[Cryptography] rare sighting of that shy beast known as steganography:
Ian G
iang at iang.org
Sun May 17 15:15:59 EDT 2015
http://www.trendmicro.com/vinfo/us/security/news/cyber-attacks/operation-tropic-trooper-infiltrates-secret-keepers
...
" The Trojan, TROJ_YAHOYAH, eventually downloads and decrypts a
malicious image or decoy file. The downloaded images appear harmless and
look similar to default wallpapers in Windows XP systems. However,
encrypted into them via simple steganography is BKDR_YAHAMAM, a malware
that steals data from the system, kills processes and services, deletes
files and directories, puts systems to sleep, and performs other
backdoor capabilities."
...
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