rule win_unidentified_078_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.unidentified_078."
        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.unidentified_078"
        malpedia_rule_date = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        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 = { 0f8d28020000 80fa0a 0f8417010000 7f39 80fa08 }
            // n = 5, score = 200
            //   0f8d28020000         | dec                 eax
            //   80fa0a               | mov                 ecx, ebx
            //   0f8417010000         | dec                 eax
            //   7f39                 | inc                 dword ptr [esp + 0x28]
            //   80fa08               | dec                 eax

        $sequence_1 = { 80f95c 7504 b201 ebde 80f92f 74f7 }
            // n = 6, score = 200
            //   80f95c               | inc                 ebp
            //   7504                 | mov                 eax, dword ptr [eax + 8]
            //   b201                 | dec                 esp
            //   ebde                 | jb                  0xb25
            //   80f92f               | dec                 eax
            //   74f7                 | sub                 ecx, 0x1000

        $sequence_2 = { 80fa28 0f8d94010000 80fa26 0f8f18010000 80fa23 }
            // n = 5, score = 200
            //   80fa28               | and                 edx, 0x1ff
            //   0f8d94010000         | jmp                 0x81
            //   80fa26               | je                  0xb8
            //   0f8f18010000         | dec                 eax
            //   80fa23               | cmp                 ebx, ecx

        $sequence_3 = { 80fa5b 7f3c 80fa28 0f8d94010000 80fa26 0f8f18010000 }
            // n = 6, score = 200
            //   80fa5b               | sub                 eax, ebp
            //   7f3c                 | inc                 ecx
            //   80fa28               | mov                 ebp, 0x19
            //   0f8d94010000         | inc                 ecx
            //   80fa26               | mov                 esi, 1
            //   0f8f18010000         | dec                 ecx

        $sequence_4 = { e9???????? 80fa0c 0f8412010000 0f8cee000000 80fa0d }
            // n = 5, score = 200
            //   e9????????           |                     
            //   80fa0c               | lea                 eax, [0x20716]
            //   0f8412010000         | dec                 eax
            //   0f8cee000000         | mov                 dword ptr [ebx], eax
            //   80fa0d               | inc                 ebp

        $sequence_5 = { 80fa26 0f8f18010000 80fa23 0f8d82010000 }
            // n = 4, score = 200
            //   80fa26               | mov                 eax, dword ptr [ecx]
            //   0f8f18010000         | dec                 eax
            //   80fa23               | add                 ebx, eax
            //   0f8d82010000         | dec                 esp

        $sequence_6 = { 0f8d28020000 80fa0a 0f8417010000 7f39 }
            // n = 4, score = 200
            //   0f8d28020000         | dec                 eax
            //   80fa0a               | jne                 0x2e1
            //   0f8417010000         | mov                 edx, 2
            //   7f39                 | dec                 eax

        $sequence_7 = { 84d2 89d6 0f883a020000 80fa21 0f8f8f000000 80fa20 0f8d28020000 }
            // n = 7, score = 200
            //   84d2                 | sub                 esp, 0x28
            //   89d6                 | mov                 ebp, 1
            //   0f883a020000         | dec                 eax
            //   80fa21               | push                edi
            //   0f8f8f000000         | push                esi
            //   80fa20               | push                ebx
            //   0f8d28020000         | dec                 eax

        $sequence_8 = { 0f8412010000 0f8cee000000 80fa0d 0f8421010000 80fa1b 0f8576010000 ba02000000 }
            // n = 7, score = 200
            //   0f8412010000         | dec                 esp
            //   0f8cee000000         | mov                 eax, eax
            //   80fa0d               | dec                 eax
            //   0f8421010000         | mov                 ecx, dword ptr [esp + 0x30]
            //   80fa1b               | mov                 edx, 1
            //   0f8576010000         | dec                 eax
            //   ba02000000           | lea                 edx, [0xc03b]

        $sequence_9 = { 5b 5e e9???????? ebc0 ebbe ebbc }
            // n = 6, score = 200
            //   5b                   | dec                 ecx
            //   5e                   | mov                 dword ptr [ebp + 0x3378], eax
            //   e9????????           |                     
            //   ebc0                 | test                al, al
            //   ebbe                 | je                  0x1156
            //   ebbc                 | dec                 ecx

    condition:
        7 of them and filesize < 688128
}