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- Buffer overflow in the 64-bit stack - Part 3 @en:it-security:blog
- we used the string ''/bin/zsh'' to the function ''System()'' function to open a root shell. To do this, ho... gramme, but can simply access the function of the system, which, for example, is stored in ''libc'' for ex... GOT, we overwrite an address with the one from ''system()''so that we can issue a system command when calling the function <code gdb> [-------------------------
- Buffer Overflow im 64-Bit Stack - Teil 3 @it-security:blog
- ben wir den String ''/bin/zsh'' an die Funktion ''System()'' gesendet, um eine root Shell zu öffen. Hierzu... GOT überschreiben wir eine Adresse mit der von ''system()'', so dass wir beim Aufruf der Funktion einen S... te Adresse geleakt. ==== Stage 2 - libc Base und system ==== Nun benötigen wir die libc-Basis Adresse und die von ''system()''. Diese berechnen wir so: * $base(libc) = g
- Buffer Overflow im 64-Bit Stack - Teil 2 @it-security:blog
- .org/wiki/C-Standard-Bibliothek|libc-Funktion]] ''system()'' weitergeleitet wird. Grundlegend basiert dies... AA') RSP: 0x7...fdde0 --> 0x7ffff7e17920 (<__libc_system>: test rdi,rdi) # system("/bin/sh") RIP: 0x400469 (<_init+25>: ret) </code> \\ \\ ===== Abhängigke... ten: <code bash> gdb-peda$ start ... gdb-peda$ p system $1 = {int (const char *)} 0x7ffff7e17920 <__libc_
- Buffer overflow in the 64-bit stack - Part 2 @en:it-security:blog
- .org/wiki/C-Standard-Bibliothek|libc-Funktion]] ''system()'' is forwarded. This tutorial is fundamentally ... AA') RSP: 0x7...fdde0 --> 0x7ffff7e17920 (<__libc_system>: test rdi,rdi) # system("/bin/sh") RIP: 0x400469 (<_init+25>: ret) </code> \\ \\ ===== Dependenci... it: <code bash> gdb-peda$ start ... gdb-peda$ p system $1 = {int (const char *)} 0x7ffff7e17920 <__libc_
- Windows XP Mode for Windows 7 Home @en:archiv:windows:vista
- r programmes must not be installed in the virtual system! ===== 3 Configuring Windows XP. ===== Start the virtual computer and log into the system. First go to the Security Centre, which can be fo... nd click OK. This will make the red shield in the system try disappear. Next, we scroll all the way down a... ot fix and restart the virtual computer. When the system has restarted, you will immediately notice that t
- NTLDR missing Error message @en:windows
- ===== You need a bootable CD/DVD of your Windows system. Insert this and check that the boot sequence in ... oot Record ===== Let's assume that the operating system is located on C:. Now you must first repair the M... ond command to repair the partition sector of the system partition. ===== Copy system files ===== Now you need to copy the required system files to the partitio
- Reset the registry at an earlier point in time @en:windows
- g at this point is that we get access to the file system. ===== Rename and save the old registry ===== Now go to the folder C:\Windows\system32\config and rename the following files: - SAM - SECURITY - software - default - system These should now be backed up to another partition or similar. ===== Copying from the system restore ===== Now go to the folder "C:\System Vo
- Security on the net @en:tut
- 008 * Version 1.01.2008 * Reference operating system: Windows XP / Vista ===== Directory: ===== - ... mme - Anti-spyware programmes - Operating system update - Appendix --- ===== 1. general securi... denied access to the Internet are * c:\windows\system32\ftp.exe (it is best to carry out a complete sea... his file may exist more than once) * c:\windows\system32\rcp.exe (the same applies here) ==== Further s
- User account control under Windows Vista @en:windows:security
- is an important security feature. It protects the system from unauthorised access through external attacks... oftware\Microsoft\Windows\CurrentVersion\Policies\System </code> Here we create a new value of the REG_DW... oftware\Microsoft\Windows\CurrentVersion\Policies\System </code> Here we create a new value of the REG_DW... oftware\Microsoft\Windows\CurrentVersion\Policies\System </code> Here we create a new value of the REG_DW
- Password Manager @en:software:passwort_manager
- error under Vista Aero * Bugfix of the counter system ==== V3.0.0.13 ==== * Layout optimised * Na... mic encryption * Wrong password bug * Licence system * Dismount container after a defined time in mi... displayed as an entry * Improved copy and paste system * Context menu in the container list: * - Cop... ed * Email to author function * Minimise to system tray possible * Password verification when add
- Move swap file under XP @en:archiv:windows:performance
- ores this file on the partition where the Windows system files are located. You can improve the performanc... Click on Performance and Maintenance and then on System. - On the Advanced tab, under System performance, click Settings. - On the Advanced tab, under Virt... e C: has an initial size of less than 126 MB, the system may not be able to save debug information when a
- Benutzerkontensteuerung (UAC) komplett deaktivieren @windows
- oftware\Microsoft\Windows\CurrentVersion\Policies\System - Den Eintrag EnableLUA (DWord) auf 0 setzen ... OFTWARE\Microsoft\Windows\CurrentVersion\Policies\System] "EnableLUA"=dword:00000000 </file> ===== Deakti... ftware\Microsoft\Windows\CurrentVersion\poilicies\system -Name EnableLUA -PropertyType DWord -Value 0 -For
- Registry zu einem früherem Zeitpunkt zurücksetzen @windows
- hern ===== Nun geht man in den Ordner C:\Windows\system32\config und benennt folgende Dateien um: - SAM - SECURITY - software - default - system Diese sollten nun auf eine andere Partition oder... herstellung ===== Nun geht man in den Ordner "C:\System Volume Information". Hier liegen mehrere Ordner m... _REGISTRY_MACHINE_SOFTWARE - _REGISTRY_MACHINE_SYSTEM - _REGISTRY_MACHINE_SAM Diese kopieren wir in
- Group Managed Service Accounts @en:it-security
- UTERNAME>$ </code> ==== test ==== On the target system: <code powershell> Test-ADServiceAccount <ACCOUN... le reports ''True'' === For errors on the target system === The RSAT tools may need to be activated. Sta... in AD, or as a local administrator on the target system. ===== Services ===== Services can now be provi
- Windows restore points @en:windows
- ====== Windows restore points ====== ===== Open System Restore ===== Go to the settings and search for ... You will be taken to the relevant section of the system properties where you can create and activate rest... t ==== To return to a previous point, click on ''System Restore'' and then click on ''next''. Then select