5Charlie CTF - Disorderly2
A write-up of the Disorderly2 crypto challenge from 5Charlie CTF.
Posts by Tag
- ctf 20
- write-up 20
- linux 11
- networking 5
- network 5
- covert-channel 5
- hacking 4
- forensics 4
- ipv6 2
- miscellaneous 2
- secure-coding 2
- steganography 2
- cracking 2
- reverse-engineering 2
- vmware 2
- vlans 2
- virtualization 2
- pivoting 1
- volatility 1
- windows 1
- elastic 1
- devops 1
- docker 1
- troubleshooting 1
- dhcpv6 1
- vlan 1
- unifi 1
- ubiquiti 1
- database 1
- sqli 1
- arm 1
- angr 1
- privesc 1
- systemd 1
- encoding 1
- encryption 1
ctf
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.
write-up
5Charlie CTF - Disorderly2
A write-up of the Disorderly2 crypto challenge from 5Charlie CTF.
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.
5Charlie CTF - Escalator
A write-up of the “Escalator” privelege escalation challenge set from 5Charlie CTF.
5Charlie CTF - Plyushkin
A write-up of the Plyushkin SQLi challenge from 5Charlie CTF.
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...
Linux Desktop Not Pulling An IPv6 Address
Configure your host firewall to allow DHCPv6 inbound.
5Charlie CTF - Odyssey
A write-up of the “Odyssey” container memory export forensic analysis challenge from 5Charlie CTF.
5Charlie CTF - Korobochka
A write-up of the “Korobochka” Elastic hacking challenge from 5Charlie CTF.
5Charlie CTF - Evasion
A write-up of the Aperture Linux live system forensics challenge from 5Charlie CTF.
5Charlie CTF - Aperture
A write-up of the Aperture Linux live system forensics challenge from 5Charlie CTF.
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...
networking
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.
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...
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...
network
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 - 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 - Covert Channel - Normal
A write-up of the “Normal” network covert-channel pcap analysis challenge from 5Charlie CTF.
covert-channel
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 - 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 - Covert Channel - Normal
A write-up of the “Normal” network covert-channel pcap analysis challenge from 5Charlie CTF.
hacking
5Charlie CTF - Escalator
A write-up of the “Escalator” privelege escalation challenge set from 5Charlie CTF.
5Charlie CTF - Plyushkin
A write-up of the Plyushkin SQLi challenge from 5Charlie CTF.
5Charlie CTF - Korobochka
A write-up of the “Korobochka” Elastic hacking challenge from 5Charlie CTF.
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...
forensics
5Charlie CTF - Odyssey
A write-up of the “Odyssey” container memory export forensic analysis challenge from 5Charlie CTF.
5Charlie CTF - Evasion
A write-up of the Aperture Linux live system forensics 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.
ipv6
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...
miscellaneous
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.
secure-coding
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.
steganography
5Charlie CTF - MP3 - Pop
A write-up of the “Pop” audio steganography challenge from 5Charlie CTF.
5Charlie CTF - BMP
A write-up of the BMP image steganography challenge from 5Charlie CTF.
cracking
5Charlie CTF - Disorderly2
A write-up of the Disorderly2 crypto challenge from 5Charlie CTF.
5Charlie CTF - Cracking
A write-up of the “Cracking” password cracking challenge from 5Charlie CTF.
reverse-engineering
5Charlie CTF - Easy Too
A write-up of the “Easy Too” reverse engineering challenge from 5Charlie CTF.
5Charlie CTF - Myste-RE
A write-up of the “Myste-RE” reverse-engineering challenge from 5Charlie CTF.
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.
vlans
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.
virtualization
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.
pivoting
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...
volatility
5Charlie CTF - 0day
A write-up of the 0day Windows memory forensics challenge from 5Charlie CTF.
windows
5Charlie CTF - 0day
A write-up of the 0day Windows memory forensics challenge from 5Charlie CTF.
elastic
5Charlie CTF - Korobochka
A write-up of the “Korobochka” Elastic hacking challenge from 5Charlie CTF.
devops
5Charlie CTF - Odyssey
A write-up of the “Odyssey” container memory export forensic analysis challenge from 5Charlie CTF.
docker
5Charlie CTF - Odyssey
A write-up of the “Odyssey” container memory export forensic analysis challenge from 5Charlie CTF.
troubleshooting
Linux Desktop Not Pulling An IPv6 Address
Configure your host firewall to allow DHCPv6 inbound.
dhcpv6
Linux Desktop Not Pulling An IPv6 Address
Configure your host firewall to allow DHCPv6 inbound.
vlan
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...
unifi
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...
ubiquiti
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...
database
5Charlie CTF - Plyushkin
A write-up of the Plyushkin SQLi challenge from 5Charlie CTF.
sqli
5Charlie CTF - Plyushkin
A write-up of the Plyushkin SQLi challenge from 5Charlie CTF.
arm
5Charlie CTF - Easy Too
A write-up of the “Easy Too” reverse engineering challenge from 5Charlie CTF.
angr
5Charlie CTF - Easy Too
A write-up of the “Easy Too” reverse engineering challenge from 5Charlie CTF.
privesc
5Charlie CTF - Escalator
A write-up of the “Escalator” privelege escalation challenge set from 5Charlie CTF.
systemd
Using VLANs with VMWare on a Linux Desktop
UPDATE: I have written an easier, more robust guide that leverages NetworkManager and nmcli.
encoding
5Charlie CTF - Disorderly2
A write-up of the Disorderly2 crypto challenge from 5Charlie CTF.
encryption
5Charlie CTF - Disorderly2
A write-up of the Disorderly2 crypto challenge from 5Charlie CTF.