Hashcat Rule Engine

This is a standalone third-party app not affiliated with hashcat.

A simple cli tool to parse hashcat rules provided as command line arguments, apply the rules to stdin and output to stdout.

Installation

From release

Simply download a binary from the release section of this repo.

From source

cargo install --git https://github.com/KMikeeU/hcre-rs

Usage

hcre-rs -r <path to rule file>

Examples

hcre + Gobuster

cat directory-list.txt | hcre-rs -r example.rule | gobuster dir -u http://localhost:8080/ -w - -x php

Implemented rules

NOTE: Rules which have not yet been implemented will be ignored

• Nothing (:)
• Lowercase (l)
• Uppercase (u)
• Capitalize (c)
• Invert Capitalize (C)
• Toggle Case (t)
• Toggle @ (TN)
• Reverse (r)
• Duplicate (d)
• Duplicate N (pN)
• Refect (f)
• Rotate Left ({)
• Rotate Right (})
• Append Character ($X)
• Prepend Character (^X)
• Truncate left ([)
• Truncate right (])
• Delete @ N (DN)
• Extract range (xNM)
• Omit range (ONM)
• Insert @ N (iNX)
• Overwrite @ N (oNX)
• Truncate @ N ('N)
• Replace (sXY)
• Purge (@X)
• Duplicate first N (zN)
• Duplicate last N (ZN)
• Duplicate all (q)

To see how any of these rules function, please refer to the official hashcat rule documentation.

Known issues

1. Always outputs initial word without rules (as if the ':' rule was applied)
2. Missing rules
   1. Memory rules
   2. Reject rules
   3. hashcat specific rules/functions