Created the Sunday 19 June 2022. Updated 9 months, 2 weeks ago.

The free, simple FSG software compresses both small and large files. While it is popular and commonly used to hide malware code, it is also relatively simple to unpack through a decompression loop that writes the data to the final destination.

Technique Identifier


Detection Rules

Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.

Sleeping Alien

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