Nickel.zip -

: Scanners are now programmed to stop looking after a certain number of layers (e.g., 5 or 10 deep).

The file is structured like a "nesting doll." Inside the main ZIP file are 16 smaller ZIP files. Inside each of those are 16 more, and so on. nickel.zip

: By "distracting" the antivirus scanner with the massive decompression task, other real malware may sneak past the scanner while the system is bogged down. 4. Modern Defenses : Scanners are now programmed to stop looking

Compression algorithms like work by finding repetitive patterns. If a file contains nothing but the same character (e.g., the letter "a") repeated a trillion times, the algorithm can compress it down to almost nothing. : By "distracting" the antivirus scanner with the

: Antivirus software and automated scripts often try to "peek" inside archives to scan for viruses. A zip bomb forces these scanners to keep diving deeper into layers, eventually consuming all available RAM and CPU cycles. B. Identical Data Compression