rule win_neteagle_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        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 = "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 = { 8b4664 85c0 741d 8b502c 8d4c2408 51 }
            // n = 6, score = 100
            //   8b4664               | mov                 eax, dword ptr [esi + 0x64]
            //   85c0                 | test                eax, eax
            //   741d                 | je                  0x1f
            //   8b502c               | mov                 edx, dword ptr [eax + 0x2c]
            //   8d4c2408             | lea                 ecx, [esp + 8]
            //   51                   | push                ecx

        $sequence_1 = { e8???????? 8b44241c 8d4e01 8b742410 8bd1 8b7824 03fb }
            // n = 7, score = 100
            //   e8????????           |                     
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   8d4e01               | lea                 ecx, [esi + 1]
            //   8b742410             | mov                 esi, dword ptr [esp + 0x10]
            //   8bd1                 | mov                 edx, ecx
            //   8b7824               | mov                 edi, dword ptr [eax + 0x24]
            //   03fb                 | add                 edi, ebx

        $sequence_2 = { 52 e8???????? 83c40c 8d442448 8d8c2464010000 6a03 50 }
            // n = 7, score = 100
            //   52                   | push                edx
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8d442448             | lea                 eax, [esp + 0x48]
            //   8d8c2464010000       | lea                 ecx, [esp + 0x164]
            //   6a03                 | push                3
            //   50                   | push                eax

        $sequence_3 = { e9???????? 8d8dd0f3ffff e9???????? 8d8dc8f3ffff e9???????? }
            // n = 5, score = 100
            //   e9????????           |                     
            //   8d8dd0f3ffff         | lea                 ecx, [ebp - 0xc30]
            //   e9????????           |                     
            //   8d8dc8f3ffff         | lea                 ecx, [ebp - 0xc38]
            //   e9????????           |                     

        $sequence_4 = { e8???????? 8b86040c0000 8d4c2414 51 c684245c01000001 8d1440 8d4cd610 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   8b86040c0000         | mov                 eax, dword ptr [esi + 0xc04]
            //   8d4c2414             | lea                 ecx, [esp + 0x14]
            //   51                   | push                ecx
            //   c684245c01000001     | mov                 byte ptr [esp + 0x15c], 1
            //   8d1440               | lea                 edx, [eax + eax*2]
            //   8d4cd610             | lea                 ecx, [esi + edx*8 + 0x10]

        $sequence_5 = { 8d44244c 8d8ba4000000 50 68???????? 51 e8???????? }
            // n = 6, score = 100
            //   8d44244c             | lea                 eax, [esp + 0x4c]
            //   8d8ba4000000         | lea                 ecx, [ebx + 0xa4]
            //   50                   | push                eax
            //   68????????           |                     
            //   51                   | push                ecx
            //   e8????????           |                     

        $sequence_6 = { f2ae f7d1 3bcb 7508 c7442420ffffffff 85db 0f86eb000000 }
            // n = 7, score = 100
            //   f2ae                 | repne scasb         al, byte ptr es:[edi]
            //   f7d1                 | not                 ecx
            //   3bcb                 | cmp                 ecx, ebx
            //   7508                 | jne                 0xa
            //   c7442420ffffffff     | mov                 dword ptr [esp + 0x20], 0xffffffff
            //   85db                 | test                ebx, ebx
            //   0f86eb000000         | jbe                 0xf1

        $sequence_7 = { eb0c 8b0d???????? 894c241c 8bf9 8b0d???????? 3bce }
            // n = 6, score = 100
            //   eb0c                 | jmp                 0xe
            //   8b0d????????         |                     
            //   894c241c             | mov                 dword ptr [esp + 0x1c], ecx
            //   8bf9                 | mov                 edi, ecx
            //   8b0d????????         |                     
            //   3bce                 | cmp                 ecx, esi

        $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 = { 50 6aff 51 57 6a00 ff15???????? }
            // n = 6, score = 100
            //   50                   | push                eax
            //   6aff                 | push                -1
            //   51                   | push                ecx
            //   57                   | push                edi
            //   6a00                 | push                0
            //   ff15????????         |                     

    condition:
        7 of them and filesize < 262144
}