# ARAY LD_PRELOAD=./libyara.so ./yara rule reverse.yac -s **rule** ``` rule free { strings: $str = /AIS3\{[^\}]{1,}\}/ condition: $str } ``` ``` rule easy { strings: $str = /AIS3\x00\$x1\x00\{[^\}]{1,}\}/ condition: $str } ```