5Charlie CTF - Disorderly2
A write-up of the Disorderly2 crypto challenge from 5Charlie CTF.
Posts by Category
write-up
5Charlie CTF - Escalator
A write-up of the “Escalator” privelege escalation challenge set from 5Charlie CTF.
5Charlie CTF - Easy Too
A write-up of the “Easy Too” reverse engineering challenge from 5Charlie CTF.
5Charlie CTF - Covert-Channel - Easy Channel
A write-up of the “Easy Channel” network covert-channel pcap analysis challenge from 5Charlie CTF.
5Charlie CTF - Covert-Channel - Busy Day
A write-up of the “Busy Day” network covert-channel pcap analysis challenge from 5Charlie CTF.
5Charlie CTF - Plyushkin
A write-up of the Plyushkin SQLi challenge from 5Charlie CTF.
5Charlie CTF - Myste-RE
A write-up of the “Myste-RE” reverse-engineering challenge from 5Charlie CTF.
5Charlie CTF - Odyssey
A write-up of the “Odyssey” container memory export forensic analysis challenge from 5Charlie CTF.
5Charlie CTF - MP3 - Pop
A write-up of the “Pop” audio steganography challenge from 5Charlie CTF.
5Charlie CTF - Korobochka
A write-up of the “Korobochka” Elastic hacking challenge from 5Charlie CTF.
5Charlie CTF - Exfil - MD5
A write-up of the “MD5” network covert-channel pcap analysis challenge from 5Charlie CTF.
5Charlie CTF - Exfil - Wisdom
A write-up of the “Wisdom” network covert-channel pcap analysis challenge from 5Charlie CTF.
5Charlie CTF - Evasion
A write-up of the Aperture Linux live system forensics challenge from 5Charlie CTF.
5Charlie CTF - Cracking
A write-up of the “Cracking” password cracking challenge from 5Charlie CTF.
5Charlie CTF - Covert Channel - Normal
A write-up of the “Normal” network covert-channel pcap analysis challenge from 5Charlie CTF.
5Charlie CTF - BMP
A write-up of the BMP image steganography challenge from 5Charlie CTF.
5Charlie CTF - Blackjack 2.0
A write-up of the Blackjack 2.0 Python application security challenge from 5Charlie CTF.
5Charlie CTF - Blackjack
A write-up of the Blackjack Python application security challenge from 5Charlie CTF.
5Charlie CTF - Aperture
A write-up of the Aperture Linux live system forensics challenge from 5Charlie CTF.
5Charlie CTF - 0day
A write-up of the 0day Windows memory forensics challenge from 5Charlie CTF.
linux
RE: VMWare Workstation VLANs
Last year I wrote about using VLANs with VMWare Workstation with systemd-networkd. A year later, I’m still actively using this process in my day to day workf...
Using VLANs with VMWare on a Linux Desktop
UPDATE: I have written an easier, more robust guide that leverages NetworkManager and nmcli.
Linux Desktop Not Pulling An IPv6 Address
Configure your host firewall to allow DHCPv6 inbound.
Bypassing Linux Firewalls with Link-Local IPv6
During a King-of-the-Hill or Attack/Defend-style Capture the Flag exercise, defenders are under pressure to defend many hosts at once, to the best of their a...
vmware
RE: VMWare Workstation VLANs
Last year I wrote about using VLANs with VMWare Workstation with systemd-networkd. A year later, I’m still actively using this process in my day to day workf...
Using VLANs with VMWare on a Linux Desktop
UPDATE: I have written an easier, more robust guide that leverages NetworkManager and nmcli.
networking
Unifi CloudKey Gen2 Plus Dual Homing
UPDATE: Updates to the Unifi software now conflict with this configuration. I highly recommend finding an alternative solution as this will cause the Unifi P...