rule win_neteagle_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        version = "1"
        description = "Detects win.neteagle."
        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.neteagle"
        malpedia_rule_date = "20221118"
        malpedia_hash = "e0702e2e6d1d00da65c8a29a4ebacd0a4c59e1af"
        malpedia_version = "20221125"
        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 = { 8bcf 895c2418 e8???????? 6800100000 6800100000 8bcf c644242001 }
            // n = 7, score = 100
            //   8bcf                 | mov                 ecx, edi
            //   895c2418             | mov                 dword ptr [esp + 0x18], ebx
            //   e8????????           |                     
            //   6800100000           | push                0x1000
            //   6800100000           | push                0x1000
            //   8bcf                 | mov                 ecx, edi
            //   c644242001           | mov                 byte ptr [esp + 0x20], 1

        $sequence_1 = { ff15???????? 8bf0 85f6 0f84ce000000 6a00 8d4c2430 6a20 }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi
            //   0f84ce000000         | je                  0xd4
            //   6a00                 | push                0
            //   8d4c2430             | lea                 ecx, [esp + 0x30]
            //   6a20                 | push                0x20

        $sequence_2 = { 50 e8???????? 8b15???????? a1???????? 83c410 8b4a24 890d???????? }
            // n = 7, score = 100
            //   50                   | push                eax
            //   e8????????           |                     
            //   8b15????????         |                     
            //   a1????????           |                     
            //   83c410               | add                 esp, 0x10
            //   8b4a24               | mov                 ecx, dword ptr [edx + 0x24]
            //   890d????????         |                     

        $sequence_3 = { bf???????? 8d4674 8a10 8aca 3a17 751c }
            // n = 6, score = 100
            //   bf????????           |                     
            //   8d4674               | lea                 eax, [esi + 0x74]
            //   8a10                 | mov                 dl, byte ptr [eax]
            //   8aca                 | mov                 cl, dl
            //   3a17                 | cmp                 dl, byte ptr [edi]
            //   751c                 | jne                 0x1e

        $sequence_4 = { 6a64 6a64 8d4c2428 c744245800000000 e8???????? 50 53 }
            // n = 7, score = 100
            //   6a64                 | push                0x64
            //   6a64                 | push                0x64
            //   8d4c2428             | lea                 ecx, [esp + 0x28]
            //   c744245800000000     | mov                 dword ptr [esp + 0x58], 0
            //   e8????????           |                     
            //   50                   | push                eax
            //   53                   | push                ebx

        $sequence_5 = { 40 3914be 77f8 8bc7 8bfb }
            // n = 5, score = 100
            //   40                   | inc                 eax
            //   3914be               | cmp                 dword ptr [esi + edi*4], edx
            //   77f8                 | ja                  0xfffffffa
            //   8bc7                 | mov                 eax, edi
            //   8bfb                 | mov                 edi, ebx

        $sequence_6 = { 8d4db0 c645fc09 e8???????? 6a00 6a00 6a00 6a00 }
            // n = 7, score = 100
            //   8d4db0               | lea                 ecx, [ebp - 0x50]
            //   c645fc09             | mov                 byte ptr [ebp - 4], 9
            //   e8????????           |                     
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0

        $sequence_7 = { 8b3c9e 893c86 890c9e 8b750c 8b0c86 8b3c9e }
            // n = 6, score = 100
            //   8b3c9e               | mov                 edi, dword ptr [esi + ebx*4]
            //   893c86               | mov                 dword ptr [esi + eax*4], edi
            //   890c9e               | mov                 dword ptr [esi + ebx*4], ecx
            //   8b750c               | mov                 esi, dword ptr [ebp + 0xc]
            //   8b0c86               | mov                 ecx, dword ptr [esi + eax*4]
            //   8b3c9e               | mov                 edi, dword ptr [esi + ebx*4]

        $sequence_8 = { e8???????? 83c410 eb63 be???????? 8bc7 8a10 8aca }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c410               | add                 esp, 0x10
            //   eb63                 | jmp                 0x65
            //   be????????           |                     
            //   8bc7                 | mov                 eax, edi
            //   8a10                 | mov                 dl, byte ptr [eax]
            //   8aca                 | mov                 cl, dl

        $sequence_9 = { 8964242c 51 8d4c2434 e8???????? 8d542428 8bce 52 }
            // n = 7, score = 100
            //   8964242c             | mov                 dword ptr [esp + 0x2c], esp
            //   51                   | push                ecx
            //   8d4c2434             | lea                 ecx, [esp + 0x34]
            //   e8????????           |                     
            //   8d542428             | lea                 edx, [esp + 0x28]
            //   8bce                 | mov                 ecx, esi
            //   52                   | push                edx

    condition:
        7 of them and filesize < 262144
}