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Timelapse

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nmap findings

nmap -p53,88,139,135,389,445,464,593,636,3268,3269,5986,9389,49667,49673,49674,49696,58232 -sV -sC -T4 -Pn -oA 10.10.11.152 10.10.11.152

Starting Nmap 7.93 ( https://nmap.org ) at 2023-08-03 07:03 +08
Nmap scan report for timelapse.htb (10.10.11.152)
Host is up (0.017s latency).

PORT      STATE SERVICE       VERSION
53/tcp    open  domain        Simple DNS Plus
88/tcp    open  kerberos-sec  Microsoft Windows Kerberos (server time: 2023-08-03 07:03:17Z)
135/tcp   open  msrpc         Microsoft Windows RPC
139/tcp   open  netbios-ssn   Microsoft Windows netbios-ssn
389/tcp   open  ldap          Microsoft Windows Active Directory LDAP (Domain: timelapse.htb0., Site: Default-First-Site-Name)
445/tcp   open  microsoft-ds?
464/tcp   open  kpasswd5?
593/tcp   open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
636/tcp   open  tcpwrapped
3268/tcp  open  ldap          Microsoft Windows Active Directory LDAP (Domain: timelapse.htb0., Site: Default-First-Site-Name)
3269/tcp  open  tcpwrapped
5986/tcp  open  ssl/http      Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_ssl-date: 2023-08-03T07:04:46+00:00; +7h59m59s from scanner time.
|_http-server-header: Microsoft-HTTPAPI/2.0
| tls-alpn: 
|_  http/1.1
|_http-title: Not Found
| ssl-cert: Subject: commonName=dc01.timelapse.htb
| Not valid before: 2021-10-25T14:05:29
|_Not valid after:  2022-10-25T14:25:29
9389/tcp  open  mc-nmf        .NET Message Framing
49667/tcp open  msrpc         Microsoft Windows RPC
49673/tcp open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
49674/tcp open  msrpc         Microsoft Windows RPC
49696/tcp open  msrpc         Microsoft Windows RPC
58232/tcp open  msrpc         Microsoft Windows RPC
Service Info: Host: DC01; OS: Windows; CPE: cpe:/o:microsoft:windows

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SMB enum

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smbclient

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Using crackmap with 'fake user' and '' empty password

Accessing Shares

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Zip cracking

fcrackzip

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pfx2john

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john

Use the passphrase to exrtract key and cert

decrypt the key using password set just now

dump the cert

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Priv Esc

evil-winrm to get shell

  • -S - Enable SSL, because I’m connecting to 5986;

  • -c legacyy_dev_auth.crt - provide the public key certificate

  • -k legacyy_dev_auth.key - provide the private key

  • -i timelapse.htb - host to connect to

Find powershell history (.bash_history in linux)

Reading its content contain password for svc_deploy

Reconnect using svc_deploy

found interesting group in whoami /all

LAPS_Readers seems to imply svc_deploy has access to read from LAPS.

With LAPS, the DC manages the local administrator passwords for computers on the domain. It is common to create a group of users and give them permissions to read these passwords, allowing the trusted administrators access to all the local admin passwords.

Read Password

To read the LAPS password, I just need to use Get-ADComputer and specifically request the ms-mcs-admpwd property:

login as administrator

finding and reading flags

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