Network

Networks challenges where you have to deal with captured traffic, network services, packet analysis, etc

The following set of problems deal with network traffic including different protocols. You need to analyse the packet captures to solve these challenges.

Prerequisites:
Knowledge of a network capture analyzing tool.
Knowlege of the most common network protocols.

18 Challenges

Results	Name	Validations	Number of points	Difficulty ↓↑	Author	Note	Solution
	FTP - authentication	31% 57050	5		g0uZ		8
	TELNET - authentication	27% 50309	5		g0uZ		9
	ETHERNET - frame	21% 39221	10		abu_youssef		11
	Twitter authentication	24% 44314	15		g0uZ		6
	Bluetooth - Unknown file	6% 10571	15		Neptune		4
	CISCO - password	15% 28172	15		Thanat0s		10
	DNS - zone transfert	8% 13583	15		g0uZ		10
	IP - Time To Live	15% 27024	15		g0uZ		5
	LDAP - null bind	5% 7811	15		g0uZ		6
	SNMP - Authentification	1% 1719	35		0x0ff.info		5
	ICMP payload	2% 3116	40		g0uZ		2
	Wired Equivalent Privacy	1% 843	35		Deva		4
	SIP - authentication	13% 22703	20		g0uZ		3
	Netfilter - common mistakes	1% 1755	35		spump		3
	SSL - HTTP exchange	2% 3705	30		g0uZ		2
	Global System Traffic for Mobile communication	3% 3785	25		koma		4
	ETHERNET - Patched transmission	4% 7488	25		Thanat0s		5
	XMPP - authentication	1% 1250	45		koma		1

Challenge Results

Pseudo	Challenge	Lang	date
m tt g	IP - Time To Live		4 August 2020 at 23:02
lnxipsum	DNS - zone transfert		4 August 2020 at 23:01
Illumi	TELNET - authentification		4 August 2020 at 22:56
m tt g	CISCO - mot de passe		4 August 2020 at 22:55
Gneuh	CISCO - mot de passe		4 August 2020 at 22:49
lnxipsum	CISCO - password		4 August 2020 at 22:47
Gneuh	Bluetooth - Fichier inconnu		4 August 2020 at 22:40
Illumi	FTP - Authentification		4 August 2020 at 22:27
lnxipsum	Bluetooth - Unknown file		4 August 2020 at 22:25
Gneuh	Authentification twitter		4 August 2020 at 22:24