diff --git a/exploit.py b/exploit.py
index d1bd78f..50dd2cf 100644
--- a/exploit.py
+++ b/exploit.py
@@ -1,8 +1,24 @@
-# PoC for ...
-# Description
-# License
-# Authors
-# Etc
+# Pytroj
+# PoC for trojan in python
+# Copyright (C) 2011
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+# Authors 
+# Joey Geralnik
+# Leon Fedotov
+# Itzik Kotler