Added CodeGate file signature

src/binwalk/magic/binwalk

@@ -5004,6 +5004,10 @@
 
 0	string		\x3c?xml\x20version	XML document,
 >15	string		x			version: "%.3s"
+
+# CodeGate 2011 http://nopsrus.blogspot.com/2013/05/codegate-ctf-2011-binary-100-points.html
+0    string    \x23\x40\x7e\x5e    Windows Script Encoded Data (screnc.exe)
+
 #
 # "pcap-ng" capture files.
 # http://www.winpcap.org/ntar/draft/PCAP-DumpFileFormat.html

src/magic/misc

@@ -37,3 +37,7 @@
 
 0	string		\x3c?xml\x20version	XML document,
 >15	string		x			version: "%.3s"
+
+# CodeGate 2011 http://nopsrus.blogspot.com/2013/05/codegate-ctf-2011-binary-100-points.html
+0    string    \x23\x40\x7e\x5e    Windows Script Encoded Data (screnc.exe)
+