rule win_agfspy_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-03-28"
        version = "1"
        description = "Detects win.agfspy."
        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.agfspy"
        malpedia_rule_date = "20230328"
        malpedia_hash = "9d2d75cef573c1c2d861f5197df8f563b05a305d"
        malpedia_version = "20230407"
        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 = { 83c40c 85c0 7407 2bc6 83f8ff 750f 6a02 }
            // n = 7, score = 300
            //   83c40c               | add                 esp, 0xc
            //   85c0                 | test                eax, eax
            //   7407                 | je                  9
            //   2bc6                 | sub                 eax, esi
            //   83f8ff               | cmp                 eax, -1
            //   750f                 | jne                 0x11
            //   6a02                 | push                2

        $sequence_1 = { 8b5730 8b00 8b32 8945fc 8d0c70 85c0 }
            // n = 6, score = 300
            //   8b5730               | mov                 edx, dword ptr [edi + 0x30]
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   8b32                 | mov                 esi, dword ptr [edx]
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   8d0c70               | lea                 ecx, [eax + esi*2]
            //   85c0                 | test                eax, eax

        $sequence_2 = { 3bca 72d9 c745ec0f000000 c745e801000000 66c745d82200 57 }
            // n = 6, score = 300
            //   3bca                 | cmp                 ecx, edx
            //   72d9                 | jb                  0xffffffdb
            //   c745ec0f000000       | mov                 dword ptr [ebp - 0x14], 0xf
            //   c745e801000000       | mov                 dword ptr [ebp - 0x18], 1
            //   66c745d82200         | mov                 word ptr [ebp - 0x28], 0x22
            //   57                   | push                edi

        $sequence_3 = { 7408 8b10 8bc8 6a01 ff12 8b4dc8 8d550c }
            // n = 7, score = 300
            //   7408                 | je                  0xa
            //   8b10                 | mov                 edx, dword ptr [eax]
            //   8bc8                 | mov                 ecx, eax
            //   6a01                 | push                1
            //   ff12                 | call                dword ptr [edx]
            //   8b4dc8               | mov                 ecx, dword ptr [ebp - 0x38]
            //   8d550c               | lea                 edx, [ebp + 0xc]

        $sequence_4 = { 33c0 897db0 c745d400000000 c7471000000000 c7471407000000 668907 8945fc }
            // n = 7, score = 300
            //   33c0                 | xor                 eax, eax
            //   897db0               | mov                 dword ptr [ebp - 0x50], edi
            //   c745d400000000       | mov                 dword ptr [ebp - 0x2c], 0
            //   c7471000000000       | mov                 dword ptr [edi + 0x10], 0
            //   c7471407000000       | mov                 dword ptr [edi + 0x14], 7
            //   668907               | mov                 word ptr [edi], ax
            //   8945fc               | mov                 dword ptr [ebp - 4], eax

        $sequence_5 = { 8d4510 8bcf 8b17 50 ff5214 837d2000 c745fc00000000 }
            // n = 7, score = 300
            //   8d4510               | lea                 eax, [ebp + 0x10]
            //   8bcf                 | mov                 ecx, edi
            //   8b17                 | mov                 edx, dword ptr [edi]
            //   50                   | push                eax
            //   ff5214               | call                dword ptr [edx + 0x14]
            //   837d2000             | cmp                 dword ptr [ebp + 0x20], 0
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0

        $sequence_6 = { b801000000 5f 5e 5b c3 83f85b 0f85cd000000 }
            // n = 7, score = 300
            //   b801000000           | mov                 eax, 1
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5b                   | pop                 ebx
            //   c3                   | ret                 
            //   83f85b               | cmp                 eax, 0x5b
            //   0f85cd000000         | jne                 0xd3

        $sequence_7 = { 6685c0 0f84f8000000 6a00 50 8d4e24 e8???????? eb3a }
            // n = 7, score = 300
            //   6685c0               | test                ax, ax
            //   0f84f8000000         | je                  0xfe
            //   6a00                 | push                0
            //   50                   | push                eax
            //   8d4e24               | lea                 ecx, [esi + 0x24]
            //   e8????????           |                     
            //   eb3a                 | jmp                 0x3c

        $sequence_8 = { 5d 5b 5f 5e 59 c20400 83ff10 }
            // n = 7, score = 300
            //   5d                   | pop                 ebp
            //   5b                   | pop                 ebx
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   59                   | pop                 ecx
            //   c20400               | ret                 4
            //   83ff10               | cmp                 edi, 0x10

        $sequence_9 = { e8???????? 8d8550f8ffff 50 8d8de8f9ffff e8???????? 8d8d50f8ffff 8b7010 }
            // n = 7, score = 300
            //   e8????????           |                     
            //   8d8550f8ffff         | lea                 eax, [ebp - 0x7b0]
            //   50                   | push                eax
            //   8d8de8f9ffff         | lea                 ecx, [ebp - 0x618]
            //   e8????????           |                     
            //   8d8d50f8ffff         | lea                 ecx, [ebp - 0x7b0]
            //   8b7010               | mov                 esi, dword ptr [eax + 0x10]

    condition:
        7 of them and filesize < 1482752
}