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Paper: How It Works: Steganography Hides Malware in Image Files

A new paper by CYREN researcher Lordian Mosuela takes a close look at Gatak, or Stegoloader, a piece of malware that was discovered last year and that is controlled via malicious code embedded in a PNG image, a technique known as steganography.
Sometimes a picture says more than a thousand words. And sometimes in computer security, a picture contains a thousand words, or rather a lot of commands, used by malware authors… https://www.virusbulletin.com/blog/2016/04/paper-how-it-works-steganography-hides-malware-image-files/

VB2015 'Steganoprague' competition

Use your steganography-detection skills and win a pile of books.
Use your steganography-detection skills and win a pile of books. As VB2015 is about to begin, we announce the second part of the 'Steganoprague' competition. In this part, you will… https://www.virusbulletin.com/blog/2015/09/steganoprague-competition/

Steganoprague: a VB2015 competition & puzzle

Use your obfuscation and deobfuscation skills to win a prize during the VB2015 conference!
Use your obfuscation and deobfuscation skills to win a prize during the VB2015 conference! "It is time for defenders to go on the offence," wrote Andreas Lindh in Virus Bulletin… https://www.virusbulletin.com/blog/2015/06/steganoprague-competition-amp-puzzle/

Alureon trojan uses steganography to receive commands

Messages hidden inside images create extra layer of redundancy.
Messages hidden inside images create extra layer of redundancy. Researchers at Microsoft have discovered a new variant of the 'Alureon' trojan that uses steganography to make… https://www.virusbulletin.com/blog/2011/09/alureon-trojan-uses-steganography-receive-commands/