rule win_cargobay_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        version = "1"
        description = "Detects win.cargobay."
        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.cargobay"
        malpedia_rule_date = "20230705"
        malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41"
        malpedia_version = "20230715"
        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 = { 0f87fa000000 4c8b742420 4c8b7c2428 4869db88000000 48035c2430 4889d9 4889fa }
            // n = 7, score = 100
            //   0f87fa000000         | je                  0x336
            //   4c8b742420           | dec                 eax
            //   4c8b7c2428           | mov                 eax, dword ptr [esp + 0x68]
            //   4869db88000000       | dec                 esp
            //   48035c2430           | lea                 eax, [0xdbd5a]
            //   4889d9               | cmp                 byte ptr [ebx], 0
            //   4889fa               | je                  0x347

        $sequence_1 = { e8???????? 488d4e08 e8???????? 4881c608010000 4889f1 4883c420 5e }
            // n = 7, score = 100
            //   e8????????           |                     
            //   488d4e08             | jb                  0x503
            //   e8????????           |                     
            //   4881c608010000       | inc                 cx
            //   4889f1               | cmp                 eax, 0x3f
            //   4883c420             | jne                 0x503
            //   5e                   | inc                 cx

        $sequence_2 = { e8???????? 488d8b00020000 e8???????? 4c89f9 e8???????? 488d8bd00d0000 e8???????? }
            // n = 7, score = 100
            //   e8????????           |                     
            //   488d8b00020000       | cmp                 eax, 0x7e
            //   e8????????           |                     
            //   4c89f9               | je                  0xb15
            //   e8????????           |                     
            //   488d8bd00d0000       | lea                 eax, [ecx - 0x30]
            //   e8????????           |                     

        $sequence_3 = { eb19 ff15???????? 48c1e020 4883c802 49894708 49c70701000000 4881c4a8000000 }
            // n = 7, score = 100
            //   eb19                 | mov                 dh, byte ptr [esp + 0x22]
            //   ff15????????         |                     
            //   48c1e020             | inc                 ecx
            //   4883c802             | movzx               eax, dh
            //   49894708             | cmp                 eax, 0x22
            //   49c70701000000       | cmp                 byte ptr [esp + 0x20], 0
            //   4881c4a8000000       | jne                 0xbe7

        $sequence_4 = { 4c8bbc2498000000 4c897c2430 4c89742428 488b5c2470 48895c2420 488d742458 4889f1 }
            // n = 7, score = 100
            //   4c8bbc2498000000     | lea                 esi, [esp + 0x838]
            //   4c897c2430           | mov                 ecx, 0xf
            //   4c89742428           | dec                 eax
            //   488b5c2470           | mov                 edi, ebx
            //   48895c2420           | dec                 eax
            //   488d742458           | movsd               dword ptr es:[edi], dword ptr [esi]
            //   4889f1               | dec                 eax

        $sequence_5 = { ba1d000000 eb24 4c8d059ccd0c00 b91e000000 ba1e000000 eb11 4c8d05a1cd0c00 }
            // n = 7, score = 100
            //   ba1d000000           | mov                 eax, dword ptr [edi + 0x28]
            //   eb24                 | push                ebx
            //   4c8d059ccd0c00       | dec                 eax
            //   b91e000000           | sub                 esp, 0x40
            //   ba1e000000           | dec                 esp
            //   eb11                 | mov                 esi, ecx
            //   4c8d05a1cd0c00       | dec                 eax

        $sequence_6 = { c3 488d056db60d00 4889442420 488d0dd4dc1000 4c8d0ddab50d00 4c8d442430 ba2b000000 }
            // n = 7, score = 100
            //   c3                   | add                 ecx, 8
            //   488d056db60d00       | push                edi
            //   4889442420           | dec                 eax
            //   488d0dd4dc1000       | sub                 esp, 0x20
            //   4c8d0ddab50d00       | dec                 eax
            //   4c8d442430           | lea                 ebx, [0xb5497]
            //   ba2b000000           | dec                 eax

        $sequence_7 = { ebe6 49c1e120 4d09c1 4e894cd9f8 c3 4885d2 740f }
            // n = 7, score = 100
            //   ebe6                 | add                 edi, eax
            //   49c1e120             | dec                 esp
            //   4d09c1               | mov                 ebx, ebp
            //   4e894cd9f8           | dec                 esp
            //   c3                   | cmp                 edi, ebp
            //   4885d2               | jne                 0x378
            //   740f                 | add                 eax, 0xa

        $sequence_8 = { 89d8 e9???????? 4080fef8 0f832a020000 41b804000000 41b101 4531db }
            // n = 7, score = 100
            //   89d8                 | dec                 esp
            //   e9????????           |                     
            //   4080fef8             | lea                 eax, [0xa804a]
            //   0f832a020000         | dec                 eax
            //   41b804000000         | mov                 edi, ecx
            //   41b101               | dec                 eax
            //   4531db               | lea                 edx, [0xa7708]

        $sequence_9 = { e8???????? 488babd0010000 488b83e8010000 4889842490000000 0f1083d8010000 0f29842480000000 488b8300020000 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   488babd0010000       | mov                 edx, edi
            //   488b83e8010000       | dec                 eax
            //   4889842490000000     | mov                 ecx, edi
            //   0f1083d8010000       | dec                 eax
            //   0f29842480000000     | mov                 edx, esi
            //   488b8300020000       | jb                  0x186b

    condition:
        7 of them and filesize < 3432448
}