rule win_icedid_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-05-30"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.4.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.icedid"
        malpedia_rule_date = "20200529"
        malpedia_hash = "92c362319514e5a6da26204961446caa3a8b32a8"
        malpedia_version = "20200529"
        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 / approach 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 = { ff15???????? eb0f 6a08 ff15???????? }
            // n = 4, score = 1300
            //   ff15????????         |                     
            //   eb0f                 | jmp                 0x11
            //   6a08                 | push                8
            //   ff15????????         |                     

        $sequence_1 = { 6a02 ff75fc ff15???????? 8bf0 }
            // n = 4, score = 1300
            //   6a02                 | push                2
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   ff15????????         |                     
            //   8bf0                 | mov                 esi, eax

        $sequence_2 = { 85f6 742c 803e00 7427 6a3b 56 ff15???????? }
            // n = 7, score = 1300
            //   85f6                 | test                esi, esi
            //   742c                 | je                  0x2e
            //   803e00               | cmp                 byte ptr [esi], 0
            //   7427                 | je                  0x29
            //   6a3b                 | push                0x3b
            //   56                   | push                esi
            //   ff15????????         |                     

        $sequence_3 = { 68???????? 6a00 ff15???????? 33c0 40 }
            // n = 5, score = 1300
            //   68????????           |                     
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   33c0                 | xor                 eax, eax
            //   40                   | inc                 eax

        $sequence_4 = { 7413 ff36 6a08 ff15???????? }
            // n = 4, score = 1300
            //   7413                 | je                  0x15
            //   ff36                 | push                dword ptr [esi]
            //   6a08                 | push                8
            //   ff15????????         |                     

        $sequence_5 = { 7411 ff7500 56 ff15???????? 50 ff15???????? }
            // n = 6, score = 1300
            //   7411                 | je                  0x13
            //   ff7500               | push                dword ptr [ebp]
            //   56                   | push                esi
            //   ff15????????         |                     
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_6 = { 8bf7 8bc6 eb02 33c0 5f }
            // n = 5, score = 1300
            //   8bf7                 | mov                 esi, edi
            //   8bc6                 | mov                 eax, esi
            //   eb02                 | jmp                 4
            //   33c0                 | xor                 eax, eax
            //   5f                   | pop                 edi

        $sequence_7 = { 6a08 ff15???????? 50 ff15???????? 8bf0 85f6 7502 }
            // n = 7, score = 1300
            //   6a08                 | push                8
            //   ff15????????         |                     
            //   50                   | push                eax
            //   ff15????????         |                     
            //   8bf0                 | mov                 esi, eax
            //   85f6                 | test                esi, esi
            //   7502                 | jne                 4

        $sequence_8 = { e8???????? 8bf0 8d45fc 50 ff75fc 6a05 }
            // n = 6, score = 1000
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   8d45fc               | lea                 eax, [ebp - 4]
            //   50                   | push                eax
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   6a05                 | push                5

        $sequence_9 = { 66c16c241c0c 0fb7d2 c744241000100000 663b542410 7215 81e2ff0f0000 }
            // n = 6, score = 800
            //   66c16c241c0c         | shr                 word ptr [esp + 0x1c], 0xc
            //   0fb7d2               | movzx               edx, dx
            //   c744241000100000     | mov                 dword ptr [esp + 0x10], 0x1000
            //   663b542410           | cmp                 dx, word ptr [esp + 0x10]
            //   7215                 | jb                  0x17
            //   81e2ff0f0000         | and                 edx, 0xfff

        $sequence_10 = { d1ed 6a00 5f 743f 8d5808 }
            // n = 5, score = 800
            //   d1ed                 | shr                 ebp, 1
            //   6a00                 | push                0
            //   5f                   | pop                 edi
            //   743f                 | je                  0x41
            //   8d5808               | lea                 ebx, [eax + 8]

        $sequence_11 = { eb5c 8d5004 89542414 8b12 }
            // n = 4, score = 800
            //   eb5c                 | jmp                 0x5e
            //   8d5004               | lea                 edx, [eax + 4]
            //   89542414             | mov                 dword ptr [esp + 0x14], edx
            //   8b12                 | mov                 edx, dword ptr [edx]

        $sequence_12 = { 8d4508 50 0fb6440b34 50 ff740b28 8b440b24 }
            // n = 6, score = 800
            //   8d4508               | lea                 eax, [ebp + 8]
            //   50                   | push                eax
            //   0fb6440b34           | movzx               eax, byte ptr [ebx + ecx + 0x34]
            //   50                   | push                eax
            //   ff740b28             | push                dword ptr [ebx + ecx + 0x28]
            //   8b440b24             | mov                 eax, dword ptr [ebx + ecx + 0x24]

        $sequence_13 = { 89542414 8b12 85d2 7454 }
            // n = 4, score = 800
            //   89542414             | mov                 dword ptr [esp + 0x14], edx
            //   8b12                 | mov                 edx, dword ptr [edx]
            //   85d2                 | test                edx, edx
            //   7454                 | je                  0x56

        $sequence_14 = { 47 83c302 3bfd 72c4 }
            // n = 4, score = 800
            //   47                   | inc                 edi
            //   83c302               | add                 ebx, 2
            //   3bfd                 | cmp                 edi, ebp
            //   72c4                 | jb                  0xffffffc6

        $sequence_15 = { ff7008 ff36 e8???????? 83c40c }
            // n = 4, score = 800
            //   ff7008               | push                dword ptr [eax + 8]
            //   ff36                 | push                dword ptr [esi]
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc

        $sequence_16 = { a808 75f5 a804 7406 }
            // n = 4, score = 400
            //   a808                 | test                al, 8
            //   75f5                 | jne                 0xfffffff7
            //   a804                 | test                al, 4
            //   7406                 | je                  8

        $sequence_17 = { ff15???????? 85c0 750a b8010000c0 }
            // n = 4, score = 400
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   750a                 | jne                 0xc
            //   b8010000c0           | mov                 eax, 0xc0000001

        $sequence_18 = { ff5010 85c0 7407 33c0 }
            // n = 4, score = 400
            //   ff5010               | call                dword ptr [eax + 0x10]
            //   85c0                 | test                eax, eax
            //   7407                 | je                  9
            //   33c0                 | xor                 eax, eax

        $sequence_19 = { c1ca0d 0fbec0 03d0 48 ffc1 8a01 84c0 }
            // n = 7, score = 200
            //   c1ca0d               | ror                 edx, 0xd
            //   0fbec0               | movsx               eax, al
            //   03d0                 | add                 edx, eax
            //   48                   | dec                 eax
            //   ffc1                 | inc                 ecx
            //   8a01                 | mov                 al, byte ptr [ecx]
            //   84c0                 | test                al, al

        $sequence_20 = { 891d???????? 891d???????? 871d???????? 48 8b5c2430 }
            // n = 5, score = 200
            //   891d????????         |                     
            //   891d????????         |                     
            //   871d????????         |                     
            //   48                   | dec                 eax
            //   8b5c2430             | mov                 ebx, dword ptr [esp + 0x30]

        $sequence_21 = { 48 83ec20 41 83c9ff 45 33d2 44 }
            // n = 7, score = 200
            //   48                   | dec                 eax
            //   83ec20               | sub                 esp, 0x20
            //   41                   | inc                 ecx
            //   83c9ff               | or                  ecx, 0xffffffff
            //   45                   | inc                 ebp
            //   33d2                 | xor                 edx, edx
            //   44                   | inc                 esp

        $sequence_22 = { 0fb6c5 0f46d0 44 8af2 41 f6c040 }
            // n = 6, score = 200
            //   0fb6c5               | movzx               eax, ch
            //   0f46d0               | cmovbe              edx, eax
            //   44                   | inc                 esp
            //   8af2                 | mov                 dh, dl
            //   41                   | inc                 ecx
            //   f6c040               | test                al, 0x40

        $sequence_23 = { 33c0 4d 8bf0 48 8bf2 45 }
            // n = 6, score = 200
            //   33c0                 | xor                 eax, eax
            //   4d                   | dec                 ebp
            //   8bf0                 | mov                 esi, eax
            //   48                   | dec                 eax
            //   8bf2                 | mov                 esi, edx
            //   45                   | inc                 ebp

    condition:
        7 of them and filesize < 303104
}