rule win_floxif_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.floxif."
        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.floxif"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { e8???????? 8d8d2cfeffff e8???????? 8d8d3cfeffff e8???????? 8d4de0 e8???????? }
            // n = 7, score = 100
            //   e8????????           |                     
            //   8d8d2cfeffff         | lea                 ecx, [ebp - 0x1d4]
            //   e8????????           |                     
            //   8d8d3cfeffff         | lea                 ecx, [ebp - 0x1c4]
            //   e8????????           |                     
            //   8d4de0               | lea                 ecx, [ebp - 0x20]
            //   e8????????           |                     

        $sequence_1 = { 8d95c8fdffff 52 e8???????? 83c408 8d45ec 50 e8???????? }
            // n = 7, score = 100
            //   8d95c8fdffff         | lea                 edx, [ebp - 0x238]
            //   52                   | push                edx
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   8d45ec               | lea                 eax, [ebp - 0x14]
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_2 = { 837dac14 7e02 eb02 ebd1 6a07 8d4db0 e8???????? }
            // n = 7, score = 100
            //   837dac14             | cmp                 dword ptr [ebp - 0x54], 0x14
            //   7e02                 | jle                 4
            //   eb02                 | jmp                 4
            //   ebd1                 | jmp                 0xffffffd3
            //   6a07                 | push                7
            //   8d4db0               | lea                 ecx, [ebp - 0x50]
            //   e8????????           |                     

        $sequence_3 = { 8b4808 51 8b550c c1e204 8b45f0 8b4808 }
            // n = 6, score = 100
            //   8b4808               | mov                 ecx, dword ptr [eax + 8]
            //   51                   | push                ecx
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   c1e204               | shl                 edx, 4
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   8b4808               | mov                 ecx, dword ptr [eax + 8]

        $sequence_4 = { e8???????? 8d4de0 e8???????? 8d4d08 e8???????? 8a45b8 8be5 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   8d4de0               | lea                 ecx, [ebp - 0x20]
            //   e8????????           |                     
            //   8d4d08               | lea                 ecx, [ebp + 8]
            //   e8????????           |                     
            //   8a45b8               | mov                 al, byte ptr [ebp - 0x48]
            //   8be5                 | mov                 esp, ebp

        $sequence_5 = { 8d956cfeffff 52 8d4de0 e8???????? 8d45c4 50 e8???????? }
            // n = 7, score = 100
            //   8d956cfeffff         | lea                 edx, [ebp - 0x194]
            //   52                   | push                edx
            //   8d4de0               | lea                 ecx, [ebp - 0x20]
            //   e8????????           |                     
            //   8d45c4               | lea                 eax, [ebp - 0x3c]
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_6 = { 8b4508 3b450c 741d 8b4d08 51 e8???????? 83c404 }
            // n = 7, score = 100
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   3b450c               | cmp                 eax, dword ptr [ebp + 0xc]
            //   741d                 | je                  0x1f
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   51                   | push                ecx
            //   e8????????           |                     
            //   83c404               | add                 esp, 4

        $sequence_7 = { c6856ffcffffd4 c68570fcffffd5 c68571fcffffd5 c68572fcffff88 c68573fcffffc3 c68574fcffffde c68575fcffffc3 }
            // n = 7, score = 100
            //   c6856ffcffffd4       | mov                 byte ptr [ebp - 0x391], 0xd4
            //   c68570fcffffd5       | mov                 byte ptr [ebp - 0x390], 0xd5
            //   c68571fcffffd5       | mov                 byte ptr [ebp - 0x38f], 0xd5
            //   c68572fcffff88       | mov                 byte ptr [ebp - 0x38e], 0x88
            //   c68573fcffffc3       | mov                 byte ptr [ebp - 0x38d], 0xc3
            //   c68574fcffffde       | mov                 byte ptr [ebp - 0x38c], 0xde
            //   c68575fcffffc3       | mov                 byte ptr [ebp - 0x38b], 0xc3

        $sequence_8 = { 83e905 894df0 6a04 8d55f0 52 8d45e9 50 }
            // n = 7, score = 100
            //   83e905               | sub                 ecx, 5
            //   894df0               | mov                 dword ptr [ebp - 0x10], ecx
            //   6a04                 | push                4
            //   8d55f0               | lea                 edx, [ebp - 0x10]
            //   52                   | push                edx
            //   8d45e9               | lea                 eax, [ebp - 0x17]
            //   50                   | push                eax

        $sequence_9 = { 8b9590fdffff 8b4204 a3???????? 8b4d08 51 ff15???????? c705????????00000000 }
            // n = 7, score = 100
            //   8b9590fdffff         | mov                 edx, dword ptr [ebp - 0x270]
            //   8b4204               | mov                 eax, dword ptr [edx + 4]
            //   a3????????           |                     
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   51                   | push                ecx
            //   ff15????????         |                     
            //   c705????????00000000     |     

    condition:
        7 of them and filesize < 352256
}