Browse Exploit & Auxiliary Modules
The Metasploit Project hosts the world's largest database of quality assured exploits, including hundreds of remote exploits, auxiliary modules, and payloads. You can even review the Metasploit Framework source code of any module - or write your own.
Search for modules
Single-byte XOR Countdown Encoder
This encoder uses the length of the payload as a position-dependent encoder key to produce a small decoder stub.
Rank
- Normal
Authors
- vlad902 < vlad902 [at] gmail.com >
Development
Similar Modules
- encoder/x86/alpha_mixed
- encoder/x86/alpha_upper
- encoder/x86/avoid_utf8_tolower
- encoder/x86/call4_dword_xor
- encoder/x86/context_cpuid
- encoder/x86/context_stat
- encoder/x86/context_time
- encoder/x86/fnstenv_mov
- encoder/x86/jmp_call_additive
- encoder/x86/nonalpha
Usage Information
$ msfconsole
## ### ## ##
## ## #### ###### #### ##### ##### ## #### ######
####### ## ## ## ## ## ## ## ## ## ## ### ##
####### ###### ## ##### #### ## ## ## ## ## ## ##
## # ## ## ## ## ## ## ##### ## ## ## ## ##
## ## #### ### ##### ##### ## #### #### #### ###
##
msf > use encoder/x86/countdown
## ### ## ##
## ## #### ###### #### ##### ##### ## #### ######
####### ## ## ## ## ## ## ## ## ## ## ### ##
####### ###### ## ##### #### ## ## ## ## ## ## ##
## # ## ## ## ## ## ## ##### ## ## ## ## ##
## ## #### ### ##### ##### ## #### #### #### ###
##
msf > use encoder/x86/countdown
Module Options
| VERBOSE | Enable detailed status messages |
| WORKSPACE | Specify the workspace for this module |
