161 - SNMP
Simple Network Management Protocol (SNMP) is a protocol used in TCP/IP networks to collect and manage information about networked devices.
NMAP Scan
nmap -sU --open -p 161 192.168.0.101
nmap 192.168.0.101 --script=snmp*
SNMP MIB Trees
1.3.6.1.2.1.25.1.6.0 - System Processes
1.3.6.1.2.1.25.4.2.1.2 - Running Programs
1.3.6.1.2.1.25.4.2.1.4 - Processes Path
1.3.6.1.2.1.25.2.3.1.4 - Storage Units
1.3.6.1.2.1.25.6.3.1.2 - Software Name
1.3.6.1.4.1.77.1.2.25 - User Accounts
1.3.6.1.2.1.6.13.1.3 - TCP Local Ports
SNMPwalk
snmpwalk -v2c -c public 10.129.14.128
SNMPcheck
snmpcheck -t 192.168.1.X -c public
Brute forcing community string
OneSixtyOne
nesixtyone -c dict.txt <ip>
Wordlists
/usr/share/seclists/Discovery/SNMP/common-snmp-community-strings-onesixtyone.txt
/usr/share/metasploit-framework/data/wordlists/snmp_default_pass.txt