rule win_bandit_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.bandit."
        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.bandit"
        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 = { eb30 833d????????00 7509 488905???????? eb11 488d3dcd92ca00 0f1f440000 }
            // n = 7, score = 100
            //   eb30                 | inc                 esp
            //   833d????????00       |                     
            //   7509                 | add                 edx, eax
            //   488905????????       |                     
            //   eb11                 | mov                 byte ptr [esp + 0x9a], dl
            //   488d3dcd92ca00       | movzx               edx, byte ptr [esp + 0x7d]
            //   0f1f440000           | inc                 esp

        $sequence_1 = { bf03000000 488d35e95b7b00 4c89c3 e8???????? 488b542450 488b742448 4889c7 }
            // n = 7, score = 100
            //   bf03000000           | dec                 eax
            //   488d35e95b7b00       | lea                 esi, [0x38e2b5]
            //   4c89c3               | dec                 esp
            //   e8????????           |                     
            //   488b542450           | mov                 ebx, eax
            //   488b742448           | jae                 0x153f
            //   4889c7               | dec                 eax

        $sequence_2 = { e8???????? 488b442448 4883c028 488b5c2478 488b4c2428 e8???????? 488d05a5bd3600 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   488b442448           | mov                 dl, 0x48
            //   4883c028             | mov                 dword ptr [esp + 0x5e], edx
            //   488b5c2478           | test                al, al
            //   488b4c2428           | jne                 0x1b07
            //   e8????????           |                     
            //   488d05a5bd3600       | dec                 eax

        $sequence_3 = { e9???????? 4d8d4608 31d2 4c89e1 e8???????? e9???????? 41c7460801000000 }
            // n = 7, score = 100
            //   e9????????           |                     
            //   4d8d4608             | movzx               edx, byte ptr [esp + 0x33]
            //   31d2                 | inc                 esp
            //   4c89e1               | movzx               eax, byte ptr [esp + 0x4d]
            //   e8????????           |                     
            //   e9????????           |                     
            //   41c7460801000000     | inc                 esp

        $sequence_4 = { e8???????? 48c784249002000000000000 488d842490020000 488b9c2450050000 488b4c2420 488bbc24e8080000 e8???????? }
            // n = 7, score = 100
            //   e8????????           |                     
            //   48c784249002000000000000     | mov    byte ptr [esp + 0x4f], dl
            //   488d842490020000     | movzx               edx, byte ptr [esp + 0x1f]
            //   488b9c2450050000     | movzx               esi, byte ptr [esp + 0x1d]
            //   488b4c2420           | mov                 byte ptr [esp + 0x4e], dl
            //   488bbc24e8080000     | movzx               edx, byte ptr [esp + 0x22]
            //   e8????????           |                     

        $sequence_5 = { e8???????? 84c0 7410 488d1dc2ea9500 488d0d5bb49500 eb0a 488b5c2420 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   84c0                 | movzx               esi, byte ptr [esp + 0x3b]
            //   7410                 | xor                 edx, esi
            //   488d1dc2ea9500       | mov                 byte ptr [esp + 0x56], dl
            //   488d0d5bb49500       | movzx               edx, byte ptr [esp + 0x27]
            //   eb0a                 | movzx               esi, byte ptr [esp + 0x1a]
            //   488b5c2420           | mov                 byte ptr [esp + 0x55], dl

        $sequence_6 = { e9???????? 4983f802 754c 4c8d4602 4c39c3 7332 4889f8 }
            // n = 7, score = 100
            //   e9????????           |                     
            //   4983f802             | add                 edx, eax
            //   754c                 | mov                 byte ptr [esp + 0x74], dl
            //   4c8d4602             | movzx               edx, byte ptr [esp + 0x2e]
            //   4c39c3               | inc                 esp
            //   7332                 | movzx               eax, byte ptr [esp + 0x30]
            //   4889f8               | mov                 byte ptr [esp + 0x73], dl

        $sequence_7 = { f6c104 7516 488d05190f9f00 bb15000000 e8???????? 488b5c2450 0fb64308 }
            // n = 7, score = 100
            //   f6c104               | movzx               eax, byte ptr [esp + 0x549]
            //   7516                 | mov                 byte ptr [esp + 0x11b0], dl
            //   488d05190f9f00       | movzx               edx, byte ptr [esp + 0x3db]
            //   bb15000000           | inc                 esp
            //   e8????????           |                     
            //   488b5c2450           | movzx               eax, byte ptr [esp + 0xcef]
            //   0fb64308             | inc                 esp

        $sequence_8 = { eb21 440fb64c341f 4129d1 418d513a 88543c1f 418d503a 8854341f }
            // n = 7, score = 100
            //   eb21                 | inc                 esp
            //   440fb64c341f         | movzx               eax, byte ptr [esp + 0x66]
            //   4129d1               | mov                 byte ptr [esp + 0x94], dl
            //   418d513a             | movzx               edx, byte ptr [esp + 0x38]
            //   88543c1f             | inc                 esp
            //   418d503a             | movzx               eax, byte ptr [esp + 0x1d]
            //   8854341f             | inc                 esp

        $sequence_9 = { eb11 488d7818 488b8c24e0000000 e8???????? 488b4c2418 48894808 833d????????00 }
            // n = 7, score = 100
            //   eb11                 | mov                 byte ptr [esp + 0xf32], dl
            //   488d7818             | movzx               edx, byte ptr [esp + 0x845]
            //   488b8c24e0000000     | inc                 esp
            //   e8????????           |                     
            //   488b4c2418           | movzx               eax, byte ptr [esp + 0x6ea]
            //   48894808             | mov                 byte ptr [esp + 0x1031], dl
            //   833d????????00       |                     

    condition:
        7 of them and filesize < 29914112
}