rule win_ice_ix_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        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 = "20230705"
        malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41"
        malpedia_version = "20230715"
        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 = { 807c240fe9 755b 8d442410 50 6843536254 68???????? ffd6 }
            // n = 7, score = 200
            //   807c240fe9           | cmp                 byte ptr [esp + 0xf], 0xe9
            //   755b                 | jne                 0x5d
            //   8d442410             | lea                 eax, [esp + 0x10]
            //   50                   | push                eax
            //   6843536254           | push                0x54625343
            //   68????????           |                     
            //   ffd6                 | call                esi

        $sequence_1 = { 6a67 8d75b0 58 e8???????? }
            // n = 4, score = 200
            //   6a67                 | push                0x67
            //   8d75b0               | lea                 esi, [ebp - 0x50]
            //   58                   | pop                 eax
            //   e8????????           |                     

        $sequence_2 = { 395dfc 7566 6a5a 8d75b8 }
            // n = 4, score = 200
            //   395dfc               | cmp                 dword ptr [ebp - 4], ebx
            //   7566                 | jne                 0x68
            //   6a5a                 | push                0x5a
            //   8d75b8               | lea                 esi, [ebp - 0x48]

        $sequence_3 = { 8d857cfeffff 50 e8???????? 50 8d45ec 50 8bc6 }
            // n = 7, score = 200
            //   8d857cfeffff         | lea                 eax, [ebp - 0x184]
            //   50                   | push                eax
            //   e8????????           |                     
            //   50                   | push                eax
            //   8d45ec               | lea                 eax, [ebp - 0x14]
            //   50                   | push                eax
            //   8bc6                 | mov                 eax, esi

        $sequence_4 = { 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_5 = { 833d????????04 8b7c2414 1bc0 f7d8 68cc000000 83c034 e8???????? }
            // n = 7, score = 200
            //   833d????????04       |                     
            //   8b7c2414             | mov                 edi, dword ptr [esp + 0x14]
            //   1bc0                 | sbb                 eax, eax
            //   f7d8                 | neg                 eax
            //   68cc000000           | push                0xcc
            //   83c034               | add                 eax, 0x34
            //   e8????????           |                     

        $sequence_6 = { ff15???????? 83f801 0f85f8feffff 837db800 0f86eefeffff }
            // n = 5, score = 200
            //   ff15????????         |                     
            //   83f801               | cmp                 eax, 1
            //   0f85f8feffff         | jne                 0xfffffefe
            //   837db800             | cmp                 dword ptr [ebp - 0x48], 0
            //   0f86eefeffff         | jbe                 0xfffffef4

        $sequence_7 = { 53 8d857cfeffff eb0b 6800010000 8d8590feffff 56 }
            // n = 6, score = 200
            //   53                   | push                ebx
            //   8d857cfeffff         | lea                 eax, [ebp - 0x184]
            //   eb0b                 | jmp                 0xd
            //   6800010000           | push                0x100
            //   8d8590feffff         | lea                 eax, [ebp - 0x170]
            //   56                   | push                esi

        $sequence_8 = { 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_9 = { 897c241c 6a77 8d742454 58 e8???????? 8b44240c 8b08 }
            // n = 7, score = 200
            //   897c241c             | mov                 dword ptr [esp + 0x1c], edi
            //   6a77                 | push                0x77
            //   8d742454             | lea                 esi, [esp + 0x54]
            //   58                   | pop                 eax
            //   e8????????           |                     
            //   8b44240c             | mov                 eax, dword ptr [esp + 0xc]
            //   8b08                 | mov                 ecx, dword ptr [eax]

    condition:
        7 of them and filesize < 327680
}