rule win_raccoon_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.raccoon."
        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.raccoon"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { ff15???????? 8d4d08 e8???????? 8b4df4 8bc3 }
            // n = 5, score = 2400
            //   ff15????????         |                     
            //   8d4d08               | lea                 ecx, [ebp + 8]
            //   e8????????           |                     
            //   8b4df4               | mov                 ecx, dword ptr [ebp - 0xc]
            //   8bc3                 | mov                 eax, ebx

        $sequence_1 = { eb09 56 e8???????? 59 33f6 ff750c ff15???????? }
            // n = 7, score = 2400
            //   eb09                 | jmp                 0xb
            //   56                   | push                esi
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   33f6                 | xor                 esi, esi
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   ff15????????         |                     

        $sequence_2 = { 50 6819000200 33f6 56 ff7508 }
            // n = 5, score = 2400
            //   50                   | push                eax
            //   6819000200           | push                0x20019
            //   33f6                 | xor                 esi, esi
            //   56                   | push                esi
            //   ff7508               | push                dword ptr [ebp + 8]

        $sequence_3 = { 53 ff75e4 895dec ff15???????? 894608 8b45ec 894604 }
            // n = 7, score = 2400
            //   53                   | push                ebx
            //   ff75e4               | push                dword ptr [ebp - 0x1c]
            //   895dec               | mov                 dword ptr [ebp - 0x14], ebx
            //   ff15????????         |                     
            //   894608               | mov                 dword ptr [esi + 8], eax
            //   8b45ec               | mov                 eax, dword ptr [ebp - 0x14]
            //   894604               | mov                 dword ptr [esi + 4], eax

        $sequence_4 = { 8d85f4efffff 50 56 eb64 ff7508 ff15???????? 0345fc }
            // n = 7, score = 2400
            //   8d85f4efffff         | lea                 eax, [ebp - 0x100c]
            //   50                   | push                eax
            //   56                   | push                esi
            //   eb64                 | jmp                 0x66
            //   ff7508               | push                dword ptr [ebp + 8]
            //   ff15????????         |                     
            //   0345fc               | add                 eax, dword ptr [ebp - 4]

        $sequence_5 = { ff36 e8???????? 59 8b45f8 33c9 51 51 }
            // n = 7, score = 2400
            //   ff36                 | push                dword ptr [esi]
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   8b45f8               | mov                 eax, dword ptr [ebp - 8]
            //   33c9                 | xor                 ecx, ecx
            //   51                   | push                ecx
            //   51                   | push                ecx

        $sequence_6 = { 85c9 75ee 8d4301 50 e8???????? }
            // n = 5, score = 2400
            //   85c9                 | test                ecx, ecx
            //   75ee                 | jne                 0xfffffff0
            //   8d4301               | lea                 eax, [ebx + 1]
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_7 = { 0f434dd8 51 56 e8???????? 83c40c }
            // n = 5, score = 2400
            //   0f434dd8             | cmovae              ecx, dword ptr [ebp - 0x28]
            //   51                   | push                ecx
            //   56                   | push                esi
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc

        $sequence_8 = { 7202 8b0f 8b4638 03c1 3945fc 7417 681e0e0000 }
            // n = 7, score = 2400
            //   7202                 | jb                  4
            //   8b0f                 | mov                 ecx, dword ptr [edi]
            //   8b4638               | mov                 eax, dword ptr [esi + 0x38]
            //   03c1                 | add                 eax, ecx
            //   3945fc               | cmp                 dword ptr [ebp - 4], eax
            //   7417                 | je                  0x19
            //   681e0e0000           | push                0xe1e

        $sequence_9 = { 83e801 7474 83e801 745b 83e801 7449 83e801 }
            // n = 7, score = 2400
            //   83e801               | sub                 eax, 1
            //   7474                 | je                  0x76
            //   83e801               | sub                 eax, 1
            //   745b                 | je                  0x5d
            //   83e801               | sub                 eax, 1
            //   7449                 | je                  0x4b
            //   83e801               | sub                 eax, 1

    condition:
        7 of them and filesize < 1212416
}