rule win_toughprogress_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.toughprogress."
        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.toughprogress"
        malpedia_rule_date = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        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 = { f00fc101 83f801 7512 488d053e820600 483bc8 7406 e8???????? }
            // n = 7, score = 100
            //   f00fc101             | mov                 ebp, 0x575b7def
            //   83f801               | mov                 ah, 0x4f
            //   7512                 | or                  byte ptr [edi - 0x46b75015], dh
            //   488d053e820600       | mov                 es, word ptr [ebx - 0x7cc94a6f]
            //   483bc8               | stosb               byte ptr es:[edi], al
            //   7406                 | out                 0x48, al
            //   e8????????           |                     

        $sequence_1 = { 53 4189d0 4180e007 c1ea03 440fb60c11 4489c8 f7d0 }
            // n = 7, score = 100
            //   53                   | add                 ebx, 0x10
            //   4189d0               | dec                 eax
            //   4180e007             | mov                 dword ptr [ebp - 0x28], ebx
            //   c1ea03               | dec                 esi
            //   440fb60c11           | mov                 eax, dword ptr [edx + ebp]
            //   4489c8               | dec                 ebp
            //   f7d0                 | add                 eax, esp

        $sequence_2 = { ffd0 488b4df8 488b15???????? 4c8b0c32 4d01e9 4889c2 4989d8 }
            // n = 7, score = 100
            //   ffd0                 | dec                 esp
            //   488b4df8             | lea                 ebp, [eax + 8]
            //   488b15????????       |                     
            //   4c8b0c32             | dec                 ebp
            //   4d01e9               | mov                 dword ptr [esi + 0x48], ebp
            //   4889c2               | dec                 ecx
            //   4989d8               | mov                 dword ptr [esi + 0x50], 0

        $sequence_3 = { 48bb136f553659972b06 488b0408 4801d8 4889d1 ffd0 488b05???????? 48b9ef6e1e2c733fced7 }
            // n = 7, score = 100
            //   48bb136f553659972b06     | mov    ebx, 0xe373090f
            //   488b0408             | wait                
            //   4801d8               | add                 al, 0x19
            //   4889d1               | scasb               al, byte ptr es:[edi]
            //   ffd0                 | dec                 eax
            //   488b05????????       |                     
            //   48b9ef6e1e2c733fced7     | mov    eax, dword ptr [edi + eax]

        $sequence_4 = { 48bf6f0c78c0a7583d67 488b0408 4801f8 4889d1 ffd0 0fb700 668906 }
            // n = 7, score = 100
            //   48bf6f0c78c0a7583d67     | aad    0x68
            //   488b0408             | cmpsd               dword ptr [esi], dword ptr es:[edi]
            //   4801f8               | add                 cl, byte ptr [edi]
            //   4889d1               | pop                 ds
            //   ffd0                 | add                 byte ptr [eax], 0
            //   0fb700               | add                 byte ptr [eax], al
            //   668906               | dec                 eax

        $sequence_5 = { 794a 0fb65678 488b05???????? 48b93faa3d93bf1e803d 488b0408 4c01c8 4889f1 }
            // n = 7, score = 100
            //   794a                 | dec                 eax
            //   0fb65678             | mov                 ecx, edi
            //   488b05????????       |                     
            //   48b93faa3d93bf1e803d     | mov    edx, ebx
            //   488b0408             | js                  0x4b
            //   4c01c8               | dec                 eax
            //   4889f1               | mov                 ecx, 0xe62c13d7

        $sequence_6 = { 666666662e0f1f840000000000 4c89c8 49f7e2 48d1ea 4883e2f8 488d0452 4b8d1408 }
            // n = 7, score = 100
            //   666666662e0f1f840000000000     | pxor    mm6, mm0
            //   4c89c8               | inc                 cx
            //   49f7e2               | por                 mm6, mm2
            //   48d1ea               | pxor                xmm7, xmm0
            //   4883e2f8             | inc                 sp
            //   488d0452             | pand                mm1, mm4
            //   4b8d1408             | inc                 cx

        $sequence_7 = { 4c894708 894718 410fb608 83e10f 4a0fbe841110361000 428a8c1120361000 4c2bc0 }
            // n = 7, score = 100
            //   4c894708             | mov                 byte ptr [ebp + eax - 3], dl
            //   894718               | xor                 edx, edx
            //   410fb608             | inc                 ecx
            //   83e10f               | cmp                 esp, 3
            //   4a0fbe841110361000     | setne    dl
            //   428a8c1120361000     | dec                 esp
            //   4c2bc0               | mov                 dword ptr [ebp - 0x10], eax

        $sequence_8 = { 488d0dd0dc0e00 ffd0 48bbab8be2c7a3ecddc7 48031d???????? 488b05???????? 48b950bd9f47f0766383 49bf5b1d11895113db65 }
            // n = 7, score = 100
            //   488d0dd0dc0e00       | inc                 ecx
            //   ffd0                 | mov                 ecx, 9
            //   48bbab8be2c7a3ecddc7     | dec    eax
            //   48031d????????       |                     
            //   488b05????????       |                     
            //   48b950bd9f47f0766383     | lea    ecx, [0x4786b]
            //   49bf5b1d11895113db65     | inc    eax

        $sequence_9 = { 85c0 0f95c1 48c1e104 48030d???????? 48b8e701c589e09907ad 48bf3c3732457de63ecb 488b0408 }
            // n = 7, score = 100
            //   85c0                 | jne                 0x293
            //   0f95c1               | dec                 eax
            //   48c1e104             | test                esi, esi
            //   48030d????????       |                     
            //   48b8e701c589e09907ad     | jle    0x293
            //   48bf3c3732457de63ecb     | dec    eax
            //   488b0408             | mov                 eax, dword ptr [edi]

    condition:
        7 of them and filesize < 3117056
}