rule win_tellyouthepass_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.tellyouthepass."
        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.tellyouthepass"
        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 = { bb01000000 e8???????? 84c0 0f8498040000 488b842480010000 488b4c2438 488b5c2440 }
            // n = 7, score = 100
            //   bb01000000           | dec                 eax
            //   e8????????           |                     
            //   84c0                 | cmp                 ecx, esi
            //   0f8498040000         | jbe                 0x10c1
            //   488b842480010000     | dec                 eax
            //   488b4c2438           | mov                 dword ptr [esp + 0x18], esi
            //   488b5c2440           | dec                 eax

        $sequence_1 = { 488d056aa70800 e8???????? 4889442468 488b4c2430 488908 488b542448 488b742438 }
            // n = 7, score = 100
            //   488d056aa70800       | add                 esp, 0x280
            //   e8????????           |                     
            //   4889442468           | ret                 
            //   488b4c2430           | dec                 eax
            //   488908               | lea                 ebx, [0x103ae2]
            //   488b542448           | dec                 eax
            //   488b742438           | lea                 ecx, [0xff29b]

        $sequence_2 = { 4c89ce 4d89d1 4889842490000000 4c894c2450 48895c2420 730a be00002000 }
            // n = 7, score = 100
            //   4c89ce               | dec                 eax
            //   4d89d1               | mov                 dword ptr [esp + 0xa8], esi
            //   4889842490000000     | dec                 eax
            //   4c894c2450           | mov                 edi, dword ptr [eax + 0x118]
            //   48895c2420           | dec                 eax
            //   730a                 | mov                 dword ptr [esp + 0xa0], edi
            //   be00002000           | dec                 eax

        $sequence_3 = { 4c894c2438 488d05449b0f00 4c89cb 4889d9 e8???????? 488b4c2438 48894c2460 }
            // n = 7, score = 100
            //   4c894c2438           | mov                 dword ptr [esp + 0x460], ebp
            //   488d05449b0f00       | dec                 eax
            //   4c89cb               | mov                 dword ptr [esp + 0x468], ecx
            //   4889d9               | dec                 eax
            //   e8????????           |                     
            //   488b4c2438           | mov                 dword ptr [esp + 0x150], edx
            //   48894c2460           | dec                 eax

        $sequence_4 = { e8???????? 48c70017000000 488d0555210700 488b5c2430 488d0d53930900 bf03000000 0f1f4000 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   48c70017000000       | mov                 edx, dword ptr [esp + 0x48]
            //   488d0555210700       | mov                 byte ptr [eax + edx], 0x29
            //   488b5c2430           | dec                 eax
            //   488d0d53930900       | lea                 eax, [0x68fa4]
            //   bf03000000           | dec                 eax
            //   0f1f4000             | mov                 ebx, edi

        $sequence_5 = { e8???????? 4889c3 49897050 4d894858 49894860 49c7401019000000 833d????????00 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   4889c3               | dec                 eax
            //   49897050             | mov                 ecx, dword ptr [esp + 0x50]
            //   4d894858             | dec                 eax
            //   49894860             | sub                 eax, ecx
            //   49c7401019000000     | dec                 eax
            //   833d????????00       |                     

        $sequence_6 = { e8???????? 488b442430 e8???????? 488d054f0c1800 bb07000000 0f1f440000 e8???????? }
            // n = 7, score = 100
            //   e8????????           |                     
            //   488b442430           | dec                 esp
            //   e8????????           |                     
            //   488d054f0c1800       | mov                 ecx, eax
            //   bb07000000           | dec                 eax
            //   0f1f440000           | mov                 ebx, dword ptr [esp + 0xa0]
            //   e8????????           |                     

        $sequence_7 = { c3 488d05f0360d00 488b5c2450 488b8c24b8010000 0f1f00 e8???????? 4885c0 }
            // n = 7, score = 100
            //   c3                   | mov                 ebp, dword ptr [esp + 0x278]
            //   488d05f0360d00       | dec                 eax
            //   488b5c2450           | add                 esp, 0x280
            //   488b8c24b8010000     | ret                 
            //   0f1f00               | dec                 eax
            //   e8????????           |                     
            //   4885c0               | lea                 ebx, [0x103ae2]

        $sequence_8 = { 90 488b442448 488b5c2450 e8???????? 4885ff 7550 90 }
            // n = 7, score = 100
            //   90                   | mov                 ebx, dword ptr [esp + 0x1b0]
            //   488b442448           | dec                 eax
            //   488b5c2450           | mov                 ebp, dword ptr [esp + 0x2c8]
            //   e8????????           |                     
            //   4885ff               | dec                 eax
            //   7550                 | add                 esp, 0x2d0
            //   90                   | ret                 

        $sequence_9 = { 6690 eb22 488d0df78d2300 0fb70451 488b6c2410 4883c418 c3 }
            // n = 7, score = 100
            //   6690                 | jae                 0x8d
            //   eb22                 | dec                 eax
            //   488d0df78d2300       | mov                 dword ptr [esp + 0x68], esi
            //   0fb70451             | dec                 eax
            //   488b6c2410           | mov                 dword ptr [esp + 0x60], ecx
            //   4883c418             | dec                 eax
            //   c3                   | lea                 eax, [0xca70a]

    condition:
        7 of them and filesize < 7152640
}