2022weight 23.61HackArmour

hackrocks & HackArmour CTF

5 challenges with 7 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.

Full task list on CTFtime

Misc3

Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.

Solve it with:Brainfuck and esolang decoder Cipher identifier and automatic decoder Regex tester with match offsets and capture groups Learn: Recognising encodings

Sussy
2 writeups
Same technique in picoCTF: Permissions, Specialer, Codebook
LeChunk is back!
1 writeup
Same technique in picoCTF: Permissions, Specialer, Codebook
Morpheus
1 writeup
- engineering
Same technique in picoCTF: Permissions, Specialer, Codebook

Binary exploitation1

Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.

Solve it with:ROP gadget finder Shellcode assembler and library Cyclic pattern generator and offset finder Format string exploit builder Learn: Binary exploitation

Not a Baby ROP
25 pts2 writeups
- ret2puts
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, Binary Gauntlet 3

Forensics1

Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.

Solve it with:File type identifier by magic bytes Magic byte and file signature table PCAP analyzer for CTF network forensics EXIF metadata viewer Learn: File forensics and carving Learn: Network forensics

Oblivion
1 writeup
- packet-analysis
- network
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions

Misc3

Sussy

LeChunk is back!

Morpheus

Binary exploitation1

Not a Baby ROP

Forensics1

Oblivion

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