rule win_smanager_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.smanager."
        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.smanager"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { c7462cffffffff 7410 6a00 6a00 }
            // n = 4, score = 600
            //   c7462cffffffff       | mov                 dword ptr [esi + 0x28], edi
            //   7410                 | push                ecx
            //   6a00                 | call                eax
            //   6a00                 | add                 esp, 0xc

        $sequence_1 = { 8b4510 85c0 7407 50 ff15???????? 5f }
            // n = 6, score = 600
            //   8b4510               | lea                 eax, [0x1ec]
            //   85c0                 | dec                 eax
            //   7407                 | mov                 dword ptr [ebp - 9], eax
            //   50                   | dec                 eax
            //   ff15????????         |                     
            //   5f                   | mov                 dword ptr [ebp - 1], ebx

        $sequence_2 = { 51 51 ffd0 83c40c c7460800000000 }
            // n = 5, score = 600
            //   51                   | movaps              xmm0, xmmword ptr [ebp - 9]
            //   51                   | dec                 eax
            //   ffd0                 | lea                 ecx, [ebx + 0x10]
            //   83c40c               | inc                 ebp
            //   c7460800000000       | xor                 ecx, ecx

        $sequence_3 = { 85f6 7417 8b0e 85c9 }
            // n = 4, score = 600
            //   85f6                 | push                esi
            //   7417                 | push                0
            //   8b0e                 | push                0
            //   85c9                 | mov                 edi, eax

        $sequence_4 = { 8b7604 6a00 6a00 56 68???????? }
            // n = 5, score = 600
            //   8b7604               | xor                 edx, edx
            //   6a00                 | dec                 eax
            //   6a00                 | sub                 esp, 0x20
            //   56                   | dec                 eax
            //   68????????           |                     

        $sequence_5 = { 83c602 6a22 56 e8???????? 83c408 85c0 }
            // n = 6, score = 600
            //   83c602               | inc                 ebp
            //   6a22                 | xor                 eax, eax
            //   56                   | mov                 edx, dword ptr [edi + 4]
            //   e8????????           |                     
            //   83c408               | call                dword ptr [eax + 8]
            //   85c0                 | mov                 esi, dword ptr [esi + 4]

        $sequence_6 = { 8b4608 85c0 7420 a801 7515 83e0fe }
            // n = 6, score = 600
            //   8b4608               | push                esi
            //   85c0                 | add                 esp, 8
            //   7420                 | test                eax, eax
            //   a801                 | push                2
            //   7515                 | push                ecx
            //   83e0fe               | push                ecx

        $sequence_7 = { 6a00 6a00 ff15???????? 8bf8 897e28 }
            // n = 5, score = 600
            //   6a00                 | mov                 ebx, ecx
            //   6a00                 | dec                 eax
            //   ff15????????         |                     
            //   8bf8                 | lea                 eax, [0x9dfb]
            //   897e28               | dec                 eax

        $sequence_8 = { ff15???????? 32c0 e9???????? 0f1005???????? }
            // n = 4, score = 300
            //   ff15????????         |                     
            //   32c0                 | xor                 al, al
            //   e9????????           |                     
            //   0f1005????????       |                     

        $sequence_9 = { a801 751c 4883e0fe 488d4f08 4c8b08 4d85c9 740c }
            // n = 7, score = 100
            //   a801                 | test                al, 1
            //   751c                 | jne                 0x1e
            //   4883e0fe             | dec                 eax
            //   488d4f08             | and                 eax, 0xfffffffe
            //   4c8b08               | dec                 eax
            //   4d85c9               | lea                 ecx, [edi + 8]
            //   740c                 | dec                 esp

        $sequence_10 = { 0000 80ed4a 0044feff ff900100008c }
            // n = 4, score = 100
            //   0000                 | test                al, 1
            //   80ed4a               | je                  0xb
            //   0044feff             | push                2
            //   ff900100008c         | push                ecx

        $sequence_11 = { 4883ec20 488bd9 e8???????? 488d05fb9d0000 }
            // n = 4, score = 100
            //   4883ec20             | inc                 ebp
            //   488bd9               | xor                 eax, eax
            //   e8????????           |                     
            //   488d05fb9d0000       | dec                 eax

        $sequence_12 = { 0000 8b9534fdffff 83c201 899534fdffff }
            // n = 4, score = 100
            //   0000                 | add                 byte ptr [eax], al
            //   8b9534fdffff         | sub                 ch, 0x4a
            //   83c201               | add                 byte ptr [esi + edi*8 - 1], al
            //   899534fdffff         | call                dword ptr [eax - 0x73ffffff]

        $sequence_13 = { 0001 ce 50 0008 }
            // n = 4, score = 100
            //   0001                 | add                 byte ptr [edi + 0x73], dh
            //   ce                   | add                 byte ptr [eax], al
            //   50                   | mov                 edx, dword ptr [ebp - 0x2cc]
            //   0008                 | add                 edx, 1

        $sequence_14 = { 488d0d95fcffff ff15???????? b902800000 ff15???????? 90 }
            // n = 5, score = 100
            //   488d0d95fcffff       | je                  0xcd
            //   ff15????????         |                     
            //   b902800000           | mov                 word ptr [eax], bp
            //   ff15????????         |                     
            //   90                   | sub                 eax, ebx

        $sequence_15 = { b920000000 e8???????? 488bf8 448b842480000000 33d2 }
            // n = 5, score = 100
            //   b920000000           | lea                 ecx, [0xfffffc95]
            //   e8????????           |                     
            //   488bf8               | mov                 ecx, 0x8002
            //   448b842480000000     | nop                 
            //   33d2                 | je                  0x1e

        $sequence_16 = { 0006 fc 59 008dfd590000 }
            // n = 4, score = 100
            //   0006                 | add                 byte ptr [esi + edi*8], al
            //   fc                   | pop                 ecx
            //   59                   | add                 byte ptr [esi + edi*8 + 0x59], al
            //   008dfd590000         | add                 byte ptr [ecx + 0x59fe], cl

        $sequence_17 = { 488d05ec010000 488945f7 48895dff 0f2845f7 }
            // n = 4, score = 100
            //   488d05ec010000       | mov                 ecx, ebp
            //   488945f7             | inc                 ecx
            //   48895dff             | lea                 edx, [eax + 1]
            //   0f2845f7             | call                eax

        $sequence_18 = { 4885c0 0f84c7000000 668928 2bc3 448bc0 4981f8feffff7f }
            // n = 6, score = 100
            //   4885c0               | mov                 ecx, dword ptr [eax]
            //   0f84c7000000         | dec                 ebp
            //   668928               | test                ecx, ecx
            //   2bc3                 | je                  0xe
            //   448bc0               | dec                 eax
            //   4981f8feffff7f       | test                eax, eax

        $sequence_19 = { 741c 4533c0 488bcd 418d5001 ffd0 }
            // n = 5, score = 100
            //   741c                 | inc                 esp
            //   4533c0               | mov                 eax, eax
            //   488bcd               | dec                 ecx
            //   418d5001             | cmp                 eax, 0x7ffffffe
            //   ffd0                 | dec                 eax

        $sequence_20 = { 0000 0c0c 0c0c 0c0c 0c0c 0c0c 0102 }
            // n = 7, score = 100
            //   0000                 | mov                 esi, dword ptr [esi + 4]
            //   0c0c                 | push                0
            //   0c0c                 | push                0
            //   0c0c                 | push                esi
            //   0c0c                 | mov                 eax, dword ptr [esi + 8]
            //   0c0c                 | test                eax, eax
            //   0102                 | je                  0x24

        $sequence_21 = { 0003 b157 0000 0c0c }
            // n = 4, score = 100
            //   0003                 | add                 byte ptr [ecx], al
            //   b157                 | into                
            //   0000                 | push                eax
            //   0c0c                 | add                 byte ptr [eax], cl

        $sequence_22 = { 0007 b15a 0007 b15a }
            // n = 4, score = 100
            //   0007                 | add                 byte ptr [esi], al
            //   b15a                 | cld                 
            //   0007                 | pop                 ecx
            //   b15a                 | add                 byte ptr [ebp + 0x59fd], cl

        $sequence_23 = { 0004fe 59 0044fe59 0089fe590000 }
            // n = 4, score = 100
            //   0004fe               | add                 byte ptr [ebx], al
            //   59                   | mov                 cl, 0x57
            //   0044fe59             | add                 byte ptr [eax], al
            //   0089fe590000         | or                  al, 0xc

    condition:
        7 of them and filesize < 10013696
}