rule win_unidentified_096_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        version = "1"
        description = "Detects win.unidentified_096."
        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_096"
        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 = { e8???????? 83c418 c3 84c0 7418 }
            // n = 5, score = 100
            //   e8????????           |                     
            //   83c418               | add                 esp, 0x18
            //   c3                   | ret                 
            //   84c0                 | test                al, al
            //   7418                 | je                  0x1a

        $sequence_1 = { a2???????? eb3b b025 a2???????? eb32 b05e }
            // n = 6, score = 100
            //   a2????????           |                     
            //   eb3b                 | jmp                 0x3d
            //   b025                 | mov                 al, 0x25
            //   a2????????           |                     
            //   eb32                 | jmp                 0x34
            //   b05e                 | mov                 al, 0x5e

        $sequence_2 = { 25ffff0000 83c0d0 83f809 776a ff2485a4164000 b029 a2???????? }
            // n = 7, score = 100
            //   25ffff0000           | and                 eax, 0xffff
            //   83c0d0               | add                 eax, -0x30
            //   83f809               | cmp                 eax, 9
            //   776a                 | ja                  0x6c
            //   ff2485a4164000       | jmp                 dword ptr [eax*4 + 0x4016a4]
            //   b029                 | mov                 al, 0x29
            //   a2????????           |                     

        $sequence_3 = { eb08 85ff 8ac1 7c02 }
            // n = 4, score = 100
            //   eb08                 | jmp                 0xa
            //   85ff                 | test                edi, edi
            //   8ac1                 | mov                 al, cl
            //   7c02                 | jl                  4

        $sequence_4 = { 51 6a00 6803000010 53 }
            // n = 4, score = 100
            //   51                   | push                ecx
            //   6a00                 | push                0
            //   6803000010           | push                0x10000003
            //   53                   | push                ebx

        $sequence_5 = { 85ff 8ac1 7dd6 2c60 eb0b }
            // n = 5, score = 100
            //   85ff                 | test                edi, edi
            //   8ac1                 | mov                 al, cl
            //   7dd6                 | jge                 0xffffffd8
            //   2c60                 | sub                 al, 0x60
            //   eb0b                 | jmp                 0xd

        $sequence_6 = { 8bc8 8b442428 83c408 3d00010000 890d???????? c605????????00 }
            // n = 6, score = 100
            //   8bc8                 | mov                 ecx, eax
            //   8b442428             | mov                 eax, dword ptr [esp + 0x28]
            //   83c408               | add                 esp, 8
            //   3d00010000           | cmp                 eax, 0x100
            //   890d????????         |                     
            //   c605????????00       |                     

        $sequence_7 = { 83c404 85f6 751f 8b44241c 8b4c2414 }
            // n = 5, score = 100
            //   83c404               | add                 esp, 4
            //   85f6                 | test                esi, esi
            //   751f                 | jne                 0x21
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   8b4c2414             | mov                 ecx, dword ptr [esp + 0x14]

        $sequence_8 = { 56 e8???????? 8b4c2420 8b542418 }
            // n = 4, score = 100
            //   56                   | push                esi
            //   e8????????           |                     
            //   8b4c2420             | mov                 ecx, dword ptr [esp + 0x20]
            //   8b542418             | mov                 edx, dword ptr [esp + 0x18]

        $sequence_9 = { 83c424 8b4c242a 6683f930 0f8283000000 6683f939 777d }
            // n = 6, score = 100
            //   83c424               | add                 esp, 0x24
            //   8b4c242a             | mov                 ecx, dword ptr [esp + 0x2a]
            //   6683f930             | cmp                 cx, 0x30
            //   0f8283000000         | jb                  0x89
            //   6683f939             | cmp                 cx, 0x39
            //   777d                 | ja                  0x7f

    condition:
        7 of them and filesize < 25648
}