rule win_neteagle_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        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 = "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 = { 8d4c2420 889c2434020000 e8???????? 8b442414 85c0 7406 8b08 }
            // n = 7, score = 100
            //   8d4c2420             | lea                 ecx, [esp + 0x20]
            //   889c2434020000       | mov                 byte ptr [esp + 0x234], bl
            //   e8????????           |                     
            //   8b442414             | mov                 eax, dword ptr [esp + 0x14]
            //   85c0                 | test                eax, eax
            //   7406                 | je                  8
            //   8b08                 | mov                 ecx, dword ptr [eax]

        $sequence_1 = { e8???????? 33c0 8b4c2428 64890d00000000 5f 5e 5d }
            // n = 7, score = 100
            //   e8????????           |                     
            //   33c0                 | xor                 eax, eax
            //   8b4c2428             | mov                 ecx, dword ptr [esp + 0x28]
            //   64890d00000000       | mov                 dword ptr fs:[0], ecx
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5d                   | pop                 ebp

        $sequence_2 = { 8d4c2434 c644247402 e8???????? 8d4c2418 8bf8 c644246c01 e8???????? }
            // n = 7, score = 100
            //   8d4c2434             | lea                 ecx, [esp + 0x34]
            //   c644247402           | mov                 byte ptr [esp + 0x74], 2
            //   e8????????           |                     
            //   8d4c2418             | lea                 ecx, [esp + 0x18]
            //   8bf8                 | mov                 edi, eax
            //   c644246c01           | mov                 byte ptr [esp + 0x6c], 1
            //   e8????????           |                     

        $sequence_3 = { 8bfc 50 f3a5 e8???????? 8b8c24b4000000 8b9424a8000000 03d1 }
            // n = 7, score = 100
            //   8bfc                 | mov                 edi, esp
            //   50                   | push                eax
            //   f3a5                 | rep movsd           dword ptr es:[edi], dword ptr [esi]
            //   e8????????           |                     
            //   8b8c24b4000000       | mov                 ecx, dword ptr [esp + 0xb4]
            //   8b9424a8000000       | mov                 edx, dword ptr [esp + 0xa8]
            //   03d1                 | add                 edx, ecx

        $sequence_4 = { 8b442420 8d542424 51 8b4c241c 52 53 }
            // n = 6, score = 100
            //   8b442420             | mov                 eax, dword ptr [esp + 0x20]
            //   8d542424             | lea                 edx, [esp + 0x24]
            //   51                   | push                ecx
            //   8b4c241c             | mov                 ecx, dword ptr [esp + 0x1c]
            //   52                   | push                edx
            //   53                   | push                ebx

        $sequence_5 = { 53 ffd5 8b15???????? 8b0d???????? c644041c00 51 8b8284000000 }
            // n = 7, score = 100
            //   53                   | push                ebx
            //   ffd5                 | call                ebp
            //   8b15????????         |                     
            //   8b0d????????         |                     
            //   c644041c00           | mov                 byte ptr [esp + eax + 0x1c], 0
            //   51                   | push                ecx
            //   8b8284000000         | mov                 eax, dword ptr [edx + 0x84]

        $sequence_6 = { 8bc6 8b7d10 8907 8345fc04 }
            // n = 4, score = 100
            //   8bc6                 | mov                 eax, esi
            //   8b7d10               | mov                 edi, dword ptr [ebp + 0x10]
            //   8907                 | mov                 dword ptr [edi], eax
            //   8345fc04             | add                 dword ptr [ebp - 4], 4

        $sequence_7 = { 8d4c2430 85c0 0f94c3 e8???????? 84db 0f8414010000 }
            // n = 6, score = 100
            //   8d4c2430             | lea                 ecx, [esp + 0x30]
            //   85c0                 | test                eax, eax
            //   0f94c3               | sete                bl
            //   e8????????           |                     
            //   84db                 | test                bl, bl
            //   0f8414010000         | je                  0x11a

        $sequence_8 = { 66c745a00200 ff15???????? 8b4de0 8d55a0 6a10 668945a2 52 }
            // n = 7, score = 100
            //   66c745a00200         | mov                 word ptr [ebp - 0x60], 2
            //   ff15????????         |                     
            //   8b4de0               | mov                 ecx, dword ptr [ebp - 0x20]
            //   8d55a0               | lea                 edx, [ebp - 0x60]
            //   6a10                 | push                0x10
            //   668945a2             | mov                 word ptr [ebp - 0x5e], ax
            //   52                   | push                edx

        $sequence_9 = { 8d4c2420 c78424300c0000ffffffff e8???????? 8b8c24280c0000 5e 5d 64890d00000000 }
            // n = 7, score = 100
            //   8d4c2420             | lea                 ecx, [esp + 0x20]
            //   c78424300c0000ffffffff     | mov    dword ptr [esp + 0xc30], 0xffffffff
            //   e8????????           |                     
            //   8b8c24280c0000       | mov                 ecx, dword ptr [esp + 0xc28]
            //   5e                   | pop                 esi
            //   5d                   | pop                 ebp
            //   64890d00000000       | mov                 dword ptr fs:[0], ecx

    condition:
        7 of them and filesize < 262144
}