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# DigitalOverdoseCTF 2021 - Log Analysis [analysis]

Log Analysis An incident has affected our website! Fortunately, we have logs. This is a 3-part challenge. Two IIS logs are provided: $ll *log 9,4M attack.log 46M more.log$ for f in *log; ...

# DownUnderCTF 2021 - Write What Where [Pwn]

Write What Where is an easy pwn challenge with 70 solves. We get an x64 executable and a libc shared library. The description of the challenge is the following: You've got one write. What do you d...

# DownUnderCTF 2021 - Flag Checker [Reversing]

flag checker was a reversing challenge during DownUnderCTF 2021 that got 16 solves. We are given a stripped 64 bit binary ELF file for Linux. \$ file flag_checker flag_checker: ELF 64-bit LSB pie ...

# HacktivityCON CTF 2021 - Sharp [Pwn]

Introduction Sharp is the pwn challenge with the fewest solves in Hacktivitycon CTF 2021. We are given a 64-bit binary and a libc shared library. The program is a username manager programmed in C. ...

# SunshineCTF 2021 - UselessVM [Reversing]

NOTE: Original post at: http://revpwn.com/Writeups/rev/SunshineCTF-UselessVM/. Problem Description I designed my own virtualized flag storage system a while back. Unfortunately, I think it may hav...

# CSAW 2021 - Gotta Decrypt Them All [crypto]

Gotta Decrypt Them All You are stuck in another dimension while you were riding Solgaleo. You have Rotom-dex with you to contact your friends but he won’t activate the GPS unless you can prove ...

# TMUCTF 2021 - Symphony of Loss [Forensic]

Symphony of Loss was one of the forensics challenges in TMU CTF 2021 that only got 3 solves. The challenge description reads: After monitoring our company's network, we found some suspicious traff...

# GrabCON CTF 2021 - Paas [Pwn]

Paas was a kernel exploitation challenge during GrabCON CTF 2021 that only got a single solve (our own). We are given a tarball and SSH access to a remote server. The compressed archive contains a ...

# FwordCTF 2021 - Containers? [Bash]

Containers? was a bash challenge during FwordCTF 2021 that got 9 solves. We are given an ELF binary, called sealer, and access to a remote server via SSH. If we log to the server we find two files...

# FwordCTF 2021 - listening? [Forensic]

listening? was one of the forensics challenges in Fword ctf 2021. The challenge description reads: How Deep Can You Possibly Dig? Flag Format: FwordCTF{....} We are given a pcap file challenge....

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