rule win_neteagle_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-04-08"
        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 = "20220405"
        malpedia_hash = "ecd38294bd47d5589be5cd5490dc8bb4804afc2a"
        malpedia_version = "20220411"
        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 = { 8d4ddc e8???????? 8b4d0c 8b55b3 8b7508 8d45dc 8911 }
            // n = 7, score = 100
            //   8d4ddc               | lea                 ecx, dword ptr [ebp - 0x24]
            //   e8????????           |                     
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   8b55b3               | mov                 edx, dword ptr [ebp - 0x4d]
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   8d45dc               | lea                 eax, dword ptr [ebp - 0x24]
            //   8911                 | mov                 dword ptr [ecx], edx

        $sequence_1 = { 89742414 eb04 8b742414 8d4c2410 e8???????? 8b4e10 }
            // n = 6, score = 100
            //   89742414             | mov                 dword ptr [esp + 0x14], esi
            //   eb04                 | jmp                 6
            //   8b742414             | mov                 esi, dword ptr [esp + 0x14]
            //   8d4c2410             | lea                 ecx, dword ptr [esp + 0x10]
            //   e8????????           |                     
            //   8b4e10               | mov                 ecx, dword ptr [esi + 0x10]

        $sequence_2 = { 03ce 03c8 88542901 8b5324 8b4c2410 03d6 }
            // n = 6, score = 100
            //   03ce                 | add                 ecx, esi
            //   03c8                 | add                 ecx, eax
            //   88542901             | mov                 byte ptr [ecx + ebp + 1], dl
            //   8b5324               | mov                 edx, dword ptr [ebx + 0x24]
            //   8b4c2410             | mov                 ecx, dword ptr [esp + 0x10]
            //   03d6                 | add                 edx, esi

        $sequence_3 = { 85c0 751b 8b7508 68???????? 8bce }
            // n = 5, score = 100
            //   85c0                 | test                eax, eax
            //   751b                 | jne                 0x1d
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   68????????           |                     
            //   8bce                 | mov                 ecx, esi

        $sequence_4 = { 57 8b4610 50 e8???????? 8bf8 85ff 746c }
            // n = 7, score = 100
            //   57                   | push                edi
            //   8b4610               | mov                 eax, dword ptr [esi + 0x10]
            //   50                   | push                eax
            //   e8????????           |                     
            //   8bf8                 | mov                 edi, eax
            //   85ff                 | test                edi, edi
            //   746c                 | je                  0x6e

        $sequence_5 = { c645fc03 e8???????? c645fc01 e8???????? 51 }
            // n = 5, score = 100
            //   c645fc03             | mov                 byte ptr [ebp - 4], 3
            //   e8????????           |                     
            //   c645fc01             | mov                 byte ptr [ebp - 4], 1
            //   e8????????           |                     
            //   51                   | push                ecx

        $sequence_6 = { f3a5 8bc8 83e103 f3a4 8bbd3cfbffff 83c9ff }
            // n = 6, score = 100
            //   f3a5                 | rep movsd           dword ptr es:[edi], dword ptr [esi]
            //   8bc8                 | mov                 ecx, eax
            //   83e103               | and                 ecx, 3
            //   f3a4                 | rep movsb           byte ptr es:[edi], byte ptr [esi]
            //   8bbd3cfbffff         | mov                 edi, dword ptr [ebp - 0x4c4]
            //   83c9ff               | or                  ecx, 0xffffffff

        $sequence_7 = { 85db 0f844c010000 8d4c2410 e8???????? 8b4524 83c6f8 56 }
            // n = 7, score = 100
            //   85db                 | test                ebx, ebx
            //   0f844c010000         | je                  0x152
            //   8d4c2410             | lea                 ecx, dword ptr [esp + 0x10]
            //   e8????????           |                     
            //   8b4524               | mov                 eax, dword ptr [ebp + 0x24]
            //   83c6f8               | add                 esi, -8
            //   56                   | push                esi

        $sequence_8 = { 8d4c2418 885c240c e8???????? 8d4c241c c744240cffffffff e8???????? }
            // n = 6, score = 100
            //   8d4c2418             | lea                 ecx, dword ptr [esp + 0x18]
            //   885c240c             | mov                 byte ptr [esp + 0xc], bl
            //   e8????????           |                     
            //   8d4c241c             | lea                 ecx, dword ptr [esp + 0x1c]
            //   c744240cffffffff     | mov                 dword ptr [esp + 0xc], 0xffffffff
            //   e8????????           |                     

        $sequence_9 = { 8d6c241c 8b7500 8bc2 8a18 8acb 3a1e }
            // n = 6, score = 100
            //   8d6c241c             | lea                 ebp, dword ptr [esp + 0x1c]
            //   8b7500               | mov                 esi, dword ptr [ebp]
            //   8bc2                 | mov                 eax, edx
            //   8a18                 | mov                 bl, byte ptr [eax]
            //   8acb                 | mov                 cl, bl
            //   3a1e                 | cmp                 bl, byte ptr [esi]

    condition:
        7 of them and filesize < 262144
}