rule win_radrat_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.radrat."
        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.radrat"
        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 = { f2ae f7d1 83c1ff 898d30f9ffff eb0a c78530f9ffff00000000 8b9530f9ffff }
            // n = 7, score = 100
            //   f2ae                 | repne scasb         al, byte ptr es:[edi]
            //   f7d1                 | not                 ecx
            //   83c1ff               | add                 ecx, -1
            //   898d30f9ffff         | mov                 dword ptr [ebp - 0x6d0], ecx
            //   eb0a                 | jmp                 0xc
            //   c78530f9ffff00000000     | mov    dword ptr [ebp - 0x6d0], 0
            //   8b9530f9ffff         | mov                 edx, dword ptr [ebp - 0x6d0]

        $sequence_1 = { 8d8dbcfeffff e8???????? c645fc03 8d4db4 e8???????? c645fc00 8d8d60ffffff }
            // n = 7, score = 100
            //   8d8dbcfeffff         | lea                 ecx, [ebp - 0x144]
            //   e8????????           |                     
            //   c645fc03             | mov                 byte ptr [ebp - 4], 3
            //   8d4db4               | lea                 ecx, [ebp - 0x4c]
            //   e8????????           |                     
            //   c645fc00             | mov                 byte ptr [ebp - 4], 0
            //   8d8d60ffffff         | lea                 ecx, [ebp - 0xa0]

        $sequence_2 = { c645fc2e 8b8d04f2ffff 51 8d95ccf5ffff 52 e8???????? 83c40c }
            // n = 7, score = 100
            //   c645fc2e             | mov                 byte ptr [ebp - 4], 0x2e
            //   8b8d04f2ffff         | mov                 ecx, dword ptr [ebp - 0xdfc]
            //   51                   | push                ecx
            //   8d95ccf5ffff         | lea                 edx, [ebp - 0xa34]
            //   52                   | push                edx
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc

        $sequence_3 = { ff15???????? 50 8d858885ffff 50 e8???????? 83c408 89852879ffff }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   50                   | push                eax
            //   8d858885ffff         | lea                 eax, [ebp - 0x7a78]
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   89852879ffff         | mov                 dword ptr [ebp - 0x86d8], eax

        $sequence_4 = { e8???????? 83c40c 89850cfaffff 8b8d0cfaffff 898d08faffff c645fc07 8b9508faffff }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   89850cfaffff         | mov                 dword ptr [ebp - 0x5f4], eax
            //   8b8d0cfaffff         | mov                 ecx, dword ptr [ebp - 0x5f4]
            //   898d08faffff         | mov                 dword ptr [ebp - 0x5f8], ecx
            //   c645fc07             | mov                 byte ptr [ebp - 4], 7
            //   8b9508faffff         | mov                 edx, dword ptr [ebp - 0x5f8]

        $sequence_5 = { 8b5508 8955f8 8b450c 8945f4 c745d800000000 c745fc00000000 8b4dc4 }
            // n = 7, score = 100
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   8955f8               | mov                 dword ptr [ebp - 8], edx
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   8945f4               | mov                 dword ptr [ebp - 0xc], eax
            //   c745d800000000       | mov                 dword ptr [ebp - 0x28], 0
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0
            //   8b4dc4               | mov                 ecx, dword ptr [ebp - 0x3c]

        $sequence_6 = { 8d8d30b2ffff e8???????? c3 8d8dfcb1ffff e8???????? c3 8d8df480ffff }
            // n = 7, score = 100
            //   8d8d30b2ffff         | lea                 ecx, [ebp - 0x4dd0]
            //   e8????????           |                     
            //   c3                   | ret                 
            //   8d8dfcb1ffff         | lea                 ecx, [ebp - 0x4e04]
            //   e8????????           |                     
            //   c3                   | ret                 
            //   8d8df480ffff         | lea                 ecx, [ebp - 0x7f0c]

        $sequence_7 = { 8d8dc4feffff 51 8b8d94f7ffff e8???????? 8b9594f7ffff 8995b4f6ffff 8d854cfeffff }
            // n = 7, score = 100
            //   8d8dc4feffff         | lea                 ecx, [ebp - 0x13c]
            //   51                   | push                ecx
            //   8b8d94f7ffff         | mov                 ecx, dword ptr [ebp - 0x86c]
            //   e8????????           |                     
            //   8b9594f7ffff         | mov                 edx, dword ptr [ebp - 0x86c]
            //   8995b4f6ffff         | mov                 dword ptr [ebp - 0x94c], edx
            //   8d854cfeffff         | lea                 eax, [ebp - 0x1b4]

        $sequence_8 = { e8???????? c7852cfdffff00000005 6a01 6a04 8d8d2cfdffff 51 8d8d20ffffff }
            // n = 7, score = 100
            //   e8????????           |                     
            //   c7852cfdffff00000005     | mov    dword ptr [ebp - 0x2d4], 0x5000000
            //   6a01                 | push                1
            //   6a04                 | push                4
            //   8d8d2cfdffff         | lea                 ecx, [ebp - 0x2d4]
            //   51                   | push                ecx
            //   8d8d20ffffff         | lea                 ecx, [ebp - 0xe0]

        $sequence_9 = { e8???????? 83c40c 85c0 7504 32c0 eb56 8d45fc }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   85c0                 | test                eax, eax
            //   7504                 | jne                 6
            //   32c0                 | xor                 al, al
            //   eb56                 | jmp                 0x58
            //   8d45fc               | lea                 eax, [ebp - 4]

    condition:
        7 of them and filesize < 2080768
}