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Resources and tools for malicious SWF analysis


Hi All,

What tools and resources do folks recommended for quickly analyzing malicious SWF files? I finally have a nice pile of 'em for analysis, including a few that have may have come through ad banners on high traffic sites.


I use the trial version of

I use the trial version of the Sothink SWF decompiler installed in a sandboxie sandbox so I can reinstall it after the trial period runs out. It is very nice but I don't work with nearly enough flash files to justify buying it. If anyone knows of any free tools that work as well I would like to know.


You could try disassembling them using flasm ( and then run some advanced grepper over the assembly looking for interesting patterns.

Or you could send them to me. Password protected zip please. (dotcum)

Norton AntiVirus 2009

You can use

You can use Wepawet:

If you want to convert SWF

If you want to convert SWF to FLV video, or if you are looking for a video converter from SWF to FLV, this SWF to FLV Converter is the ideal one. It can perfectly convert all sorts of SWF files to FLV videos, so that you can upload them to YouTube and share with others.[img][/img]

SWF to FLV Converter features converting online SWF files, you just need to input the URL of SWF file and it will auto-download SWF video. It can perfectly handle complex SWF files involving user interactions. And you can customize the video and audio parameters, trim and crop video, and add watermark with transparency for meeting needs.

Till now, this SWF to FLV Converter is the most powerful SWF editing and converting tool.

Note: Both Pro version and Std version supports converting SWF to video/audio/image files and customize frame size. But the Pro version also supply users with cropping, adding image watermark and output AVI video with alpha functions.

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