Hackthebox - Lame
Linux
Nmap
┌──(root💀kali)-[~]
└─# nmap -T4 -sC -sV -O -p- 10.10.10.3 130 ⨯
Starting Nmap 7.92 ( https://nmap.org ) at 2022-04-09 19:45 EDT
Stats: 0:00:21 elapsed; 0 hosts completed (1 up), 1 undergoing SYN Stealth Scan
SYN Stealth Scan Timing: About 13.62% done; ETC: 19:47 (0:02:13 remaining)
Nmap scan report for 10.10.10.3
Host is up (0.022s latency).
Not shown: 65530 filtered tcp ports (no-response)
PORT STATE SERVICE VERSION
21/tcp open ftp vsftpd 2.3.4
|_ftp-anon: Anonymous FTP login allowed (FTP code 230)
| ftp-syst:
| STAT:
| FTP server status:
| Connected to 10.10.14.3
| Logged in as ftp
| TYPE: ASCII
| No session bandwidth limit
| Session timeout in seconds is 300
| Control connection is plain text
| Data connections will be plain text
| vsFTPd 2.3.4 - secure, fast, stable
|_End of status
22/tcp open ssh OpenSSH 4.7p1 Debian 8ubuntu1 (protocol 2.0)
| ssh-hostkey:
| 1024 60:0f:cf:e1:c0:5f:6a:74:d6:90:24:fa:c4:d5:6c:cd (DSA)
|_ 2048 56:56:24:0f:21:1d:de:a7:2b:ae:61:b1:24:3d:e8:f3 (RSA)
139/tcp open netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP)
445/tcp open netbios-ssn Samba smbd 3.0.20-Debian (workgroup: WORKGROUP)
3632/tcp open distccd distccd v1 ((GNU) 4.2.4 (Ubuntu 4.2.4-1ubuntu4))
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
Aggressive OS guesses: DD-WRT v24-sp1 (Linux 2.4.36) (92%), OpenWrt White Russian 0.9 (Linux 2.4.30) (92%), Arris TG862G/CT cable modem (92%), D-Link DAP-1522 WAP, or Xerox WorkCentre Pro 245 or 6556 printer (92%), Dell Integrated Remote Access Controller (iDRAC6) (92%), Linksys WET54GS5 WAP, Tranzeo TR-CPQ-19f WAP, or Xerox WorkCentre Pro 265 printer (92%), Linux 2.4.21 - 2.4.31 (likely embedded) (92%), Linux 2.4.27 (92%), Citrix XenServer 5.5 (Linux 2.6.18) (92%), Linux 2.6.22 (92%)
No exact OS matches for host (test conditions non-ideal).
Service Info: OSs: Unix, Linux; CPE: cpe:/o:linux:linux_kernel
Host script results:
|_smb2-time: Protocol negotiation failed (SMB2)
| smb-security-mode:
| account_used: <blank>
| authentication_level: user
| challenge_response: supported
|_ message_signing: disabled (dangerous, but default)
| smb-os-discovery:
| OS: Unix (Samba 3.0.20-Debian)
| Computer name: lame
| NetBIOS computer name:
| Domain name: hackthebox.gr
| FQDN: lame.hackthebox.gr
|_ System time: 2022-04-09T19:55:01-04:00
|_clock-skew: mean: 2h07m47s, deviation: 2h49m44s, median: 7m45s
OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 147.58 secondsFTP
login with anonymous works but there is nothing there
SMB
enum4linux
┌──(root💀kali)-[~]
└─# enum4linux -a 10.10.10.3
Starting enum4linux v0.9.1 ( http://labs.portcullis.co.uk/application/enum4linux/ ) on Sat Apr 9 19:53:17 2022
=========================================( Target Information )=========================================
Target ........... 10.10.10.3
RID Range ........ 500-550,1000-1050
Username ......... ''
Password ......... ''
Known Usernames .. administrator, guest, krbtgt, domain admins, root, bin, none
=============================( Enumerating Workgroup/Domain on 10.10.10.3 )=============================
[E] Can't find workgroup/domain
=================================( Nbtstat Information for 10.10.10.3 )=================================
Looking up status of 10.10.10.3
No reply from 10.10.10.3
====================================( Session Check on 10.10.10.3 )====================================
[+] Server 10.10.10.3 allows sessions using username '', password ''
=================================( Getting domain SID for 10.10.10.3 )=================================
Domain Name: WORKGROUP
Domain Sid: (NULL SID)
[+] Can't determine if host is part of domain or part of a workgroup
====================================( OS information on 10.10.10.3 )====================================
[E] Can't get OS info with smbclient
[+] Got OS info for 10.10.10.3 from srvinfo:
LAME Wk Sv PrQ Unx NT SNT lame server (Samba 3.0.20-Debian)
platform_id : 500
os version : 4.9
server type : 0x9a03
========================================( Users on 10.10.10.3 )========================================
index: 0x1 RID: 0x3f2 acb: 0x00000011 Account: games Name: games Desc: (null)
index: 0x2 RID: 0x1f5 acb: 0x00000011 Account: nobody Name: nobody Desc: (null)
index: 0x3 RID: 0x4ba acb: 0x00000011 Account: bind Name: (null) Desc: (null)
index: 0x4 RID: 0x402 acb: 0x00000011 Account: proxy Name: proxy Desc: (null)
index: 0x5 RID: 0x4b4 acb: 0x00000011 Account: syslog Name: (null) Desc: (null)
index: 0x6 RID: 0xbba acb: 0x00000010 Account: user Name: just a user,111,, Desc: (null)
index: 0x7 RID: 0x42a acb: 0x00000011 Account: www-data Name: www-data Desc: (null)
index: 0x8 RID: 0x3e8 acb: 0x00000011 Account: root Name: root Desc: (null)
index: 0x9 RID: 0x3fa acb: 0x00000011 Account: news Name: news Desc: (null)
index: 0xa RID: 0x4c0 acb: 0x00000011 Account: postgres Name: PostgreSQL administrator,,, Desc: (null)
index: 0xb RID: 0x3ec acb: 0x00000011 Account: bin Name: bin Desc: (null)
index: 0xc RID: 0x3f8 acb: 0x00000011 Account: mail Name: mail Desc: (null)
index: 0xd RID: 0x4c6 acb: 0x00000011 Account: distccd Name: (null) Desc: (null)
index: 0xe RID: 0x4ca acb: 0x00000011 Account: proftpd Name: (null) Desc: (null)
index: 0xf RID: 0x4b2 acb: 0x00000011 Account: dhcp Name: (null) Desc: (null)
index: 0x10 RID: 0x3ea acb: 0x00000011 Account: daemon Name: daemon Desc: (null)
index: 0x11 RID: 0x4b8 acb: 0x00000011 Account: sshd Name: (null) Desc: (null)
index: 0x12 RID: 0x3f4 acb: 0x00000011 Account: man Name: man Desc: (null)
index: 0x13 RID: 0x3f6 acb: 0x00000011 Account: lp Name: lp Desc: (null)
index: 0x14 RID: 0x4c2 acb: 0x00000011 Account: mysql Name: MySQL Server,,, Desc: (null)
index: 0x15 RID: 0x43a acb: 0x00000011 Account: gnats Name: Gnats Bug-Reporting System (admin) Desc: (null)
index: 0x16 RID: 0x4b0 acb: 0x00000011 Account: libuuid Name: (null) Desc: (null)
index: 0x17 RID: 0x42c acb: 0x00000011 Account: backup Name: backup Desc: (null)
index: 0x18 RID: 0xbb8 acb: 0x00000010 Account: msfadmin Name: msfadmin,,, Desc: (null)
index: 0x19 RID: 0x4c8 acb: 0x00000011 Account: telnetd Name: (null) Desc: (null)
index: 0x1a RID: 0x3ee acb: 0x00000011 Account: sys Name: sys Desc: (null)
index: 0x1b RID: 0x4b6 acb: 0x00000011 Account: klog Name: (null) Desc: (null)
index: 0x1c RID: 0x4bc acb: 0x00000011 Account: postfix Name: (null) Desc: (null)
index: 0x1d RID: 0xbbc acb: 0x00000011 Account: service Name: ,,, Desc: (null)
index: 0x1e RID: 0x434 acb: 0x00000011 Account: list Name: Mailing List Manager Desc: (null)
index: 0x1f RID: 0x436 acb: 0x00000011 Account: irc Name: ircd Desc: (null)
index: 0x20 RID: 0x4be acb: 0x00000011 Account: ftp Name: (null) Desc: (null)
index: 0x21 RID: 0x4c4 acb: 0x00000011 Account: tomcat55 Name: (null) Desc: (null)
index: 0x22 RID: 0x3f0 acb: 0x00000011 Account: sync Name: sync Desc: (null)
index: 0x23 RID: 0x3fc acb: 0x00000011 Account: uucp Name: uucp Desc: (null)
user:[games] rid:[0x3f2]
user:[nobody] rid:[0x1f5]
user:[bind] rid:[0x4ba]
user:[proxy] rid:[0x402]
user:[syslog] rid:[0x4b4]
user:[user] rid:[0xbba]
user:[www-data] rid:[0x42a]
user:[root] rid:[0x3e8]
user:[news] rid:[0x3fa]
user:[postgres] rid:[0x4c0]
user:[bin] rid:[0x3ec]
user:[mail] rid:[0x3f8]
user:[distccd] rid:[0x4c6]
user:[proftpd] rid:[0x4ca]
user:[dhcp] rid:[0x4b2]
user:[daemon] rid:[0x3ea]
user:[sshd] rid:[0x4b8]
user:[man] rid:[0x3f4]
user:[lp] rid:[0x3f6]
user:[mysql] rid:[0x4c2]
user:[gnats] rid:[0x43a]
user:[libuuid] rid:[0x4b0]
user:[backup] rid:[0x42c]
user:[msfadmin] rid:[0xbb8]
user:[telnetd] rid:[0x4c8]
user:[sys] rid:[0x3ee]
user:[klog] rid:[0x4b6]
user:[postfix] rid:[0x4bc]
user:[service] rid:[0xbbc]
user:[list] rid:[0x434]
user:[irc] rid:[0x436]
user:[ftp] rid:[0x4be]
user:[tomcat55] rid:[0x4c4]
user:[sync] rid:[0x3f0]
user:[uucp] rid:[0x3fc]
==================================( Share Enumeration on 10.10.10.3 )==================================
Sharename Type Comment
--------- ---- -------
print$ Disk Printer Drivers
tmp Disk oh noes!
opt Disk
IPC$ IPC IPC Service (lame server (Samba 3.0.20-Debian))
ADMIN$ IPC IPC Service (lame server (Samba 3.0.20-Debian))
Reconnecting with SMB1 for workgroup listing.
Server Comment
--------- -------
Workgroup Master
--------- -------
WORKGROUP LAME
[+] Attempting to map shares on 10.10.10.3
//10.10.10.3/print$ Mapping: DENIED Listing: N/A Writing: N/A
//10.10.10.3/tmp Mapping: OK Listing: OK Writing: N/A
//10.10.10.3/opt Mapping: DENIED Listing: N/A Writing: N/A
[E] Can't understand response:
NT_STATUS_NETWORK_ACCESS_DENIED listing \*
//10.10.10.3/IPC$ Mapping: N/A Listing: N/A Writing: N/A
//10.10.10.3/ADMIN$ Mapping: DENIED Listing: N/A Writing: N/A
=============================( Password Policy Information for 10.10.10.3 )=============================
[+] Attaching to 10.10.10.3 using a NULL share
[+] Trying protocol 139/SMB...
[+] Found domain(s):
[+] LAME
[+] Builtin
[+] Password Info for Domain: LAME
[+] Minimum password length: 5
[+] Password history length: None
[+] Maximum password age: Not Set
[+] Password Complexity Flags: 000000
[+] Domain Refuse Password Change: 0
[+] Domain Password Store Cleartext: 0
[+] Domain Password Lockout Admins: 0
[+] Domain Password No Clear Change: 0
[+] Domain Password No Anon Change: 0
[+] Domain Password Complex: 0
[+] Minimum password age: None
[+] Reset Account Lockout Counter: 30 minutes
[+] Locked Account Duration: 30 minutes
[+] Account Lockout Threshold: None
[+] Forced Log off Time: Not Set
[+] Retieved partial password policy with rpcclient:
Password Complexity: Disabled
Minimum Password Length: 0
========================================( Groups on 10.10.10.3 )========================================
[+] Getting builtin groups:
[+] Getting builtin group memberships:
[+] Getting local groups:
[+] Getting local group memberships:
[+] Getting domain groups:
[+] Getting domain group memberships:
===================( Users on 10.10.10.3 via RID cycling (RIDS: 500-550,1000-1050) )===================
[I] Found new SID:
S-1-5-21-2446995257-2525374255-2673161615
[+] Enumerating users using SID S-1-5-21-2446995257-2525374255-2673161615 and logon username '', password ''
S-1-5-21-2446995257-2525374255-2673161615-500 LAME\Administrator (Local User)
S-1-5-21-2446995257-2525374255-2673161615-501 LAME\nobody (Local User)
S-1-5-21-2446995257-2525374255-2673161615-512 LAME\Domain Admins (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-513 LAME\Domain Users (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-514 LAME\Domain Guests (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1000 LAME\root (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1001 LAME\root (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1002 LAME\daemon (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1003 LAME\daemon (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1004 LAME\bin (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1005 LAME\bin (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1006 LAME\sys (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1007 LAME\sys (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1008 LAME\sync (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1009 LAME\adm (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1010 LAME\games (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1011 LAME\tty (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1012 LAME\man (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1013 LAME\disk (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1014 LAME\lp (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1015 LAME\lp (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1016 LAME\mail (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1017 LAME\mail (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1018 LAME\news (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1019 LAME\news (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1020 LAME\uucp (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1021 LAME\uucp (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1025 LAME\man (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1026 LAME\proxy (Local User)
S-1-5-21-2446995257-2525374255-2673161615-1027 LAME\proxy (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1031 LAME\kmem (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1041 LAME\dialout (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1043 LAME\fax (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1045 LAME\voice (Domain Group)
S-1-5-21-2446995257-2525374255-2673161615-1049 LAME\cdrom (Domain Group)
================================( Getting printer info for 10.10.10.3 )================================
No printers returned.
enum4linux complete on Sat Apr 9 19:54:36 2022smbclient
┌──(root💀kali)-[~/Documents/lame]
└─# smbclient -L \\\\10.10.10.3
Enter WORKGROUP\root's password:
Anonymous login successful
Sharename Type Comment
--------- ---- -------
print$ Disk Printer Drivers
tmp Disk oh noes!
opt Disk
IPC$ IPC IPC Service (lame server (Samba 3.0.20-Debian))
ADMIN$ IPC IPC Service (lame server (Samba 3.0.20-Debian))
Reconnecting with SMB1 for workgroup listing.
Anonymous login successful
Server Comment
--------- -------
Workgroup Master
--------- -------
WORKGROUP LAMEWe can log in on the smb share tmp. Nothing is too interesting there
We get a root shell right away so no privesc needed!
We can grab the user
cat /home/makis/user.txtand the root flagcat /root/root.txtNote In case you are wondering what the letters means in smb here is a nice post that explains it all
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