tag

Xor

18 posts
rev

LicenseGenerator

Xor+1

LicenseGenerator: recover the XOR transform from the binary and invert it to reveal the flag.

rev

SatelliteHijack

GDB+2

SatelliteHijack: trace the binary, isolate the validation routine, and invert it to recover the flag.

crypto

Whole Lotta Candy

AES+1

Whole Lotta Candy: abuse the AES misuse, derive the missing key material, and decrypt the flag.

rev

Baby Crypt

Xor+1

Baby Crypt: recover the XOR transform from the binary and invert it to reveal the flag.

rev

Impossible Password

Xor+1

Impossible Password: recover the XOR transform from the binary and invert it to reveal the flag.

crypto

LunaCrypt

Xor

LunaCrypt: derive the XOR key stream, invert the transform, and recover the flag.

crypto

I know Mag1k

Xor

I know Mag1k: derive the XOR key stream, invert the transform, and recover the flag.

rev

Hunting License

ELF+2

Hunting License: trace the binary, isolate the validation routine, and invert it to recover the flag.

rev

Potion Master

Xor+1

Potion Master: recover the XOR transform from the binary and invert it to reveal the flag.

crypto

Inizialization

AES+1

Inizialization: abuse the AES misuse, derive the missing key material, and decrypt the flag.

crypto

Secure Singning

Xor+1

Secure Singning: derive the XOR key stream, invert the transform, and recover the flag.

crypto

Flip

TryHackMe+2

Flip: abuse the AES misuse, derive the missing key material, and decrypt the flag.