rule win_remsec_strider_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.remsec_strider."
        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.remsec_strider"
        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 = { 58 c3 6a08 58 c3 6a0b }
            // n = 6, score = 200
            //   58                   | pop                 eax
            //   c3                   | ret                 
            //   6a08                 | push                8
            //   58                   | pop                 eax
            //   c3                   | ret                 
            //   6a0b                 | push                0xb

        $sequence_1 = { 740d 833e00 7408 6a00 ff7604 }
            // n = 5, score = 200
            //   740d                 | je                  0xf
            //   833e00               | cmp                 dword ptr [esi], 0
            //   7408                 | je                  0xa
            //   6a00                 | push                0
            //   ff7604               | push                dword ptr [esi + 4]

        $sequence_2 = { 33ff 47 eb0c 6a02 }
            // n = 4, score = 200
            //   33ff                 | xor                 edi, edi
            //   47                   | inc                 edi
            //   eb0c                 | jmp                 0xe
            //   6a02                 | push                2

        $sequence_3 = { 8b4608 6a02 dd18 894808 }
            // n = 4, score = 200
            //   8b4608               | mov                 eax, dword ptr [esi + 8]
            //   6a02                 | push                2
            //   dd18                 | fstp                qword ptr [eax]
            //   894808               | mov                 dword ptr [eax + 8], ecx

        $sequence_4 = { 894808 83460810 58 5e 8be5 5d }
            // n = 6, score = 200
            //   894808               | mov                 dword ptr [eax + 8], ecx
            //   83460810             | add                 dword ptr [esi + 8], 0x10
            //   58                   | pop                 eax
            //   5e                   | pop                 esi
            //   8be5                 | mov                 esp, ebp
            //   5d                   | pop                 ebp

        $sequence_5 = { c3 8b403c c3 6a0c 68???????? e8???????? 8bf1 }
            // n = 7, score = 200
            //   c3                   | ret                 
            //   8b403c               | mov                 eax, dword ptr [eax + 0x3c]
            //   c3                   | ret                 
            //   6a0c                 | push                0xc
            //   68????????           |                     
            //   e8????????           |                     
            //   8bf1                 | mov                 esi, ecx

        $sequence_6 = { ff37 ffd6 50 ff15???????? 8bf0 }
            // n = 5, score = 200
            //   ff37                 | push                dword ptr [edi]
            //   ffd6                 | call                esi
            //   50                   | push                eax
            //   ff15????????         |                     
            //   8bf0                 | mov                 esi, eax

        $sequence_7 = { 898108020000 8b4610 83b808020000ff 7512 }
            // n = 4, score = 200
            //   898108020000         | mov                 dword ptr [ecx + 0x208], eax
            //   8b4610               | mov                 eax, dword ptr [esi + 0x10]
            //   83b808020000ff       | cmp                 dword ptr [eax + 0x208], -1
            //   7512                 | jne                 0x14

        $sequence_8 = { ff15???????? ff742410 85c0 7408 ff15???????? }
            // n = 5, score = 200
            //   ff15????????         |                     
            //   ff742410             | push                dword ptr [esp + 0x10]
            //   85c0                 | test                eax, eax
            //   7408                 | je                  0xa
            //   ff15????????         |                     

        $sequence_9 = { 59 eb02 ddd8 5f }
            // n = 4, score = 200
            //   59                   | pop                 ecx
            //   eb02                 | jmp                 4
            //   ddd8                 | fstp                st(0)
            //   5f                   | pop                 edi

    condition:
        7 of them and filesize < 344064
}