rule win_mirage_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-05-16"
        version = "1"
        description = "Detects win.mirage."
        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.mirage"
        malpedia_rule_date = "20220513"
        malpedia_hash = "7f4b2229e6ae614d86d74917f6d5b41890e62a26"
        malpedia_version = "20220516"
        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 = { 68???????? c745f804010000 ff75fc ff15???????? }
            // n = 4, score = 200
            //   68????????           |                     
            //   c745f804010000       | mov                 dword ptr [ebp - 8], 0x104
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   ff15????????         |                     

        $sequence_1 = { 6a10 50 ff7620 ff15???????? 83f8ff 750d }
            // n = 6, score = 200
            //   6a10                 | push                0x10
            //   50                   | push                eax
            //   ff7620               | push                dword ptr [esi + 0x20]
            //   ff15????????         |                     
            //   83f8ff               | cmp                 eax, -1
            //   750d                 | jne                 0xf

        $sequence_2 = { 68???????? 6801000080 ff15???????? 85c0 7556 }
            // n = 5, score = 200
            //   68????????           |                     
            //   6801000080           | push                0x80000001
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   7556                 | jne                 0x58

        $sequence_3 = { 83c418 8d8dd0fcffff e8???????? 8bc7 895dfc 8db5bcbbffff e8???????? }
            // n = 7, score = 200
            //   83c418               | add                 esp, 0x18
            //   8d8dd0fcffff         | lea                 ecx, [ebp - 0x330]
            //   e8????????           |                     
            //   8bc7                 | mov                 eax, edi
            //   895dfc               | mov                 dword ptr [ebp - 4], ebx
            //   8db5bcbbffff         | lea                 esi, [ebp - 0x4444]
            //   e8????????           |                     

        $sequence_4 = { eb4c 83bd54ffffff02 753d a3???????? eb3c }
            // n = 5, score = 200
            //   eb4c                 | jmp                 0x4e
            //   83bd54ffffff02       | cmp                 dword ptr [ebp - 0xac], 2
            //   753d                 | jne                 0x3f
            //   a3????????           |                     
            //   eb3c                 | jmp                 0x3e

        $sequence_5 = { 7541 0fb68799010000 50 0fb68798010000 50 0fb68797010000 50 }
            // n = 7, score = 200
            //   7541                 | jne                 0x43
            //   0fb68799010000       | movzx               eax, byte ptr [edi + 0x199]
            //   50                   | push                eax
            //   0fb68798010000       | movzx               eax, byte ptr [edi + 0x198]
            //   50                   | push                eax
            //   0fb68797010000       | movzx               eax, byte ptr [edi + 0x197]
            //   50                   | push                eax

        $sequence_6 = { 8d85d4beffff 56 53 50 e8???????? }
            // n = 5, score = 200
            //   8d85d4beffff         | lea                 eax, [ebp - 0x412c]
            //   56                   | push                esi
            //   53                   | push                ebx
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_7 = { ff15???????? 385d0c 7416 8d8580feffff 50 8d857cfdffff 50 }
            // n = 7, score = 200
            //   ff15????????         |                     
            // 
            //   7416                 | je                  0x18
            //   8d8580feffff         | lea                 eax, [ebp - 0x180]
            //   50                   | push                eax
            //   8d857cfdffff         | lea                 eax, [ebp - 0x284]
            //   50                   | push                eax

        $sequence_8 = { 50 8d45f4 50 53 68???????? c745f804010000 }
            // n = 6, score = 200
            //   50                   | push                eax
            //   8d45f4               | lea                 eax, [ebp - 0xc]
            //   50                   | push                eax
            //   53                   | push                ebx
            //   68????????           |                     
            //   c745f804010000       | mov                 dword ptr [ebp - 8], 0x104

        $sequence_9 = { 59 8d451c 53 53 }
            // n = 4, score = 200
            //   59                   | pop                 ecx
            //   8d451c               | lea                 eax, [ebp + 0x1c]
            //   53                   | push                ebx
            //   53                   | push                ebx

        $sequence_10 = { 50 e8???????? 8945e0 ffd6 2bc3 }
            // n = 5, score = 200
            //   50                   | push                eax
            //   e8????????           |                     
            //   8945e0               | mov                 dword ptr [ebp - 0x20], eax
            //   ffd6                 | call                esi
            //   2bc3                 | sub                 eax, ebx

        $sequence_11 = { 48 0f85650b0000 ff75f0 e8???????? 85c0 59 0f852e060000 }
            // n = 7, score = 100
            //   48                   | dec                 eax
            //   0f85650b0000         | jne                 0xb6b
            //   ff75f0               | push                dword ptr [ebp - 0x10]
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   59                   | pop                 ecx
            //   0f852e060000         | jne                 0x634

        $sequence_12 = { 56 57 ff75fc 53 53 ff15???????? 6a01 }
            // n = 7, score = 100
            //   56                   | push                esi
            //   57                   | push                edi
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   53                   | push                ebx
            //   53                   | push                ebx
            //   ff15????????         |                     
            //   6a01                 | push                1

        $sequence_13 = { 83e864 0f8428010000 48 745c 48 0f85650b0000 }
            // n = 6, score = 100
            //   83e864               | sub                 eax, 0x64
            //   0f8428010000         | je                  0x12e
            //   48                   | dec                 eax
            //   745c                 | je                  0x5e
            //   48                   | dec                 eax
            //   0f85650b0000         | jne                 0xb6b

        $sequence_14 = { 8d4de0 e8???????? 33c0 eb0f 834dfcff 8d4de0 }
            // n = 6, score = 100
            //   8d4de0               | lea                 ecx, [ebp - 0x20]
            //   e8????????           |                     
            //   33c0                 | xor                 eax, eax
            //   eb0f                 | jmp                 0x11
            //   834dfcff             | or                  dword ptr [ebp - 4], 0xffffffff
            //   8d4de0               | lea                 ecx, [ebp - 0x20]

        $sequence_15 = { ff75f8 c745f001000000 8b10 50 ff5218 }
            // n = 5, score = 100
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   c745f001000000       | mov                 dword ptr [ebp - 0x10], 1
            //   8b10                 | mov                 edx, dword ptr [eax]
            //   50                   | push                eax
            //   ff5218               | call                dword ptr [edx + 0x18]

    condition:
        7 of them and filesize < 1695744
}