Technique
technique:polymorphic_malware
Also: metamorphic algorithms, polymorphic encryption
Malware that changes or recompiles its representation to make static signature detection difficult.
Malware that changes or recompiles its representation to make static signature detection difficult.
“Every time the Whale malware would replicate to a new file, it would rewrite itself.”
“we started finding viruses which would use metamorphic or polymorphic algorithms”
Whale USES Polymorphic malware
Mikko says Whale used metamorphic or polymorphic algorithms and rewrote itself when replicating.
Explicit Confidence 99% · Mikko Hyppönen EP 74 Details
“These are viruses which would use metamorphic or polymorphic algorithms, including Whale.”
“Every time the Whale malware would replicate to a new file, it would rewrite itself.”