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-
- ┌──────────────────────────────────────────┐
- │ √irogen's Super-Duper Encryption Cracker │ [√] FDA Approved
- │ ──────────────────────────────────────── │ [√] FCC Class B Appliance
- │ version 2.0; (c)1995 √irogen [NuKE] │ [√] Love Me, Fuck Me, Kill Me
- └──────────────────────────────────────────┘
-
- Hello boys and girls of America and beyond, and welcome to my latest
- endeavor into the performing art of coding. This software simply
- cracks encryption using any of the following techniques:
-
- 8-bit ADD and SUB 16-bit ADD
- 8-bit XOR 16-bit XOR
- 8-bit ROR and ROL 16-bit ROR and ROL
- 8-bit NOT 16-bit NOT
-
- Which means you can now easily decrypt the majority of computer viruses
- out there and see what text is inside without having to ever touch a
- disassemble. Not to mention the fact that there are LOTS of software
- which uses these encryption algorithms for its internal or external
- encryption purposes.
-
-
- How to Use:
- ************************************************************
- The command line syntax is:
- VIROCRK [filename] [text]
-
- [filename] is the file you're wishing to crack. It should not exceed
- 62k
- [text] is a few bytes which you think will be contained in a decrypted
- copy of the file. This parameter is case sensitive. The more
- plaintext you can come up with, the fewer false positives will
- arise.
-
- Examples:
- VIROCRK HELLO.COM COM
- VIROCRK ALPHA.TXT THE
- VIROCRK IVB.NTZ COM
- VIROCRK HELPME.EXE LA LA PA LOO ZA
-
- While VIROCRK is running, hit a key to abort. The exit may not be
- immediate.
-
-
- Output From VIROCRK
- ************************************************************
- When a successful decryption occurs, VIROCRK writes the decrypted
- file to a DEC-XXXX.??? filename. The last 4 bytes of this filename,
- and the extension indicate key and decryption technique used.
-
- DEC-XXXX.??? :
-
- XXXX- Key between 0 and FFFF. This is, ofcourse, hexadecimal.
-
- ???- 8XR = 8-bit XOR
- 8SB = 8-bit SUB
- 8RT = 8-bit ROR
- 16X = 16-bit XOR
- 16S = 16-bit SUB
- 16R = 16-bit ROR
-
-
-
- History
- ************************************************************
- v1.0 - Initial Release
- v1.1 - I changed something
- v2.0 - ■ Improved speed significantly by now attempting to encrypt
- the plaintext with each possible key rather than decrypt
- the ciphertext with key. Note that since I switched to this
- faster method, the plaintext sequence should be greater than
- three bytes or you'll have many false positives after adjusting
- the 16-bit addressing.
- ■ No longer attempts address-adjusted 16-bit XOR; no point in this.
- The byte-reversed key should have been successful in the
- non-adjusted 16-bit XOR.
-
-
- later..
- √irogen/NuKE
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