rule win_afrodita_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.afrodita."
        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.afrodita"
        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 = { 722c 8b06 ba00000000 2b450c 8b5e04 1bd2 8906 }
            // n = 7, score = 300
            //   722c                 | jb                  0x2e
            //   8b06                 | mov                 eax, dword ptr [esi]
            //   ba00000000           | mov                 edx, 0
            //   2b450c               | sub                 eax, dword ptr [ebp + 0xc]
            //   8b5e04               | mov                 ebx, dword ptr [esi + 4]
            //   1bd2                 | sbb                 edx, edx
            //   8906                 | mov                 dword ptr [esi], eax

        $sequence_1 = { e8???????? 83c408 c645fc02 8d856cffffff 50 8d4dd4 e8???????? }
            // n = 7, score = 300
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   c645fc02             | mov                 byte ptr [ebp - 4], 2
            //   8d856cffffff         | lea                 eax, [ebp - 0x94]
            //   50                   | push                eax
            //   8d4dd4               | lea                 ecx, [ebp - 0x2c]
            //   e8????????           |                     

        $sequence_2 = { 48 c1e902 83e203 23c8 8b4350 5b }
            // n = 6, score = 300
            //   48                   | dec                 eax
            //   c1e902               | shr                 ecx, 2
            //   83e203               | and                 edx, 3
            //   23c8                 | and                 ecx, eax
            //   8b4350               | mov                 eax, dword ptr [ebx + 0x50]
            //   5b                   | pop                 ebx

        $sequence_3 = { 6a01 8d8d34fdffff e8???????? 8d8534fdffff c645fc12 50 8d851cfdffff }
            // n = 7, score = 300
            //   6a01                 | push                1
            //   8d8d34fdffff         | lea                 ecx, [ebp - 0x2cc]
            //   e8????????           |                     
            //   8d8534fdffff         | lea                 eax, [ebp - 0x2cc]
            //   c645fc12             | mov                 byte ptr [ebp - 4], 0x12
            //   50                   | push                eax
            //   8d851cfdffff         | lea                 eax, [ebp - 0x2e4]

        $sequence_4 = { c1ef04 85ff 0f8534ffffff 8bb554ffffff 0f1045a8 0f118578ffffff f30f7e45b8 }
            // n = 7, score = 300
            //   c1ef04               | shr                 edi, 4
            //   85ff                 | test                edi, edi
            //   0f8534ffffff         | jne                 0xffffff3a
            //   8bb554ffffff         | mov                 esi, dword ptr [ebp - 0xac]
            //   0f1045a8             | movups              xmm0, xmmword ptr [ebp - 0x58]
            //   0f118578ffffff       | movups              xmmword ptr [ebp - 0x88], xmm0
            //   f30f7e45b8           | movq                xmm0, qword ptr [ebp - 0x48]

        $sequence_5 = { 8d4da0 ff5018 6a00 8d45a0 56 50 e8???????? }
            // n = 7, score = 300
            //   8d4da0               | lea                 ecx, [ebp - 0x60]
            //   ff5018               | call                dword ptr [eax + 0x18]
            //   6a00                 | push                0
            //   8d45a0               | lea                 eax, [ebp - 0x60]
            //   56                   | push                esi
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_6 = { e8???????? 8b5dec 8d4d98 ff7510 83cb13 c745fc04000000 }
            // n = 6, score = 300
            //   e8????????           |                     
            //   8b5dec               | mov                 ebx, dword ptr [ebp - 0x14]
            //   8d4d98               | lea                 ecx, [ebp - 0x68]
            //   ff7510               | push                dword ptr [ebp + 0x10]
            //   83cb13               | or                  ebx, 0x13
            //   c745fc04000000       | mov                 dword ptr [ebp - 4], 4

        $sequence_7 = { 03cf 03f7 f7da 03f8 8955f4 8b45f0 }
            // n = 6, score = 300
            //   03cf                 | add                 ecx, edi
            //   03f7                 | add                 esi, edi
            //   f7da                 | neg                 edx
            //   03f8                 | add                 edi, eax
            //   8955f4               | mov                 dword ptr [ebp - 0xc], edx
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]

        $sequence_8 = { 898564ffffff 89bd48ffffff 68???????? 89bd14ffffff e8???????? 68???????? 8d85c8feffff }
            // n = 7, score = 300
            //   898564ffffff         | mov                 dword ptr [ebp - 0x9c], eax
            //   89bd48ffffff         | mov                 dword ptr [ebp - 0xb8], edi
            //   68????????           |                     
            //   89bd14ffffff         | mov                 dword ptr [ebp - 0xec], edi
            //   e8????????           |                     
            //   68????????           |                     
            //   8d85c8feffff         | lea                 eax, [ebp - 0x138]

        $sequence_9 = { 85c0 754c 6a01 8d4dd0 e8???????? }
            // n = 5, score = 300
            //   85c0                 | test                eax, eax
            //   754c                 | jne                 0x4e
            //   6a01                 | push                1
            //   8d4dd0               | lea                 ecx, [ebp - 0x30]
            //   e8????????           |                     

    condition:
        7 of them and filesize < 2334720
}