Bash scripts are powerful tools in the hands of system administrators, developers, and Linux enthusiasts. They simplify complex tasks and automate processes, making them indispensable in the world of IT. However, when it comes to securing your Bash scripts, things can get a bit tricky. This is where Bashfuscator comes into play. In this guide, we will walk you through the steps to install Bashfuscator and start protecting your Bash scripts with obfuscation.
What is Bashfuscator?
Bashfuscator is a tool designed to obfuscate Bash scripts. Obfuscation involves making your code less readable and understandable while retaining its functionality. This added layer of security can help protect sensitive information, algorithms, or intellectual property within your scripts from prying eyes.
Prerequisites
- Bashfuscator requires Python 3.6+.
On a Debian-based distro, run this command to install dependencies:
- sudo apt-get update && sudo apt-get install python3 python3-pip python3-argcomplete xclip
On a RHEL-based distro, run this command to install dependencies:
- sudo dnf update && sudo dnf install python3 python3-pip python3-argcomplete xclip
Installing Bashfuscator
The installation process for Bashfuscator is relatively straightforward. Follow these steps to get it up and running:
Step 1: Open Your Terminal
Open a terminal window on your Linux system. You can typically do this by searching for "Terminal" in your application menu.
Step 2: Install Bashfuscator
Clone the Bashfuscator repository:
- git clone https://github.com/Bashfuscator/Bashfuscator
Step 3: Change directory to the Bashfuscator directory
- cd bashfuscator
Step 4: Install the dependencies:
- python3 setup.py install --user
Only Debian and RHEL based distros are supported. Bashfuscator has been tested working on some UNIX systems, but is not supported on those systems.
Example :
For simple usage, just pass the command you want to obfuscate with -c, or the script you want to obfuscate with -f.
- bashfuscator -c "cat /etc/passwd"
[+] Mutators used: Token/ForCode -> Command/Reverse
[+] Payload:
${@/l+Jau/+<b=k } p''"r"i""n$'t\u0066' %s "$( ${*%%Frf\[4?T2 } ${*##0\!j.G } "r"'e'v <<< ' "} ~@{$" ") } j@C`\7=-k#*{$ "} ,@{$" ; } ; } ,,*{$ "}] } ,*{$ "} f9deh`\>6/J-F{\,vy//@{$" niOrw$ } QhwV#@{$ [NMpHySZ{$" s% "f"'"'"'4700u\n9600u\r'"'"'$p { ; } ~*{$ "} 48T`\PJc}\#@{$" 1#31 "} ,@{$" } D$y?U%%*{$ 0#84 *$ } Lv:sjb/@{$ 2#05 } ~@{$ 2#4 }*!{$ } OGdx7=um/X@RA{\eA/*{$ 1001#2 } Scnw:i/@{$ } ~~*{$ 11#4 "} O#uG{\HB%@{$" 11#7 "} ^^@{$" 011#2 "} ~~@{$" 11#3 } L[\h3m/@{$ "} ~@{$" 11#2 } 6u1N.b!\b%%*{$ } YCMI##@{$ 31#5 "} ,@{$" 01#7 } (\}\;]\//*{$ } %#6j/?pg%m/*{$ 001#2 "} 6IW]\p*n%@{$" } ^^@{$ 21#7 } !\=jy#@{$ } tz}\k{\v1/?o:Sn@V/*{$ 11#5 ni niOrw rof ; "} ,,@{$" } MD`\!\]\P%%*{$ ) }@{$ a } ogt=y%*{$ "@$" /\ } {\nZ2^##*{$ \ *$ c }@{$ } h;|Yeen{\/.8oAl-RY//@{$ p *$ "}@{$" t } zB(\R//*{$ } mX=XAFz_/9QKu//*{$ e *$ s } ~~*{$ d } ,*{$ } 2tgh%X-/L=a_r#f{\//*{$ w } {\L8h=@*##@{$ "} W9Zw##@{$" (=NMpHySZ ($" la'"'"''"'"'"v"'"'"''"'"''"'"'541\'"'"'$ } &;@0#*{$ ' "${@}" "${@%%Ij\[N }" ${@~~ } )" ${!*} | $@ $'b\u0061'''sh ${*//J7\{=.QH }
Conclusion :
Bashfuscator is a valuable tool for anyone looking to enhance the security of their Bash scripts. By following the steps outlined in this guide, you can install Bashfuscator on your Linux system and begin obfuscating your scripts to protect sensitive information and intellectual property.
Remember that while obfuscation provides an additional layer of security, it's not a foolproof solution. It's important to use it in conjunction with other security practices and to weigh the benefits against potential downsides, such as reduced code readability and maintainability.


