rule win_albaniiutas_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.albaniiutas."
        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.albaniiutas"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { 8cd1 26037d3c de971c6b2958 51 03c7 a5 00d7 }
            // n = 7, score = 100
            //   8cd1                 | mov                 ecx, ss
            //   26037d3c             | add                 edi, dword ptr es:[ebp + 0x3c]
            //   de971c6b2958         | ficom               word ptr [edi + 0x58296b1c]
            //   51                   | push                ecx
            //   03c7                 | add                 eax, edi
            //   a5                   | movsd               dword ptr es:[edi], dword ptr [esi]
            //   00d7                 | add                 bh, dl

        $sequence_1 = { f7c200e00000 7416 8b4508 c74018201b0110 c74104513f0000 e9???????? }
            // n = 6, score = 100
            //   f7c200e00000         | test                edx, 0xe000
            //   7416                 | je                  0x18
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   c74018201b0110       | mov                 dword ptr [eax + 0x18], 0x10011b20
            //   c74104513f0000       | mov                 dword ptr [ecx + 4], 0x3f51
            //   e9????????           |                     

        $sequence_2 = { 8d45e4 50 ff35???????? c745e410000000 c705????????02000000 c745e802000000 c745ec07000000 }
            // n = 7, score = 100
            //   8d45e4               | lea                 eax, [ebp - 0x1c]
            //   50                   | push                eax
            //   ff35????????         |                     
            //   c745e410000000       | mov                 dword ptr [ebp - 0x1c], 0x10
            //   c705????????02000000     |     
            //   c745e802000000       | mov                 dword ptr [ebp - 0x18], 2
            //   c745ec07000000       | mov                 dword ptr [ebp - 0x14], 7

        $sequence_3 = { 6bf630 8b04bd90df0210 f644302880 741f }
            // n = 4, score = 100
            //   6bf630               | imul                esi, esi, 0x30
            //   8b04bd90df0210       | mov                 eax, dword ptr [edi*4 + 0x1002df90]
            //   f644302880           | test                byte ptr [eax + esi + 0x28], 0x80
            //   741f                 | je                  0x21

        $sequence_4 = { c745e0f07c0110 ebbb d9e8 8b4510 dd18 }
            // n = 5, score = 100
            //   c745e0f07c0110       | mov                 dword ptr [ebp - 0x20], 0x10017cf0
            //   ebbb                 | jmp                 0xffffffbd
            //   d9e8                 | fld1                
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   dd18                 | fstp                qword ptr [eax]

        $sequence_5 = { 7446 8b4508 c74018a81b0110 c74104513f0000 8b55fc 8b4104 }
            // n = 6, score = 100
            //   7446                 | je                  0x48
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   c74018a81b0110       | mov                 dword ptr [eax + 0x18], 0x10011ba8
            //   c74104513f0000       | mov                 dword ptr [ecx + 4], 0x3f51
            //   8b55fc               | mov                 edx, dword ptr [ebp - 4]
            //   8b4104               | mov                 eax, dword ptr [ecx + 4]

        $sequence_6 = { 34a3 92 8cca 716b }
            // n = 4, score = 100
            //   34a3                 | xor                 al, 0xa3
            //   92                   | xchg                eax, edx
            //   8cca                 | mov                 edx, cs
            //   716b                 | jno                 0x6d

        $sequence_7 = { 77d7 ac 79ac dd7d83 56 1d044c7f68 }
            // n = 6, score = 100
            //   77d7                 | ja                  0xffffffd9
            //   ac                   | lodsb               al, byte ptr [esi]
            //   79ac                 | jns                 0xffffffae
            //   dd7d83               | fnstsw              dword ptr [ebp - 0x7d]
            //   56                   | push                esi
            //   1d044c7f68           | sbb                 eax, 0x687f4c04

        $sequence_8 = { 6a00 6a00 a3???????? ff15???????? b801000000 8be5 5d }
            // n = 7, score = 100
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   a3????????           |                     
            //   ff15????????         |                     
            //   b801000000           | mov                 eax, 1
            //   8be5                 | mov                 esp, ebp
            //   5d                   | pop                 ebp

        $sequence_9 = { f30f7e0e 83e908 8d7608 660fd60f 8d7f08 8b048dd46a0010 }
            // n = 6, score = 100
            //   f30f7e0e             | movq                xmm1, qword ptr [esi]
            //   83e908               | sub                 ecx, 8
            //   8d7608               | lea                 esi, [esi + 8]
            //   660fd60f             | movq                qword ptr [edi], xmm1
            //   8d7f08               | lea                 edi, [edi + 8]
            //   8b048dd46a0010       | mov                 eax, dword ptr [ecx*4 + 0x10006ad4]

    condition:
        7 of them and filesize < 566272
}