rule win_ice_ix_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.ice_ix."
        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.ice_ix"
        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 = { 0f95c0 83c03d e8???????? 5f 5e 5b }
            // n = 6, score = 200
            //   0f95c0               | setne               al
            //   83c03d               | add                 eax, 0x3d
            //   e8????????           |                     
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5b                   | pop                 ebx

        $sequence_1 = { 6a02 6818257648 e8???????? 8944241c 3bc3 }
            // n = 5, score = 200
            //   6a02                 | push                2
            //   6818257648           | push                0x48762518
            //   e8????????           |                     
            //   8944241c             | mov                 dword ptr [esp + 0x1c], eax
            //   3bc3                 | cmp                 eax, ebx

        $sequence_2 = { 8bd8 58 e8???????? 56 6a47 8945f0 58 }
            // n = 7, score = 200
            //   8bd8                 | mov                 ebx, eax
            //   58                   | pop                 eax
            //   e8????????           |                     
            //   56                   | push                esi
            //   6a47                 | push                0x47
            //   8945f0               | mov                 dword ptr [ebp - 0x10], eax
            //   58                   | pop                 eax

        $sequence_3 = { b304 47 ff760c 33d2 ff7608 8bcf }
            // n = 6, score = 200
            //   b304                 | mov                 bl, 4
            //   47                   | inc                 edi
            //   ff760c               | push                dword ptr [esi + 0xc]
            //   33d2                 | xor                 edx, edx
            //   ff7608               | push                dword ptr [esi + 8]
            //   8bcf                 | mov                 ecx, edi

        $sequence_4 = { f645f404 7433 6a4a 8d75cc }
            // n = 4, score = 200
            //   f645f404             | test                byte ptr [ebp - 0xc], 4
            //   7433                 | je                  0x35
            //   6a4a                 | push                0x4a
            //   8d75cc               | lea                 esi, [ebp - 0x34]

        $sequence_5 = { 0f84dc000000 8d442420 50 ff15???????? 8db424c0000000 b8a2000000 e8???????? }
            // n = 7, score = 200
            //   0f84dc000000         | je                  0xe2
            //   8d442420             | lea                 eax, [esp + 0x20]
            //   50                   | push                eax
            //   ff15????????         |                     
            //   8db424c0000000       | lea                 esi, [esp + 0xc0]
            //   b8a2000000           | mov                 eax, 0xa2
            //   e8????????           |                     

        $sequence_6 = { 7413 80fa0a 740e 80fa20 0f82ed010000 40 }
            // n = 6, score = 200
            //   7413                 | je                  0x15
            //   80fa0a               | cmp                 dl, 0xa
            //   740e                 | je                  0x10
            //   80fa20               | cmp                 dl, 0x20
            //   0f82ed010000         | jb                  0x1f3
            //   40                   | inc                 eax

        $sequence_7 = { c20400 55 8bec 83ec20 56 6a5c }
            // n = 6, score = 200
            //   c20400               | ret                 4
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   83ec20               | sub                 esp, 0x20
            //   56                   | push                esi
            //   6a5c                 | push                0x5c

        $sequence_8 = { e8???????? 6a0a 8d7c2438 58 e8???????? 8b4508 8b00 }
            // n = 7, score = 200
            //   e8????????           |                     
            //   6a0a                 | push                0xa
            //   8d7c2438             | lea                 edi, [esp + 0x38]
            //   58                   | pop                 eax
            //   e8????????           |                     
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b00                 | mov                 eax, dword ptr [eax]

        $sequence_9 = { e8???????? 8d75c0 b885000000 e8???????? }
            // n = 4, score = 200
            //   e8????????           |                     
            //   8d75c0               | lea                 esi, [ebp - 0x40]
            //   b885000000           | mov                 eax, 0x85
            //   e8????????           |                     

    condition:
        7 of them and filesize < 327680
}