rule win_radamant_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.radamant."
        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.radamant"
        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 = { 89e5 53 83ec24 8b4508 890424 e8???????? 89c3 }
            // n = 7, score = 100
            //   89e5                 | mov                 ebp, esp
            //   53                   | push                ebx
            //   83ec24               | sub                 esp, 0x24
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   89c3                 | mov                 ebx, eax

        $sequence_1 = { 0302 8901 8b4d0c 83c108 8b550c 83c208 8b45ec }
            // n = 7, score = 100
            //   0302                 | add                 eax, dword ptr [edx]
            //   8901                 | mov                 dword ptr [ecx], eax
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   83c108               | add                 ecx, 8
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   83c208               | add                 edx, 8
            //   8b45ec               | mov                 eax, dword ptr [ebp - 0x14]

        $sequence_2 = { 89e5 81eca8040000 8b450c 8944240c 8b4508 89442408 }
            // n = 6, score = 100
            //   89e5                 | mov                 ebp, esp
            //   81eca8040000         | sub                 esp, 0x4a8
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   8944240c             | mov                 dword ptr [esp + 0xc], eax
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   89442408             | mov                 dword ptr [esp + 8], eax

        $sequence_3 = { 7f24 8d45f8 0385d4fdffff 8d90e0fdffff 8d45f8 0385d4fdffff 2d20020000 }
            // n = 7, score = 100
            //   7f24                 | jg                  0x26
            //   8d45f8               | lea                 eax, [ebp - 8]
            //   0385d4fdffff         | add                 eax, dword ptr [ebp - 0x22c]
            //   8d90e0fdffff         | lea                 edx, [eax - 0x220]
            //   8d45f8               | lea                 eax, [ebp - 8]
            //   0385d4fdffff         | add                 eax, dword ptr [ebp - 0x22c]
            //   2d20020000           | sub                 eax, 0x220

        $sequence_4 = { 8b4510 0345fc 0fb600 8802 8d45fc ff00 }
            // n = 6, score = 100
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   0345fc               | add                 eax, dword ptr [ebp - 4]
            //   0fb600               | movzx               eax, byte ptr [eax]
            //   8802                 | mov                 byte ptr [edx], al
            //   8d45fc               | lea                 eax, [ebp - 4]
            //   ff00                 | inc                 dword ptr [eax]

        $sequence_5 = { 8b85c4f6ffff 8944240c 8b85c8f6ffff 89442408 8d45c8 89442404 }
            // n = 6, score = 100
            //   8b85c4f6ffff         | mov                 eax, dword ptr [ebp - 0x93c]
            //   8944240c             | mov                 dword ptr [esp + 0xc], eax
            //   8b85c8f6ffff         | mov                 eax, dword ptr [ebp - 0x938]
            //   89442408             | mov                 dword ptr [esp + 8], eax
            //   8d45c8               | lea                 eax, [ebp - 0x38]
            //   89442404             | mov                 dword ptr [esp + 4], eax

        $sequence_6 = { 0385d4fdffff 8d90e0fdffff 8d45f8 0385d4fdffff }
            // n = 4, score = 100
            //   0385d4fdffff         | add                 eax, dword ptr [ebp - 0x22c]
            //   8d90e0fdffff         | lea                 edx, [eax - 0x220]
            //   8d45f8               | lea                 eax, [ebp - 8]
            //   0385d4fdffff         | add                 eax, dword ptr [ebp - 0x22c]

        $sequence_7 = { 89442408 c7442404???????? 8b859cfcffff 890424 e8???????? 8b859cfcffff }
            // n = 6, score = 100
            //   89442408             | mov                 dword ptr [esp + 8], eax
            //   c7442404????????     |                     
            //   8b859cfcffff         | mov                 eax, dword ptr [ebp - 0x364]
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   8b859cfcffff         | mov                 eax, dword ptr [ebp - 0x364]

        $sequence_8 = { 0385d4fdffff 2d20020000 0fb600 0420 8802 }
            // n = 5, score = 100
            //   0385d4fdffff         | add                 eax, dword ptr [ebp - 0x22c]
            //   2d20020000           | sub                 eax, 0x220
            //   0fb600               | movzx               eax, byte ptr [eax]
            //   0420                 | add                 al, 0x20
            //   8802                 | mov                 byte ptr [edx], al

        $sequence_9 = { 8b45e4 c1e808 0fb6c0 0fb680b01a4100 c1e008 31c2 8b45e8 }
            // n = 7, score = 100
            //   8b45e4               | mov                 eax, dword ptr [ebp - 0x1c]
            //   c1e808               | shr                 eax, 8
            //   0fb6c0               | movzx               eax, al
            //   0fb680b01a4100       | movzx               eax, byte ptr [eax + 0x411ab0]
            //   c1e008               | shl                 eax, 8
            //   31c2                 | xor                 edx, eax
            //   8b45e8               | mov                 eax, dword ptr [ebp - 0x18]

    condition:
        7 of them and filesize < 204800
}