CLI Tools / Python library to generate and search pattern strings useful for finding offsets in Binary Exploitation.
pip install cyclic-pattern- generate pattern
pattern g 10000
# output: aaa0aaa1 ... PPT8PPT9- you can also use the string valid as integer literal (like bin, oct, and hex)
pattern g 0b1_00_00
# output: aaa0aaa1aaa2aaa3- search pattern in string
pattern s PPT8PPT9
# output: 9992- search pattern in hex
pattern s 0x3567676734676767
# output: 256
pattern s --big 0x6767673467676735 # big endian
# output: 256- generate and search pattern with custom block size
pattern --size 8 g 36
# output: aaaaaaa0aaaaaaa1aaaaaaa2aaaaaaa3aaaa
pattern --size 8 s uuuuuuw9
# output: 9992- generate and search pattern with custom alphabet and digits
pattern --alphabet ab --digits 12 g 36
# output: aaa1aaa2bbb1bbb2aab1aab2bba1bba2aba1
pattern --alphabet ab --digits 12 s aba1
# output: 32- alphabet and digits can be specified with preset name (lowercase, uppercase, letters, digits, hexdigits, octdigits, punctuation)
pattern --alphabet lowercase --digits octdigits g 1000
# output: aaa0aaa1aaa2aaa3 ... eef6eef7ffg0ffg1
pattern --alphabet lowercase --digits octdigits s ffg1
# output: 996- check information of current configuration
pattern --alphabet abc --digits 012345 --size 6 i
# output:
# alphabet: abc
# digits: 012345
# block size: 6
# max length: 8748
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