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• Remove null bytes from shellcode
  #REDIRECT [[null-free shellcode#Null-byte removal]]
  147 B (13 words) - 03:11, 16 June 2012
• Deprecated:Null-free shellcode
  {{info|<center>Null-free [[shellcode]] is a beginner-type shellcode used for [[exploitation]] o ...hine code]] into anything desired without having to worry about design and null-bytes at first.
  22 KB (3,497 words) - 21:18, 15 May 2013
• Shellcode/Null-free
  {{info|<center>Null-free [[shellcode]] is a beginner-type shellcode used for [[exploitation]] o ...supplied as [[shellcode]] for the [[exploitation]] process cannot contain null bytes.
  27 KB (4,175 words) - 17:40, 16 May 2013
• Null-Free Shellcode
  #REDIRECT [[Shellcode/Null-free]]
  57 B (5 words) - 03:28, 25 April 2013
• Null-free shellcode
  #REDIRECT [[Shellcode/Null-free]]
  33 B (3 words) - 03:09, 16 May 2013

Page text matches

• Main Page
  ...|Stack overflows]] &bull; [[Shellcode/Loaders|shellcode loaders]] &bull; [[null-free shellcode]] &bull; 32-bit [[ascii shellcode]] &bull; 64-bit [[Shellcod
  3 KB (385 words) - 04:10, 4 June 2015
• MySQL
  INSERT INTO user VALUES (null, "Selketraz", md5("lolwut"));
  10 KB (1,569 words) - 05:54, 17 November 2012
• Assembly Basics
  ...01 is followed by \x00\x00\x00. These are three "null bytes". Seeing these null bytes and knowing the way that assembly operates, we can safely say that th
  39 KB (6,533 words) - 05:37, 28 May 2012
• Overflow Fuzzing
  ...ws can be [[Fuzzing|fuzzed]], simply by throwing more than 16 megabytes of null-free data at the target [[input]].
  274 B (38 words) - 07:31, 12 March 2012
• File Inclusion/Local File Inclusion/Local File Disclosure
  ...pts may append '.php' to a user supplied string in an include. Appending a null [[byte|Byte]] (%00) will often short circuit this, allowing an attacker to Or using null-bytes:
  2 KB (272 words) - 07:50, 19 July 2012
• C
  FILE *textFile = NULL; char *fileBytes = NULL;
  38 KB (5,893 words) - 01:21, 17 July 2016
• Perl/Basics/Boolean Logic/Operators/Mathematical
  ...'''if (!$scalar)'''" is used to determine if the '''$scalar''' variable is null, zero, or undefined. When used before a '''=''' operator, this becomes "no
  809 B (141 words) - 02:12, 19 July 2012
• Port Knocking
  char *dev = NULL; /* capture device name */ if (dev == NULL) {
  9 KB (1,296 words) - 06:10, 8 July 2012
• Alphanumeric shellcode
  xor %rax, %ss:0x30(%rcx); Null that area of stack syscall # execve('/bin/sh', null, null)
  35 KB (5,252 words) - 18:28, 23 November 2012
• NGINX
  error_log /dev/null crit;
  12 KB (1,529 words) - 04:56, 22 October 2012
• Bash book
  Typically we will use find with the -print0 option (to have a NULL separator instead of a whitespace or new line) and we'll use xargs with the
  43 KB (7,262 words) - 05:35, 27 June 2016
• Vanguard
  ...Sometimes this test does not require an exit, other times it does (like a null [[Byte|byte]]). These strings are appended to the end of the filename duri
  8 KB (1,233 words) - 09:27, 21 April 2013
• SQL injection
  ...'''returns''' either the '''file contents as a single-cell string''' or '''null''' if the query failed for '''any''' reason.
  32 KB (4,777 words) - 18:35, 21 November 2012
• Shellcode/Socket-reuse
  execve("/bin/sh", NULL, NULL); ...ip|If the [[IP address]] and port translated to hexadecimal do not contain null bytes, four bytes can be saved by hardcoding them directly (removing the [[
  10 KB (1,615 words) - 03:28, 25 April 2013
• Shellcode/Self-modifying
  ...]] can be found on the stack. When calling forwards, [[Null-free_shellcode|null bytes]] are added as operands to the call instruction unless call short is
  15 KB (2,484 words) - 03:33, 25 April 2013
• SQL injection/Basics/Injection Points
  ...injection{{code|text=<source lang="php">$query = "insert into table values(null,$input)";</source>}}
  1 KB (161 words) - 07:11, 19 July 2012
• Ruby
  * <kbd>nil</kbd>: The null object.
  25 KB (3,534 words) - 22:34, 14 October 2012
• Linux assembly
  ...s won't work as shellcode due to the fact that it is not null-free. See [[null-free shellcode]] for more information.</center>}} mov %rsp, %rdx # envp is null
  43 KB (6,561 words) - 23:22, 12 July 2016
• LKM
  $ insmod module.ko arg1=null [ 3728.160984] Hello null from this example LKM!
  37 KB (6,139 words) - 15:05, 26 June 2016
• Assembly
  ...e stack using a qword instruction, except that instead of pushing 3 padded null bytes with your data it would push 7. ...g this size. The only instructions that are capable of padding dwords with null bytes are the ones that use qwords as data input. Dwords are also the maxim
  42 KB (6,644 words) - 22:16, 3 July 2016