Add documents and shellcode section, more links

README.md

@@ -49,6 +49,8 @@ A curated list of awesome malware analysis tools and resources. Inspired by
   database of malware and malicious domains.
 * [Contagio](http://contagiodump.blogspot.com/) - A collection of recent
   malware samples and analyses.
+* [Exploit Database](https://www.exploit-db.com/) - Exploit and shellcode
+  samples.
 * [Zeltser's Sources](https://zeltser.com/malware-sample-sources/) - A list
   of malware sample sources put together by Lenny Zeltser.
 
@@ -82,6 +84,15 @@ A curated list of awesome malware analysis tools and resources. Inspired by
 * [Zeltser's List](https://zeltser.com/lookup-malicious-websites/) - Free
   online tools for researching malicious websites, compiled by Lenny Zeltser.
 
+## Documents and Shellcode
+
+* [jsunpack-n](https://code.google.com/p/jsunpack-n/) - A javascript
+  unpacker that emulates browser functionality.
+* [Spidermonkey](https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey) -
+  Mozilla's JavaScript engine, for debugging malicious JS.
+* [diStorm](http://www.ragestorm.net/distorm/) - Disassembler for analyzing
+  malicious shellcode.
+
 ## Memory Forensics
 
 *Tools for dissecting malware in memory images or running systems.*