rule win_termite_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.termite."
        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.termite"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { 8b45f4 8b400c 8b55f4 8b5208 895008 8b4508 }
            // n = 6, score = 200
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   8b400c               | mov                 eax, dword ptr [eax + 0xc]
            //   8b55f4               | mov                 edx, dword ptr [ebp - 0xc]
            //   8b5208               | mov                 edx, dword ptr [edx + 8]
            //   895008               | mov                 dword ptr [eax + 8], edx
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]

        $sequence_1 = { 890424 e8???????? 8d45e8 8945ec 8b45e4 c744240804000000 89442404 }
            // n = 7, score = 200
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   8d45e8               | lea                 eax, [ebp - 0x18]
            //   8945ec               | mov                 dword ptr [ebp - 0x14], eax
            //   8b45e4               | mov                 eax, dword ptr [ebp - 0x1c]
            //   c744240804000000     | mov                 dword ptr [esp + 8], 4
            //   89442404             | mov                 dword ptr [esp + 4], eax

        $sequence_2 = { e8???????? 83ec04 c9 c3 55 89e5 81ecd8010000 }
            // n = 7, score = 200
            //   e8????????           |                     
            //   83ec04               | sub                 esp, 4
            //   c9                   | leave               
            //   c3                   | ret                 
            //   55                   | push                ebp
            //   89e5                 | mov                 ebp, esp
            //   81ecd8010000         | sub                 esp, 0x1d8

        $sequence_3 = { 837df400 7512 8b450c 890424 e8???????? b800000000 eb05 }
            // n = 7, score = 200
            //   837df400             | cmp                 dword ptr [ebp - 0xc], 0
            //   7512                 | jne                 0x14
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   b800000000           | mov                 eax, 0
            //   eb05                 | jmp                 7

        $sequence_4 = { 0f8461010000 a1???????? bb3f000000 8b35???????? c705????????00000000 c705????????00000000 8d5001 }
            // n = 7, score = 200
            //   0f8461010000         | je                  0x167
            //   a1????????           |                     
            //   bb3f000000           | mov                 ebx, 0x3f
            //   8b35????????         |                     
            //   c705????????00000000     |     
            //   c705????????00000000     |     
            //   8d5001               | lea                 edx, [eax + 1]

        $sequence_5 = { e8???????? 8945f4 8b4510 8944240c c744240806000000 c744240402000000 }
            // n = 6, score = 200
            //   e8????????           |                     
            //   8945f4               | mov                 dword ptr [ebp - 0xc], eax
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   8944240c             | mov                 dword ptr [esp + 0xc], eax
            //   c744240806000000     | mov                 dword ptr [esp + 8], 6
            //   c744240402000000     | mov                 dword ptr [esp + 4], 2

        $sequence_6 = { 8b00 890424 e8???????? 8b45f0 890424 e8???????? c745f000000000 }
            // n = 7, score = 200
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   c745f000000000       | mov                 dword ptr [ebp - 0x10], 0

        $sequence_7 = { c70424???????? e8???????? c704240a000000 e8???????? eb7f }
            // n = 5, score = 200
            //   c70424????????       |                     
            //   e8????????           |                     
            //   c704240a000000       | mov                 dword ptr [esp], 0xa
            //   e8????????           |                     
            //   eb7f                 | jmp                 0x81

        $sequence_8 = { 89442404 8b4508 890424 e8???????? 8945f4 837df402 741d }
            // n = 7, score = 200
            //   89442404             | mov                 dword ptr [esp + 4], eax
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   8945f4               | mov                 dword ptr [ebp - 0xc], eax
            //   837df402             | cmp                 dword ptr [ebp - 0xc], 2
            //   741d                 | je                  0x1f

        $sequence_9 = { 55 89e5 83ec38 c745f4ffffffff 8b4508 890424 }
            // n = 6, score = 200
            //   55                   | push                ebp
            //   89e5                 | mov                 ebp, esp
            //   83ec38               | sub                 esp, 0x38
            //   c745f4ffffffff       | mov                 dword ptr [ebp - 0xc], 0xffffffff
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   890424               | mov                 dword ptr [esp], eax

    condition:
        7 of them and filesize < 312320
}