http://hack.blogmas.com Just another BlogMas weblog Sat, 19 Apr 2008 09:58:42 +0000 http://backend.userland.com/rss092 en Edit /etc/utmp, /usr/adm/wtmp and /usr/adm/lastlog. These are not text files that can be edited by hand with vi, you must use a program specifically written for this purpose. Example: #include #include #include #include #include #include #include #include #define WTMP_NAME "/usr/adm/wtmp" #define UTMP_NAME "/etc/utmp" #define LASTLOG_NAME "/usr/adm/lastlog" int f; void kill_utmp(who) char *who; { struct utmp utmp_ent; if ((f=open(UTMP_NAME,O_RDWR))>=0) { while(read (f, &utmp_ent, sizeof (utmp_ent))> 0 ) if (!strncmp(utmp_ent.ut_name,who,strlen(who))) { bzero((char *)&utmp_ent,sizeof( ... http://hack.blogmas.com/2008/04/19/erasing-your-presence-from-system-logs/ Standard Original IBM POST Error Codes Code Description 1 short beep System is OK 2 short beeps POST Error - error code shown on screen No beep Power supply or system board problem Continuous beep Power supply, system board, or keyboard problem Repeating short beeps Power supply or system board problem 1 long, 1 ... http://hack.blogmas.com/2008/03/10/beep-codes-error-codes/ BIOS Beep Codes When a computer is first turned on, or rebooted, its BIOS performs a power-on self test (POST) to test the system's hardware, checking to make sure that all of the system's hardware components are working properly. Under normal circumstances, the POST will display an error message; however, if ... http://hack.blogmas.com/2008/03/10/beep-code-manual/ Slipstreaming Windows XP Service Pack 1a and Create Bootable CD Slipstreaming a Service Pack, is the process to integrate the Service Pack into the installation so that with every new installation the Operating System and Service Pack are installed at the same time. Slipstreaming is usually done on network shares on corporate ... http://hack.blogmas.com/2008/02/22/create-bootable-xp-sp-integrated-cd/ This reg file automatically ends tasks and timeouts that prevent programs from shutting down and clears the Paging File on Exit. 1. Copy the following (everything in the box) into notepad. QUOTE Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management] "ClearPageFileAtShutdown"=dword:00000001 [HKEY_USERS\.DEFAULT\Control Panel\Desktop] "AutoEndTasks"="1" [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control] "WaitToKillServiceTimeout"="1000" 2. Save the file as shutdown.reg 3. Double click ... http://hack.blogmas.com/2008/02/17/auto-end-tasks-to-enable-a-proper-shutdown/ Introduction This post assumes a working knowledge of basic shellcoding techniques, and x86 assembly, I will not rehash these in this paper.  I hope to teach you some of the lesser known shellcoding techniques that I have picked up, which will allow you to write smaller and better shellcodes.  I do ... http://hack.blogmas.com/2008/02/09/advanced-shellcoding-techniques/ The exchange of information in Internet is made by the "client - server" model. A client sends a request (what files he needs) and a server sends a reply (required files). For close cooperation (full understanding) between a client and a server the client sends additional information about itself: a ... http://hack.blogmas.com/2008/02/08/anonymity-of-proxy/ So one of your friends, “not you of course”, has managed to nuke Internet Explorer and they are unsure how they did it. You’ve eliminated the possibility of viruses and adware, so this just leaves you and a broken IE. Before you begin to even consider running a repair install ... http://hack.blogmas.com/2008/01/29/broken-ie-how-to-fix-it/ You can create a file of any size using nothing more than what's supplied with Windows. Start by converting the desired file size into hexadecimal notation. You can use the Windows Calculator in Scientific mode to do this. Suppose you want a file of 1 million bytes. Enter 1000000 in ... http://hack.blogmas.com/2008/01/26/create-a-huge-file/ You don't need to pay a measly sum of dollars just to recover from a boot block mode. Here it is folks: AWARD Bootblock recovery That shorting trick should work if the boot block code is not corrupted, and it should not be if /sb switch is used when flashing the bios ... http://hack.blogmas.com/2008/01/24/boot-block-recovery-for-free/