rule win_roll_sling_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.roll_sling."
        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.roll_sling"
        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 = { 48c1e91d 4c8d4c2468 83e101 418bc2 }
            // n = 4, score = 100
            //   48c1e91d             | dec                 eax
            //   4c8d4c2468           | lea                 eax, [0xfffffe25]
            //   83e101               | dec                 eax
            //   418bc2               | mov                 dword ptr [edi + 0x30], eax

        $sequence_1 = { 8b8c8698f50000 4803ce ffe1 660f73f901 660f73d901 e9???????? 660f73f902 }
            // n = 7, score = 100
            //   8b8c8698f50000       | nop                 
            //   4803ce               | dec                 eax
            //   ffe1                 | lea                 ecx, [esp + 0x38]
            //   660f73f901           | nop                 
            //   660f73d901           | dec                 esp
            //   e9????????           |                     
            //   660f73f902           | mov                 ecx, eax

        $sequence_2 = { 7509 488d05a7310100 eb04 4883c020 4883c428 c3 48895c2408 }
            // n = 7, score = 100
            //   7509                 | dec                 eax
            //   488d05a7310100       | lea                 ebx, [0x11f23]
            //   eb04                 | dec                 eax
            //   4883c020             | mov                 ecx, dword ptr [ebx]
            //   4883c428             | dec                 eax
            //   c3                   | test                ecx, ecx
            //   48895c2408           | je                  0x4ab

        $sequence_3 = { 483bf0 772f 488d0431 488905???????? }
            // n = 4, score = 100
            //   483bf0               | inc                 esp
            //   772f                 | movzx               ecx, byte ptr [ebx + eax]
            //   488d0431             | inc                 ebp
            //   488905????????       |                     

        $sequence_4 = { e8???????? c6043300 eb11 4889742420 488bd6 498bce }
            // n = 6, score = 100
            //   e8????????           |                     
            //   c6043300             | sub                 edx, eax
            //   eb11                 | mov                 eax, dword ptr [edx - 4]
            //   4889742420           | shr                 eax, cl
            //   488bd6               | test                eax, eax
            //   498bce               | dec                 edx

        $sequence_5 = { c6432300 eb1d 48c744242023000000 4c8d0d9a7d0100 ba23000000 488bcf e8???????? }
            // n = 7, score = 100
            //   c6432300             | dec                 eax
            //   eb1d                 | mov                 ecx, dword ptr [ebp - 0x10]
            //   48c744242023000000     | dec    eax
            //   4c8d0d9a7d0100       | xor                 ecx, esp
            //   ba23000000           | dec                 eax
            //   488bcf               | mov                 ebx, dword ptr [esp + 0xb8]
            //   e8????????           |                     

        $sequence_6 = { 4c8d4001 33ff 48897c2440 48c74424480f000000 40887c2430 4c3905???????? }
            // n = 6, score = 100
            //   4c8d4001             | movups              xmm0, xmmword ptr [eax]
            //   33ff                 | dec                 esp
            //   48897c2440           | mov                 ebx, ecx
            //   48c74424480f000000     | dec    eax
            //   40887c2430           | lea                 ecx, [esp + 0x30]
            //   4c3905????????       |                     

        $sequence_7 = { ba5f080000 488bcd ff15???????? 4533c9 4533c0 }
            // n = 5, score = 100
            //   ba5f080000           | dec                 eax
            //   488bcd               | lea                 eax, [ebp]
            //   ff15????????         |                     
            //   4533c9               | dec                 eax
            //   4533c0               | cmp                 esi, 0x10

        $sequence_8 = { 4c8bc9 410fb608 83e10f 4a0fbe841140340100 428a8c1150340100 }
            // n = 5, score = 100
            //   4c8bc9               | add                 ecx, esi
            //   410fb608             | dec                 eax
            //   83e10f               | lea                 ebx, [0x1509e]
            //   4a0fbe841140340100     | inc    ecx
            //   428a8c1150340100     | mov                 eax, 0x104

        $sequence_9 = { 488d15b96e0000 e8???????? 4885c0 740f 488bcb 4883c420 }
            // n = 6, score = 100
            //   488d15b96e0000       | dec                 eax
            //   e8????????           |                     
            //   4885c0               | test                edi, edi
            //   740f                 | je                  0xbfc
            //   488bcb               | dec                 eax
            //   4883c420             | and                 dword ptr [esp + 0x30], 0

    condition:
        7 of them and filesize < 299008
}