add ziptunnel

ziptunnel/description.md

@@ -0,0 +1 @@
+Great blazes! Something looks awfully suspicious about this zip file. Can you find out just how deep [the rabbit hole](${level420_zip}) goes?

ziptunnel/grader.py

@@ -0,0 +1,4 @@
+def grade(autogen, key):
+    if key.find("x4m1n3_uR_z1pp34_PDq_17c4ee3") != -1:
+        return True, "Awesome work! Is it dark down there at the end of the tunnel?"
+    return False, "Nope."

ziptunnel/problem.yml

@@ -0,0 +1,9 @@
+author: blockingthesky
+title: ZIP Tunnel
+category: Forensics
+hint: Whenever I go to Subway, I get double ham, wamerican, bacon, lettuce, and mayo. No frills.
+autogen: false
+programming: false
+value: 160
+files:
+  - level420.zip