Pwnies Rus-Jeopardy

Hacker's Secret

500

... A technique in which the attacker uses control of the call stack to indirectly execute cherry-picked machine-code (assembly) instructions (or groups of machine instructions) immediately prior to the return instruction in subroutines within the existing program code

Hvad er ROP chain generation (Return-oriented programming attacks)

Number Representation

100

1337

Decimal! (1337 decimal = 1337 decimal)

200

0b101010

Binary/bits (0b101010 = 42 decimal)

300

0x2a

Hexadecimal! (0x2a = 42 decimal)

400

0o52

Octal! (52 octal = 42 decimal)

Stego/Crypto

100

Uryyb Jbeyq!

(original text: Hello World!)

ROT-13 (Caesar cipher)

200

SGVsbG8gV29ybGQhCg==

(original text: Hello World!)

Base64

300

!dlroW olleH

(original text: Hello World!)

Rev (reverse)

Pwnies!

100

Torsdag

Hvad er den dag om ugen hvor Pwnies mødes

200

CTF (Capture the Flag)

Hvad er Turneringer som Pwnies deltager i (hacker-turneringer)

300

Linux

Hvad er Det objektivt bedste styresystem at hacke på