Host Discovery
IP
Local IP
ip addr show dev tun0ipv6
ip -6 addr show dev tun0Find local hosts:
ip neigh
IPv6 hosts:
ip -6 neigh
How do I change the state of the device to UP or DOWN?
The syntax is as follows:
ip link set dev {DEVICE} {up|down}
Nmap
Useful parameters:
Parameter
Info
-sS
Syn Scan
-v
Verbose
-A
OS, Scripts and service scan
-p-
Full port Scan
-sU
UDP Scan
--script=smb-vuln-scan
Run smb script
--script-args=unsafe=1
run the script with arguments
-iL
Scan from a target file
--exclude
Exclude listed hosts
--excludefile
Exclude file list
-sL
No scan list targets only
-sn
Disable port scanning, host discovery only
-sV
Attempts to determine the service version
-T0 to -T5
Scan speed, 0 the slowest and best at evasion, 5 insane speed scan
--max-retries
Maximum member of port scan retransmissions
netdiscover
Discovers IP, MAC Address and MAC vendor on the subnet from ARP, helpful for confirming you're on the right VLAN at client site
netdiscover -r 192.168.1.0/24
Results:
ARP
OneLiners - Ping sweep
Windows
for /L %i in (1,1,255) do @ping -n 1 -w 200 172.21.10.%i > nul && echo 192.168.1.%i is up.
Linux
for i in {1..254} ;do (ping -c 1 172.21.10.$i | grep "bytes from" &) ;done
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