rule win_andromut_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        version = "1"
        description = "Detects win.andromut."
        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.andromut"
        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 = { 33c0 eb02 8bc7 8b4dfc 5f 33cd 5e }
            // n = 7, score = 200
            //   33c0                 | xor                 eax, eax
            //   eb02                 | jmp                 4
            //   8bc7                 | mov                 eax, edi
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   5f                   | pop                 edi
            //   33cd                 | xor                 ecx, ebp
            //   5e                   | pop                 esi

        $sequence_1 = { 8b8568e0ffff 3c02 0f85a2080000 c1e808 }
            // n = 4, score = 200
            //   8b8568e0ffff         | mov                 eax, dword ptr [ebp - 0x1f98]
            //   3c02                 | cmp                 al, 2
            //   0f85a2080000         | jne                 0x8a8
            //   c1e808               | shr                 eax, 8

        $sequence_2 = { 56 50 6a01 e8???????? 83c40c 68ff000000 }
            // n = 6, score = 200
            //   56                   | push                esi
            //   50                   | push                eax
            //   6a01                 | push                1
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   68ff000000           | push                0xff

        $sequence_3 = { 8bcf e8???????? 8d850cffffff 50 8d8574ffffff 50 8d95fcfcffff }
            // n = 7, score = 200
            //   8bcf                 | mov                 ecx, edi
            //   e8????????           |                     
            //   8d850cffffff         | lea                 eax, [ebp - 0xf4]
            //   50                   | push                eax
            //   8d8574ffffff         | lea                 eax, [ebp - 0x8c]
            //   50                   | push                eax
            //   8d95fcfcffff         | lea                 edx, [ebp - 0x304]

        $sequence_4 = { ffd0 b974723dc5 e8???????? 68???????? 8d8d00f8ffff 51 ffd0 }
            // n = 7, score = 200
            //   ffd0                 | call                eax
            //   b974723dc5           | mov                 ecx, 0xc53d7274
            //   e8????????           |                     
            //   68????????           |                     
            //   8d8d00f8ffff         | lea                 ecx, [ebp - 0x800]
            //   51                   | push                ecx
            //   ffd0                 | call                eax

        $sequence_5 = { c745e43083c081 c745e840f890f6 c745ec30f3b0ee c745f0c0f950f8 c745f4e0e250df c745f8d0e200fe 0fb74455a4 }
            // n = 7, score = 200
            //   c745e43083c081       | mov                 dword ptr [ebp - 0x1c], 0x81c08330
            //   c745e840f890f6       | mov                 dword ptr [ebp - 0x18], 0xf690f840
            //   c745ec30f3b0ee       | mov                 dword ptr [ebp - 0x14], 0xeeb0f330
            //   c745f0c0f950f8       | mov                 dword ptr [ebp - 0x10], 0xf850f9c0
            //   c745f4e0e250df       | mov                 dword ptr [ebp - 0xc], 0xdf50e2e0
            //   c745f8d0e200fe       | mov                 dword ptr [ebp - 8], 0xfe00e2d0
            //   0fb74455a4           | movzx               eax, word ptr [ebp + edx*2 - 0x5c]

        $sequence_6 = { c745d4cc4fb44d c745d86c42e83e 8bde c745dc2c446642 c745e0a03bd524 c745e4d75ad51a c745e8d9dada1a }
            // n = 7, score = 200
            //   c745d4cc4fb44d       | mov                 dword ptr [ebp - 0x2c], 0x4db44fcc
            //   c745d86c42e83e       | mov                 dword ptr [ebp - 0x28], 0x3ee8426c
            //   8bde                 | mov                 ebx, esi
            //   c745dc2c446642       | mov                 dword ptr [ebp - 0x24], 0x4266442c
            //   c745e0a03bd524       | mov                 dword ptr [ebp - 0x20], 0x24d53ba0
            //   c745e4d75ad51a       | mov                 dword ptr [ebp - 0x1c], 0x1ad55ad7
            //   c745e8d9dada1a       | mov                 dword ptr [ebp - 0x18], 0x1adadad9

        $sequence_7 = { b94c77d607 50 e8???????? ffd0 8d4da4 8d5102 668b01 }
            // n = 7, score = 200
            //   b94c77d607           | mov                 ecx, 0x7d6774c
            //   50                   | push                eax
            //   e8????????           |                     
            //   ffd0                 | call                eax
            //   8d4da4               | lea                 ecx, [ebp - 0x5c]
            //   8d5102               | lea                 edx, [ecx + 2]
            //   668b01               | mov                 ax, word ptr [ecx]

        $sequence_8 = { e8???????? 83c40c 8d44246c b974723dc5 50 8d84247c030000 50 }
            // n = 7, score = 200
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8d44246c             | lea                 eax, [esp + 0x6c]
            //   b974723dc5           | mov                 ecx, 0xc53d7274
            //   50                   | push                eax
            //   8d84247c030000       | lea                 eax, [esp + 0x37c]
            //   50                   | push                eax

        $sequence_9 = { 83c40c 50 57 57 e8???????? 8b15???????? 8d442418 }
            // n = 7, score = 200
            //   83c40c               | add                 esp, 0xc
            //   50                   | push                eax
            //   57                   | push                edi
            //   57                   | push                edi
            //   e8????????           |                     
            //   8b15????????         |                     
            //   8d442418             | lea                 eax, [esp + 0x18]

    condition:
        7 of them and filesize < 368640
}