rule win_pickpocket_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.pickpocket."
        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.pickpocket"
        malpedia_rule_date = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        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 = { e8???????? 85c0 750f b962890100 }
            // n = 4, score = 400
            //   e8????????           |                     
            //   85c0                 | mov                 dword ptr [ecx + eax + 0xc], edx
            //   750f                 | mov                 dword ptr [ecx + eax + 0x10], edx
            //   b962890100           | mov                 dword ptr [ecx + eax + 0x14], edx

        $sequence_1 = { 7704 33c0 eb0a b952ca0000 e8???????? }
            // n = 5, score = 400
            //   7704                 | mov                 edx, dword ptr [eax + 0x10]
            //   33c0                 | dec                 eax
            //   eb0a                 | mov                 dword ptr [esp + 0x68], eax
            //   b952ca0000           | dec                 eax
            //   e8????????           |                     

        $sequence_2 = { a846 750f b99be00100 e8???????? e9???????? }
            // n = 5, score = 400
            //   a846                 | mov                 eax, esi
            //   750f                 | test                eax, eax
            //   b99be00100           | jle                 0x8bf
            //   e8????????           |                     
            //   e9????????           |                     

        $sequence_3 = { 750f b962890100 e8???????? e9???????? }
            // n = 4, score = 400
            //   750f                 | jbe                 0x1376
            //   b962890100           | inc                 esp
            //   e8????????           |                     
            //   e9????????           |                     

        $sequence_4 = { 750a b80a0c0000 e9???????? e8???????? }
            // n = 4, score = 400
            //   750a                 | mov                 dword ptr [eax + 0x74], esp
            //   b80a0c0000           | dec                 edx
            //   e9????????           |                     
            //   e8????????           |                     

        $sequence_5 = { 760f b938e40000 e8???????? e9???????? }
            // n = 4, score = 400
            //   760f                 | lea                 edi, [esi + 0x20]
            //   b938e40000           | xor                 ecx, ecx
            //   e8????????           |                     
            //   e9????????           |                     

        $sequence_6 = { e9???????? b9cecc0000 e9???????? b9c7cc0000 }
            // n = 4, score = 400
            //   e9????????           |                     
            //   b9cecc0000           | inc                 eax
            //   e9????????           |                     
            //   b9c7cc0000           | mov                 edi, dword ptr [ebp - 0x3c]

        $sequence_7 = { 750e b958de0100 e8???????? 8bc8 }
            // n = 4, score = 400
            //   750e                 | dec                 esp
            //   b958de0100           | mov                 ecx, dword ptr [ecx + 0x10]
            //   e8????????           |                     
            //   8bc8                 | dec                 ebp

        $sequence_8 = { 790e b91dca0000 e8???????? 8907 }
            // n = 4, score = 400
            //   790e                 | mov                 ecx, dword ptr [esi + 0x50]
            //   b91dca0000           | movzx               eax, byte ptr [ecx + 1]
            //   e8????????           |                     
            //   8907                 | dec                 ebp

        $sequence_9 = { eb0c b96ccb0000 eb05 b960cb0000 e8???????? eb02 }
            // n = 6, score = 400
            //   eb0c                 | mov                 edi, dword ptr [ebp - 0x14]
            //   b96ccb0000           | mov                 ebx, dword ptr [ebp - 0x10]
            //   eb05                 | cmp                 dword ptr [esi + 0x4c], 0
            //   b960cb0000           | je                  0xa11
            //   e8????????           |                     
            //   eb02                 | sub                 ecx, 1

    condition:
        7 of them and filesize < 1458176
}