rule win_paladin_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.paladin."
        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.paladin"
        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 = { 7431 8bf3 8b1b 6a01 8b4604 8b0e }
            // n = 6, score = 200
            //   7431                 | je                  0x33
            //   8bf3                 | mov                 esi, ebx
            //   8b1b                 | mov                 ebx, dword ptr [ebx]
            //   6a01                 | push                1
            //   8b4604               | mov                 eax, dword ptr [esi + 4]
            //   8b0e                 | mov                 ecx, dword ptr [esi]

        $sequence_1 = { f3ab 8d442414 c744241473686c77 50 c744241c6170692e }
            // n = 5, score = 200
            //   f3ab                 | rep stosd           dword ptr es:[edi], eax
            //   8d442414             | lea                 eax, [esp + 0x14]
            //   c744241473686c77     | mov                 dword ptr [esp + 0x14], 0x776c6873
            //   50                   | push                eax
            //   c744241c6170692e     | mov                 dword ptr [esp + 0x1c], 0x2e697061

        $sequence_2 = { 56 68???????? 53 53 c7442430ffffffff 894618 c6460c01 }
            // n = 7, score = 200
            //   56                   | push                esi
            //   68????????           |                     
            //   53                   | push                ebx
            //   53                   | push                ebx
            //   c7442430ffffffff     | mov                 dword ptr [esp + 0x30], 0xffffffff
            //   894618               | mov                 dword ptr [esi + 0x18], eax
            //   c6460c01             | mov                 byte ptr [esi + 0xc], 1

        $sequence_3 = { e8???????? 8b55d4 a1???????? 85c2 0f8499010000 8b35???????? ffd3 }
            // n = 7, score = 200
            //   e8????????           |                     
            //   8b55d4               | mov                 edx, dword ptr [ebp - 0x2c]
            //   a1????????           |                     
            //   85c2                 | test                edx, eax
            //   0f8499010000         | je                  0x19f
            //   8b35????????         |                     
            //   ffd3                 | call                ebx

        $sequence_4 = { 8d8db0c0feff e8???????? 8d8db0c0feff c645fc04 51 8d8de8feffff e8???????? }
            // n = 7, score = 200
            //   8d8db0c0feff         | lea                 ecx, [ebp - 0x13f50]
            //   e8????????           |                     
            //   8d8db0c0feff         | lea                 ecx, [ebp - 0x13f50]
            //   c645fc04             | mov                 byte ptr [ebp - 4], 4
            //   51                   | push                ecx
            //   8d8de8feffff         | lea                 ecx, [ebp - 0x118]
            //   e8????????           |                     

        $sequence_5 = { c645fc01 e8???????? 8b55dc a1???????? 85c2 0f84e2000000 8b35???????? }
            // n = 7, score = 200
            //   c645fc01             | mov                 byte ptr [ebp - 4], 1
            //   e8????????           |                     
            //   8b55dc               | mov                 edx, dword ptr [ebp - 0x24]
            //   a1????????           |                     
            //   85c2                 | test                edx, eax
            //   0f84e2000000         | je                  0xe8
            //   8b35????????         |                     

        $sequence_6 = { 6a00 52 ff15???????? 8b4624 8b4c2410 2bc3 8b6e58 }
            // n = 7, score = 200
            //   6a00                 | push                0
            //   52                   | push                edx
            //   ff15????????         |                     
            //   8b4624               | mov                 eax, dword ptr [esi + 0x24]
            //   8b4c2410             | mov                 ecx, dword ptr [esp + 0x10]
            //   2bc3                 | sub                 eax, ebx
            //   8b6e58               | mov                 ebp, dword ptr [esi + 0x58]

        $sequence_7 = { ffd7 8b4e44 8b3d???????? 50 51 894650 }
            // n = 6, score = 200
            //   ffd7                 | call                edi
            //   8b4e44               | mov                 ecx, dword ptr [esi + 0x44]
            //   8b3d????????         |                     
            //   50                   | push                eax
            //   51                   | push                ecx
            //   894650               | mov                 dword ptr [esi + 0x50], eax

        $sequence_8 = { 83c504 8d51e8 896c2418 3bd0 7cca 8b5634 }
            // n = 6, score = 200
            //   83c504               | add                 ebp, 4
            //   8d51e8               | lea                 edx, [ecx - 0x18]
            //   896c2418             | mov                 dword ptr [esp + 0x18], ebp
            //   3bd0                 | cmp                 edx, eax
            //   7cca                 | jl                  0xffffffcc
            //   8b5634               | mov                 edx, dword ptr [esi + 0x34]

        $sequence_9 = { 50 885e0c 885e0e ffd7 8b4e14 6aff 51 }
            // n = 7, score = 200
            //   50                   | push                eax
            //   885e0c               | mov                 byte ptr [esi + 0xc], bl
            //   885e0e               | mov                 byte ptr [esi + 0xe], bl
            //   ffd7                 | call                edi
            //   8b4e14               | mov                 ecx, dword ptr [esi + 0x14]
            //   6aff                 | push                -1
            //   51                   | push                ecx

    condition:
        7 of them and filesize < 106496
}