Buffer overflow pattern generator
產生一段特製的pattern蓋EIP之後再推算覆蓋長度(buffer到EIP的offset)
線上工具
https://wiremask.eu/tools/buffer-overflow-pattern-generator/
http://projects.jason-rush.com/buffer-overflow-eip-offset-string-generator
Metasploit工具包
tools/exploit/pattern_create.rb 長度
tools/exploit/pattern_offset.rb EIP值