rule win_manitsme_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.manitsme."
        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.manitsme"
        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 = { 6a00 6a00 8d4c2434 51 6a00 895c2440 }
            // n = 6, score = 100
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   8d4c2434             | lea                 ecx, [esp + 0x34]
            //   51                   | push                ecx
            //   6a00                 | push                0
            //   895c2440             | mov                 dword ptr [esp + 0x40], ebx

        $sequence_1 = { ffd6 85c0 753a a1???????? 3bc7 }
            // n = 5, score = 100
            //   ffd6                 | call                esi
            //   85c0                 | test                eax, eax
            //   753a                 | jne                 0x3c
            //   a1????????           |                     
            //   3bc7                 | cmp                 eax, edi

        $sequence_2 = { 8a4c0414 80f90a 7510 80fb0d 740b c68434100400000d 83c601 }
            // n = 7, score = 100
            //   8a4c0414             | mov                 cl, byte ptr [esp + eax + 0x14]
            //   80f90a               | cmp                 cl, 0xa
            //   7510                 | jne                 0x12
            //   80fb0d               | cmp                 bl, 0xd
            //   740b                 | je                  0xd
            //   c68434100400000d     | mov                 byte ptr [esp + esi + 0x410], 0xd
            //   83c601               | add                 esi, 1

        $sequence_3 = { 57 ff15???????? 8bc8 83e8ff f7d8 1bc0 23c1 }
            // n = 7, score = 100
            //   57                   | push                edi
            //   ff15????????         |                     
            //   8bc8                 | mov                 ecx, eax
            //   83e8ff               | sub                 eax, -1
            //   f7d8                 | neg                 eax
            //   1bc0                 | sbb                 eax, eax
            //   23c1                 | and                 eax, ecx

        $sequence_4 = { 7325 6a00 6a00 56 53 }
            // n = 5, score = 100
            //   7325                 | jae                 0x27
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   56                   | push                esi
            //   53                   | push                ebx

        $sequence_5 = { 0fb6ca 0fbe8960420110 85c9 750d }
            // n = 4, score = 100
            //   0fb6ca               | movzx               ecx, dl
            //   0fbe8960420110       | movsx               ecx, byte ptr [ecx + 0x10014260]
            //   85c9                 | test                ecx, ecx
            //   750d                 | jne                 0xf

        $sequence_6 = { 3b542418 0f8d8c000000 8b2d???????? 90 8d442420 50 6a00 }
            // n = 7, score = 100
            //   3b542418             | cmp                 edx, dword ptr [esp + 0x18]
            //   0f8d8c000000         | jge                 0x92
            //   8b2d????????         |                     
            //   90                   | nop                 
            //   8d442420             | lea                 eax, [esp + 0x20]
            //   50                   | push                eax
            //   6a00                 | push                0

        $sequence_7 = { e8???????? 83c40c 6804010000 68???????? 56 ff15???????? }
            // n = 6, score = 100
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   6804010000           | push                0x104
            //   68????????           |                     
            //   56                   | push                esi
            //   ff15????????         |                     

        $sequence_8 = { 0fb6ca 0fbe8960420110 85c9 750d e8???????? c7002a000000 eb7a }
            // n = 7, score = 100
            //   0fb6ca               | movzx               ecx, dl
            //   0fbe8960420110       | movsx               ecx, byte ptr [ecx + 0x10014260]
            //   85c9                 | test                ecx, ecx
            //   750d                 | jne                 0xf
            //   e8????????           |                     
            //   c7002a000000         | mov                 dword ptr [eax], 0x2a
            //   eb7a                 | jmp                 0x7c

        $sequence_9 = { 8bc7 c1f805 8bcf 83e11f 6bc928 8b048540580110 }
            // n = 6, score = 100
            //   8bc7                 | mov                 eax, edi
            //   c1f805               | sar                 eax, 5
            //   8bcf                 | mov                 ecx, edi
            //   83e11f               | and                 ecx, 0x1f
            //   6bc928               | imul                ecx, ecx, 0x28
            //   8b048540580110       | mov                 eax, dword ptr [eax*4 + 0x10015840]

    condition:
        7 of them and filesize < 212992
}