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yara4pentesters

rules to identify files containing juicy information like usernames, passwords etc

requirements

searching for files

Remember that depending on the YARA version or operating system that you use, the syntax might vary slightly.

recursive search

yara -r juicy_files.txt <location>

recursive search by tag

yara -t <tag> -r juicy_files.txt <location>

recursive search single rule

yara -i <rule identifier/name> -r juicy_files.txt <location>

examples

~/Desktop/yara4pentesters$ yara -r juicy_files.txt ../y4p_files
shadow_file ../y4p_files/shadow
hive_file ../y4p_files/mysecurity
hive_file ../y4p_files/mysam
hive_file ../y4p_files/system
hive_file ../y4p_files/mysystem
ntds_file ../y4p_files/ntds.dit


~/Desktop/yara4pentesters$ yara -t linux -r juicy_files.txt ../y4p_files
shadow_file ../y4p_files/shadow

~/Desktop/yara4pentesters$ yara -i ntds_file -r juicy_files.txt ../y4p_files
ntds_file ../y4p_files/ntds.dit

References