Hero Image
[HTB] Machine: Conceal

Conceal

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.116 --min-rate 5000 -T4                          
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-17 19:23 BST
Nmap scan report for 10.10.10.116 (10.10.10.116)
Host is up.
All 65535 scanned ports on 10.10.10.116 (10.10.10.116) are in ignored states.
Not shown: 65535 filtered tcp ports (no-response)

Nmap done: 1 IP address (1 host up) scanned in 65.19 seconds

└─$ sudo nmap -sU -p- 10.10.10.116 --min-rate 5000 -T4
[sudo] password for kali: 
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-17 19:25 BST
Nmap scan report for 10.10.10.116 (10.10.10.116)
Host is up (0.10s latency).
Not shown: 65533 open|filtered udp ports (no-response)
PORT    STATE SERVICE
161/udp open  snmp
500/udp open  isakmp

Nmap done: 1 IP address (1 host up) scanned in 26.78 seconds

└─$ sudo nmap -sU -p161,500 -sC -sV 10.10.10.116 --min-rate 5000 -T4
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-17 19:26 BST
Nmap scan report for 10.10.10.116 (10.10.10.116)
Host is up (0.10s latency).

PORT    STATE SERVICE VERSION
161/udp open  snmp    SNMPv1 server (public)
| snmp-sysdescr: Hardware: AMD64 Family 23 Model 49 Stepping 0 AT/AT COMPATIBLE - Software: Windows Version 6.3 (Build 15063 Multiprocessor Free)
|_  System uptime: 7m13.71s (43371 timeticks)
| snmp-win32-software: 
|   Microsoft Visual C++ 2008 Redistributable - x64 9.0.30729.6161; 2021-03-17T15:16:36
|   Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161; 2021-03-17T15:16:36
|_  VMware Tools; 2021-03-17T15:16:36
| snmp-processes: 
|   1: 
|     Name: System Idle Process
|   4: 
|     Name: System
|   60: 
|     Name: svchost.exe
|     Path: C:\Windows\System32\
|     Params: -k LocalSystemNetworkRestricted
|   300: 
|     Name: smss.exe
|   332: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k LocalServiceNoNetwork
|   396: 
|     Name: csrss.exe
|   408: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k LocalServiceAndNoImpersonation
|   472: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k LocalService
|   476: 
|     Name: wininit.exe
|   488: 
|     Name: csrss.exe
|   544: 
|     Name: winlogon.exe
|   616: 
|     Name: services.exe
|   624: 
|     Name: lsass.exe
|     Path: C:\Windows\system32\
|   712: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k DcomLaunch
|   732: 
|     Name: fontdrvhost.exe
|   740: 
|     Name: fontdrvhost.exe
|   828: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k RPCSS
|   936: 
|     Name: dwm.exe
|   956: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k netsvcs
|   988: 
|     Name: svchost.exe
|     Path: C:\Windows\System32\
|     Params: -k LocalServiceNetworkRestricted
|   1052: 
|     Name: svchost.exe
|     Path: C:\Windows\System32\
|     Params: -k NetworkService
|   1116: 
|     Name: vmacthlp.exe
|     Path: C:\Program Files\VMware\VMware Tools\
|   1324: 
|     Name: svchost.exe
|     Path: C:\Windows\System32\
|     Params: -k LocalServiceNetworkRestricted
|   1376: 
|     Name: Memory Compression
|   1404: 
|     Name: svchost.exe
|     Path: C:\Windows\System32\
|     Params: -k LocalServiceNetworkRestricted
|   1412: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k LocalServiceNetworkRestricted
|   1420: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k LocalSystemNetworkRestricted
|   1544: 
|     Name: spoolsv.exe
|     Path: C:\Windows\System32\
|   1640: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k appmodel
|   1724: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k apphost
|   1740: 
|     Name: svchost.exe
|     Path: C:\Windows\System32\
|     Params: -k utcsvc
|   1780: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k ftpsvc
|   1812: 
|     Name: LogonUI.exe
|     Params:  /flags:0x0 /state0:0xa39c8855 /state1:0x41c64e6d
|   1848: 
|     Name: SecurityHealthService.exe
|   1864: 
|     Name: snmp.exe
|     Path: C:\Windows\System32\
|   1888: 
|     Name: VGAuthService.exe
|     Path: C:\Program Files\VMware\VMware Tools\VMware VGAuth\
|   1908: 
|     Name: vmtoolsd.exe
|     Path: C:\Program Files\VMware\VMware Tools\
|   1928: 
|     Name: ManagementAgentHost.exe
|     Path: C:\Program Files\VMware\VMware Tools\VMware CAF\pme\bin\
|   1952: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k iissvcs
|   1992: 
|     Name: MsMpEng.exe
|   2424: 
|     Name: svchost.exe
|     Path: C:\Windows\system32\
|     Params: -k NetworkServiceNetworkRestricted
|   2708: 
|     Name: SearchIndexer.exe
|     Path: C:\Windows\system32\
|     Params: /Embedding
|   2728: 
|     Name: svchost.exe
|   2816: 
|     Name: WmiPrvSE.exe
|     Path: C:\Windows\system32\wbem\
|   2964: 
|     Name: msdtc.exe
|     Path: C:\Windows\System32\
|   2992: 
|     Name: dllhost.exe
|     Path: C:\Windows\system32\
|     Params: /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}
|   3484: 
|     Name: NisSrv.exe
|   3828: 
|     Name: svchost.exe
|     Path: C:\Windows\System32\
|     Params: -k smphost
|   3952: 
|     Name: WmiPrvSE.exe
|_    Path: C:\Windows\system32\wbem\
| snmp-interfaces: 
|   Software Loopback Interface 1\x00
|     IP address: 127.0.0.1  Netmask: 255.0.0.0
|     Type: softwareLoopback  Speed: 1 Gbps
|     Traffic stats: 0.00 Kb sent, 0.00 Kb received
|   vmxnet3 Ethernet Adapter\x00
|     IP address: 10.10.10.116  Netmask: 255.255.255.0
|     MAC address: 00:50:56:b9:14:2a (VMware)
|     Type: ethernetCsmacd  Speed: 4 Gbps
|     Traffic stats: 88.01 Kb sent, 19.06 Mb received
|   vmxnet3 Ethernet Adapter-WFP Native MAC Layer LightWeight Filter-0000\x00
|     MAC address: 00:50:56:b9:14:2a (VMware)
|     Type: ethernetCsmacd  Speed: 4 Gbps
|     Traffic stats: 88.01 Kb sent, 19.06 Mb received
|   vmxnet3 Ethernet Adapter-QoS Packet Scheduler-0000\x00
|     MAC address: 00:50:56:b9:14:2a (VMware)
|     Type: ethernetCsmacd  Speed: 4 Gbps
|     Traffic stats: 88.01 Kb sent, 19.06 Mb received
|   vmxnet3 Ethernet Adapter-WFP 802.3 MAC Layer LightWeight Filter-0000\x00
|     MAC address: 00:50:56:b9:14:2a (VMware)
|     Type: ethernetCsmacd  Speed: 4 Gbps
|_    Traffic stats: 88.01 Kb sent, 19.06 Mb received
| snmp-netstat: 
|   TCP  0.0.0.0:21           0.0.0.0:0
|   TCP  0.0.0.0:80           0.0.0.0:0
|   TCP  0.0.0.0:135          0.0.0.0:0
|   TCP  0.0.0.0:445          0.0.0.0:0
|   TCP  0.0.0.0:49664        0.0.0.0:0
|   TCP  0.0.0.0:49665        0.0.0.0:0
|   TCP  0.0.0.0:49666        0.0.0.0:0
|   TCP  0.0.0.0:49667        0.0.0.0:0
|   TCP  0.0.0.0:49668        0.0.0.0:0
|   TCP  0.0.0.0:49669        0.0.0.0:0
|   TCP  0.0.0.0:49670        0.0.0.0:0
|   TCP  10.10.10.116:139     0.0.0.0:0
|   UDP  0.0.0.0:161          *:*
|   UDP  0.0.0.0:500          *:*
|   UDP  0.0.0.0:4500         *:*
|   UDP  0.0.0.0:5050         *:*
|   UDP  0.0.0.0:5353         *:*
|   UDP  0.0.0.0:5355         *:*
|   UDP  10.10.10.116:137     *:*
|   UDP  10.10.10.116:138     *:*
|   UDP  10.10.10.116:1900    *:*
|   UDP  10.10.10.116:57836   *:*
|   UDP  127.0.0.1:1900       *:*
|_  UDP  127.0.0.1:57837      *:*
| snmp-win32-users: 
|   Administrator
|   DefaultAccount
|   Destitute
|_  Guest
| snmp-win32-services: 
|   AppX Deployment Service (AppXSVC)
|   Application Host Helper Service
|   Background Intelligent Transfer Service
|   Background Tasks Infrastructure Service
|   Base Filtering Engine
|   CNG Key Isolation
|   COM+ Event System
|   COM+ System Application
|   Client License Service (ClipSVC)
|   Connected Devices Platform Service
|   Connected User Experiences and Telemetry
|   CoreMessaging
|   Cryptographic Services
|   DCOM Server Process Launcher
|   DHCP Client
|   DNS Client
|   Data Usage
|   Device Setup Manager
|   Diagnostic Policy Service
|   Diagnostic Service Host
|   Diagnostic System Host
|   Distributed Link Tracking Client
|   Distributed Transaction Coordinator
|   Group Policy Client
|   IKE and AuthIP IPsec Keying Modules
|   IP Helper
|   IPsec Policy Agent
|   Local Session Manager
|   Microsoft FTP Service
|   Microsoft Storage Spaces SMP
|   Network Connection Broker
|   Network List Service
|   Network Location Awareness
|   Network Store Interface Service
|   Plug and Play
|   Power
|   Print Spooler
|   Program Compatibility Assistant Service
|   RPC Endpoint Mapper
|   Remote Procedure Call (RPC)
|   SNMP Service
|   SSDP Discovery
|   Security Accounts Manager
|   Security Center
|   Server
|   Shell Hardware Detection
|   State Repository Service
|   Superfetch
|   System Event Notification Service
|   System Events Broker
|   TCP/IP NetBIOS Helper
|   Task Scheduler
|   Themes
|   Time Broker
|   TokenBroker
|   User Manager
|   User Profile Service
|   VMware Alias Manager and Ticket Service
|   VMware CAF Management Agent Service
|   VMware Physical Disk Helper Service
|   VMware Tools
|   WinHTTP Web Proxy Auto-Discovery Service
|   Windows Audio
|   Windows Audio Endpoint Builder
|   Windows Connection Manager
|   Windows Defender Antivirus Network Inspection Service
|   Windows Defender Antivirus Service
|   Windows Defender Security Centre Service
|   Windows Driver Foundation - User-mode Driver Framework
|   Windows Event Log
|   Windows Firewall
|   Windows Font Cache Service
|   Windows Management Instrumentation
|   Windows Process Activation Service
|   Windows Push Notifications System Service
|   Windows Search
|   Windows Update
|   Workstation
|_  World Wide Web Publishing Service
500/udp open  isakmp  Microsoft Windows 8
| ike-version: 
|   vendor_id: Microsoft Windows 8
|   attributes: 
|     MS NT5 ISAKMPOAKLEY
|     RFC 3947 NAT-T
|     draft-ietf-ipsec-nat-t-ike-02\n
|     IKE FRAGMENTATION
|     MS-Negotiation Discovery Capable
|_    IKE CGA version 1
Service Info: Host: Conceal; OS: Windows 8; CPE: cpe:/o:microsoft:windows:8, cpe:/o:microsoft:windows

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 200.52 seconds
  • snmp
└─$ snmpwalk -v 2c -c public 10.10.10.116             
SNMPv2-MIB::sysDescr.0 = STRING: Hardware: AMD64 Family 23 Model 49 Stepping 0 AT/AT COMPATIBLE - Software: Windows Version 6.3 (Build 15063 Multiprocessor Free)
SNMPv2-MIB::sysObjectID.0 = OID: SNMPv2-SMI::enterprises.311.1.1.3.1.1
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (16739) 0:02:47.39
SNMPv2-MIB::sysContact.0 = STRING: IKE VPN password PSK - 9C8B1A372B1878851BE2C097031B6E43
SNMPv2-MIB::sysName.0 = STRING: Conceal
...

Foothold/User

  • We have an interesting entry STRING: IKE VPN password PSK - 9C8B1A372B1878851BE2C097031B6E43
    • Cracking it results in: Dudecake1!

Sunday, September 17, 2023 | 12 minutes Read
Hero Image
[HTB] Machine: Frolic

Frolic

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.111
Starting Nmap 7.93 ( https://nmap.org ) at 2023-06-14 16:52 BST
Nmap scan report for 10.10.10.111 (10.10.10.111)
Host is up (0.15s latency).
Not shown: 65530 closed tcp ports (conn-refused)
PORT     STATE SERVICE
22/tcp   open  ssh
139/tcp  open  netbios-ssn
445/tcp  open  microsoft-ds
1880/tcp open  vsat-control
9999/tcp open  abyss

Nmap done: 1 IP address (1 host up) scanned in 1037.54 seconds

└─$ nmap -sV -sC -p22,139,445,1880,9999 10.10.10.111
Starting Nmap 7.93 ( https://nmap.org ) at 2023-06-14 17:10 BST
Nmap scan report for 10.10.10.111 (10.10.10.111)
Host is up (0.16s latency).

PORT     STATE SERVICE     VERSION
22/tcp   open  ssh         OpenSSH 7.2p2 Ubuntu 4ubuntu2.4 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey: 
|   2048 877b912a0f11b6571ecb9f77cf35e221 (RSA)
|   256 b79b06ddc25e284478411e677d1eb762 (ECDSA)
|_  256 21cf166d82a430c3c69cd738bab502b0 (ED25519)
139/tcp  open  netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP)
445/tcp  open  netbios-ssn Samba smbd 4.3.11-Ubuntu (workgroup: WORKGROUP)
1880/tcp open  http        Node.js (Express middleware)
|_http-title: Node-RED
9999/tcp open  http        nginx 1.10.3 (Ubuntu)
|_http-server-header: nginx/1.10.3 (Ubuntu)
|_http-title: Welcome to nginx!
Service Info: Host: FROLIC; OS: Linux; CPE: cpe:/o:linux:linux_kernel

Host script results:
|_clock-skew: mean: -1h50m26s, deviation: 3h10m30s, median: -27s
| smb-security-mode: 
|   account_used: guest
|   authentication_level: user
|   challenge_response: supported
|_  message_signing: disabled (dangerous, but default)
| smb2-security-mode: 
|   311: 
|_    Message signing enabled but not required
| smb2-time: 
|   date: 2023-06-14T16:09:55
|_  start_date: N/A
| smb-os-discovery: 
|   OS: Windows 6.1 (Samba 4.3.11-Ubuntu)
|   Computer name: frolic
|   NetBIOS computer name: FROLIC\x00
|   Domain name: \x00
|   FQDN: frolic
|_  System time: 2023-06-14T21:39:55+05:30
|_nbstat: NetBIOS name: FROLIC, NetBIOS user: <unknown>, NetBIOS MAC: 000000000000 (Xerox)

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 17.51 seconds
  • smbmap
└─$ smbmap -H 10.10.10.111
[+] Guest session       IP: 10.10.10.111:445    Name: 10.10.10.111                                      
        Disk                                                    Permissions     Comment
        ----                                                    -----------     -------
        print$                                                  NO ACCESS       Printer Drivers
        IPC$                                                    NO ACCESS       IPC Service (frolic server (Samba, Ubuntu))

└─$ smbclient -N -L //10.10.10.111

        Sharename       Type      Comment
        ---------       ----      -------
        print$          Disk      Printer Drivers
        IPC$            IPC       IPC Service (frolic server (Samba, Ubuntu))
Reconnecting with SMB1 for workgroup listing.

        Server               Comment
        ---------            -------

        Workgroup            Master
        ---------            -------
        WORKGROUP            FROLIC
  • gobuster port 9999
└─$ gobuster dir -u http://10.10.10.111:9999 -w /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt -t 50 -x php,txt
===============================================================
Gobuster v3.5
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url:                     http://10.10.10.111:9999
[+] Method:                  GET
[+] Threads:                 50
[+] Wordlist:                /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt
[+] Negative Status codes:   404
[+] User Agent:              gobuster/3.5
[+] Extensions:              php,txt
[+] Timeout:                 10s
===============================================================
2023/06/14 17:34:41 Starting gobuster in directory enumeration mode
===============================================================
/admin                (Status: 301) [Size: 194] [--> http://10.10.10.111:9999/admin/]
/test                 (Status: 301) [Size: 194] [--> http://10.10.10.111:9999/test/]
/dev                  (Status: 301) [Size: 194] [--> http://10.10.10.111:9999/dev/]
/backup               (Status: 301) [Size: 194] [--> http://10.10.10.111:9999/backup/]
/loop                 (Status: 301) [Size: 194] [--> http://10.10.10.111:9999/loop/]

└─$ gobuster dir -u http://10.10.10.111:9999/dev -w /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt -t 50 -x php,txt
===============================================================
Gobuster v3.5
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url:                     http://10.10.10.111:9999/dev
[+] Method:                  GET
[+] Threads:                 50
[+] Wordlist:                /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt
[+] Negative Status codes:   404
[+] User Agent:              gobuster/3.5
[+] Extensions:              php,txt
[+] Timeout:                 10s
===============================================================
2023/06/14 17:45:50 Starting gobuster in directory enumeration mode
===============================================================
/test                 (Status: 200) [Size: 5]
/backup               (Status: 301) [Size: 194] [--> http://10.10.10.111:9999/dev/backup/]
  • gobuster port 1880
└─$ gobuster dir -u http://10.10.10.111:1880 -w /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt -t 50 -x php,html,txt
===============================================================
Gobuster v3.5
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url:                     http://10.10.10.111:1880
[+] Method:                  GET
[+] Threads:                 50
[+] Wordlist:                /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt
[+] Negative Status codes:   404
[+] User Agent:              gobuster/3.5
[+] Extensions:              php,html,txt
[+] Timeout:                 10s
===============================================================
2023/06/22 16:42:49 Starting gobuster in directory enumeration mode
===============================================================
/icons                (Status: 401) [Size: 12]
/red                  (Status: 301) [Size: 173] [--> /red/]
/vendor               (Status: 301) [Size: 179] [--> /vendor/]
/settings             (Status: 401) [Size: 12]
/Icons                (Status: 401) [Size: 12]
/nodes                (Status: 401) [Size: 12]
  • Web server on port 1880

Monday, June 12, 2023 | 5 minutes Read