c60600 8d8d30fcffff }
            // n = 6, score = 100
            //   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
            //   8d8d30fcffff         | lea                 ecx, [ebp - 0x3d0]

        $sequence_5 = { 0f848f010000 2b3e 8d4301 8945e0 b8abaaaa2a f7ef b8aaaaaa0a }
            // n = 7, score = 100
            //   0f848f010000         | je                  0x195
            //   2b3e                 | sub                 edi, dword ptr [esi]
            //   8d4301               | lea                 eax, [ebx + 1]
            //   8945e0               | mov                 dword ptr [ebp - 0x20], eax
            //   b8abaaaa2a           | mov                 eax, 0x2aaaaaab
            //   f7ef                 | imul                edi
            //   b8aaaaaa0a           | mov                 eax, 0xaaaaaaa

        $sequence_6 = { 56 8bf1 57 8b7d08 8b4608 8945f8 8b4614 }
            // n = 7, score = 100
            //   56                   | push                esi
            //   8bf1                 | mov                 esi, ecx
            //   57                   | push                edi
            //   8b7d08               | mov                 edi, dword ptr [ebp + 8]
            //   8b4608               | mov                 eax, dword ptr [esi + 8]
            //   8945f8               | mov                 dword ptr [ebp - 8], eax
            //   8b4614               | mov                 eax, dword ptr [esi + 0x14]

        $sequence_7 = { 660f56fa 660fc5cc03 25ff000000 83c001 25fe010000 f20f593c85785f4300 660f122c85785f4300 }
            // n = 7, score = 100
            //   660f56fa             | orpd                xmm7, xmm2
            //   660fc5cc03           | pextrw              ecx, xmm4, 3
            //   25ff000000           | and                 eax, 0xff
            //   83c001               | add                 eax, 1
            //   25fe010000           | and                 eax, 0x1fe
            //   f20f593c85785f4300     | mulsd    xmm7, qword ptr [eax*4 + 0x435f78]
            //   660f122c85785f4300     | movlpd    xmm5, qword ptr [eax*4 + 0x435f78]

        $sequence_8 = { 8bc1 81fa00100000 7220 8d7223 3bf2 764c 8bd6 }
            // n = 7, score = 100
            //   8bc1                 | mov                 eax, ecx
            //   81fa00100000         | cmp                 edx, 0x1000
            //   7220                 | jb                  0x22
            //   8d7223               | lea                 esi, [edx + 0x23]
            //   3bf2                 | cmp                 esi, edx
            //   764c                 | jbe                 0x4e
            //   8bd6                 | mov                 edx, esi

        $sequence_9 = { 50 8d8dd0fbffff e8???????? 81cf00020000 0f1000 0f118530fcffff f30f7e4010 }
            // n = 7, score = 100
            //   50                   | push                eax
            //   8d8dd0fbffff         | lea                 ecx, [ebp - 0x430]
            //   e8????????           |                     
            //   81cf00020000         | or                  edi, 0x200
            //   0f1000               | movups              xmm0, xmmword ptr [eax]
            //   0f118530fcffff       | movups              xmmword ptr [ebp - 0x3d0], xmm0
            //   f30f7e4010           | movq                xmm0, qword ptr [eax + 0x10]

    condition:
        7 of them and filesize < 565248
}