rule win_icedid_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2018-11-23"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator 0.1a"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.icedid"
        malpedia_version = "20180607"
        malpedia_license = "CC BY-NC-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 will be published in the near future 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 = { 53 8bde 8a03 0fb6c8 }
            // n = 4, score = 4000
            //   53                   | push                ebx
            //   8bde                 | mov                 ebx, esi
            //   8a03                 | mov                 al, byte ptr [ebx]
            //   0fb6c8               | movzx               ecx, al

        $sequence_1 = { 834e08ff eb1b 80f930 7c05 }
            // n = 4, score = 4000
            //   834e08ff             | or                  dword ptr [esi + 8], 0xffffffff
            //   eb1b                 | jmp                 0x4074e8
            //   80f930               | cmp                 cl, 0x30
            //   7c05                 | jl                  0x4074d7

        $sequence_2 = { 83ffff 7504 33c0 eb5f }
            // n = 4, score = 4000
            //   83ffff               | cmp                 edi, 0xff
            //   7504                 | jne                 0x40cc4d
            //   33c0                 | xor                 eax, eax
            //   eb5f                 | jmp                 0x40ccac

        $sequence_3 = { 53 8b5c2430 57 f6c102 }
            // n = 4, score = 4000
            //   53                   | push                ebx
            //   8b5c2430             | mov                 ebx, dword ptr [esp + 0x30]
            //   57                   | push                edi
            //   f6c102               | test                cl, 2

        $sequence_4 = { 89542430 895c242c 895c241c 89542418 }
            // n = 4, score = 4000
            //   89542430             | mov                 dword ptr [esp + 0x30], edx
            //   895c242c             | mov                 dword ptr [esp + 0x2c], ebx
            //   895c241c             | mov                 dword ptr [esp + 0x1c], ebx
            //   89542418             | mov                 dword ptr [esp + 0x18], edx

        $sequence_5 = { 83c8ff f00fc107 48 7559 }
            // n = 4, score = 4000
            //   83c8ff               | or                  eax, 0xffffffff
            //   f00fc107             | lock xadd           dword ptr [edi], eax
            //   48                   | dec                 eax
            //   7559                 | jne                 0x40a5ff

        $sequence_6 = { 7418 33c9 41 eb0b }
            // n = 4, score = 4000
            //   7418                 | je                  0x406673
            //   33c9                 | xor                 ecx, ecx
            //   41                   | inc                 ecx
            //   eb0b                 | jmp                 0x40666b

        $sequence_7 = { 803e00 7427 6a3b 56 }
            // n = 4, score = 4000
            //   803e00               | cmp                 byte ptr [esi], 0
            //   7427                 | je                  0x404117
            //   6a3b                 | push                0x3b
            //   56                   | push                esi

        $sequence_8 = { 85db 7411 8a0432 02c4 }
            // n = 4, score = 4000
            //   85db                 | test                ebx, ebx
            //   7411                 | je                  0x4041f9
            //   8a0432               | mov                 al, byte ptr [edx + esi]
            //   02c4                 | add                 al, ah

        $sequence_9 = { 85c0 7410 ff763c ff742418 }
            // n = 4, score = 4000
            //   85c0                 | test                eax, eax
            //   7410                 | je                  0x40c3fa
            //   ff763c               | push                dword ptr [esi + 0x3c]
            //   ff742418             | push                dword ptr [esp + 0x18]

    condition:
        7 of them
}