Swftools : An Introduction

What is it : A bundle of tools for finding information/manipulating swfs.

Where do I get it from : Here.

Examples : 

1. Merging two swfs : 

swfcombine.exe -a swf1.swf swf2.swf -o output.swf

2. Dumping information about a swf

swfdump.exe -a some.swf

3. Finding all the exported symbols from a swf : 

swfdump.exe -a some.swf | grep -i exports