Simple Network Management Protocol, port 161, UDP Monitoring des équipements réseaux, peut aussi être utilisé pour faire de la configuration à distance.

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Enumeration

SnmpWalk:

snmpwalk -v2c -c $CommunityString $ip

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Brute force

Brute force de la community string:

onesixtyone -c /opt/useful/SecLists/Discovery/SNMP/snmp.txt $ip

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Configuration potentiellement dangereuse

Settings	Description
rwuser noauth	Provides access to the full OID tree without authentication.
rwcommunity	Provides access to the full OID tree regardless of where the requests were sent from.
rwcommunity6	Same access as with rwcommunity with the difference of using IPv6.