rule win_strongpity_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.strongpity."
        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.strongpity"
        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 = { 8bc8 890e 85c9 7485 8b45d4 }
            // n = 5, score = 700
            //   8bc8                 | mov                 ecx, eax
            //   890e                 | mov                 dword ptr [esi], ecx
            //   85c9                 | test                ecx, ecx
            //   7485                 | je                  0xffffff87
            //   8b45d4               | mov                 eax, dword ptr [ebp - 0x2c]

        $sequence_1 = { 56 e8???????? 59 33f6 eb0f 50 56 }
            // n = 7, score = 700
            //   56                   | push                esi
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   33f6                 | xor                 esi, esi
            //   eb0f                 | jmp                 0x11
            //   50                   | push                eax
            //   56                   | push                esi

        $sequence_2 = { 8d45f8 c745f800330000 50 6a1f 56 ff15???????? 33c0 }
            // n = 7, score = 700
            //   8d45f8               | lea                 eax, [ebp - 8]
            //   c745f800330000       | mov                 dword ptr [ebp - 8], 0x3300
            //   50                   | push                eax
            //   6a1f                 | push                0x1f
            //   56                   | push                esi
            //   ff15????????         |                     
            //   33c0                 | xor                 eax, eax

        $sequence_3 = { ff15???????? 85c0 74b8 6a14 }
            // n = 4, score = 700
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   74b8                 | je                  0xffffffba
            //   6a14                 | push                0x14

        $sequence_4 = { 7417 ba00010000 8bc8 c60100 41 83ea01 75f7 }
            // n = 7, score = 700
            //   7417                 | je                  0x19
            //   ba00010000           | mov                 edx, 0x100
            //   8bc8                 | mov                 ecx, eax
            //   c60100               | mov                 byte ptr [ecx], 0
            //   41                   | inc                 ecx
            //   83ea01               | sub                 edx, 1
            //   75f7                 | jne                 0xfffffff9

        $sequence_5 = { 85ff 7507 33c0 e9???????? b90a020000 }
            // n = 5, score = 700
            //   85ff                 | test                edi, edi
            //   7507                 | jne                 9
            //   33c0                 | xor                 eax, eax
            //   e9????????           |                     
            //   b90a020000           | mov                 ecx, 0x20a

        $sequence_6 = { 41 83e801 75f8 ff75d0 68???????? }
            // n = 5, score = 700
            //   41                   | inc                 ecx
            //   83e801               | sub                 eax, 1
            //   75f8                 | jne                 0xfffffffa
            //   ff75d0               | push                dword ptr [ebp - 0x30]
            //   68????????           |                     

        $sequence_7 = { e8???????? 8b45f0 8b4e08 40 ff75f4 68???????? 8d0441 }
            // n = 7, score = 700
            //   e8????????           |                     
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   8b4e08               | mov                 ecx, dword ptr [esi + 8]
            //   40                   | inc                 eax
            //   ff75f4               | push                dword ptr [ebp - 0xc]
            //   68????????           |                     
            //   8d0441               | lea                 eax, [ecx + eax*2]

        $sequence_8 = { 5f 5e 8990d0010000 8bc5 }
            // n = 4, score = 300
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   8990d0010000         | mov                 dword ptr [eax + 0x1d0], edx
            //   8bc5                 | mov                 eax, ebp

        $sequence_9 = { 012e 885c240a e9???????? 84db 0f8434020000 }
            // n = 5, score = 300
            //   012e                 | add                 dword ptr [esi], ebp
            //   885c240a             | mov                 byte ptr [esp + 0xa], bl
            //   e9????????           |                     
            //   84db                 | test                bl, bl
            //   0f8434020000         | je                  0x23a

        $sequence_10 = { 5f 5e 8990c0010000 8bc5 }
            // n = 4, score = 300
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   8990c0010000         | mov                 dword ptr [eax + 0x1c0], edx
            //   8bc5                 | mov                 eax, ebp

        $sequence_11 = { 5f 5e 8990b8010000 8bc5 5d }
            // n = 5, score = 300
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   8990b8010000         | mov                 dword ptr [eax + 0x1b8], edx
            //   8bc5                 | mov                 eax, ebp
            //   5d                   | pop                 ebp

        $sequence_12 = { 012e 885c240a ebc3 80fb5d 7520 837c240c00 0f85fe020000 }
            // n = 7, score = 300
            //   012e                 | add                 dword ptr [esi], ebp
            //   885c240a             | mov                 byte ptr [esp + 0xa], bl
            //   ebc3                 | jmp                 0xffffffc5
            //   80fb5d               | cmp                 bl, 0x5d
            //   7520                 | jne                 0x22
            //   837c240c00           | cmp                 dword ptr [esp + 0xc], 0
            //   0f85fe020000         | jne                 0x304

        $sequence_13 = { 5f 5e 8990cc010000 8bc5 }
            // n = 4, score = 300
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   8990cc010000         | mov                 dword ptr [eax + 0x1cc], edx
            //   8bc5                 | mov                 eax, ebp

        $sequence_14 = { 2bca 7422 49 7559 }
            // n = 4, score = 300
            //   2bca                 | sub                 ecx, edx
            //   7422                 | je                  0x24
            //   49                   | dec                 ecx
            //   7559                 | jne                 0x5b

        $sequence_15 = { 0107 83be8800000002 8b07 0f85ad000000 83f814 }
            // n = 5, score = 300
            //   0107                 | add                 dword ptr [edi], eax
            //   83be8800000002       | cmp                 dword ptr [esi + 0x88], 2
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   0f85ad000000         | jne                 0xb3
            //   83f814               | cmp                 eax, 0x14

    condition:
        7 of them and filesize < 999424
}