Penetration Testing with the Bash shell

Interrogating servers

For any network device to participate in communication, certain information needs to be accessible to it, no device will be able to look up a domain name or find an IP address without the participation of devices in charge of certain information. In this section, we will detail some techniques you can use to interrogate common network components for sensitive information about your target network and the hosts on it.

SNMP interrogation

The Simple Network Management Protocol (SNMP) is used by routers and other network components in order to support remote monitoring of things such as bandwidth, CPU/Memory usage, hard disk space usage, logged on users, running processes, and a number of other incredibly sensitive collections ...