Cisco SNMP

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Pentesting Cisco Networks

SNMP inafanya kazi juu ya UDP na bandari 161/UDP kwa ujumbe wa jumla na 162/UDP kwa ujumbe wa mtego. Protokali hii inategemea nyuzi za jamii, zinazofanya kazi kama nywila zinazowezesha mawasiliano kati ya wakala wa SNMP na seva. Nyuzi hizi ni muhimu kwani zinatambulisha viwango vya ufikiaji, haswa kusoma tu (RO) au ruhusa za kusoma-kandika (RW). Njia maarufu ya shambulio kwa wapimaji ni kujaribu nguvu za nyuzi za jamii, lengo likiwa kuingia kwenye vifaa vya mtandao.

Chombo cha vitendo kwa ajili ya kutekeleza mashambulizi kama haya ya nguvu ni onesixtyone, ambacho kinahitaji orodha ya nyuzi za jamii zinazoweza kutokea na anwani za IP za malengo:

onesixtyone -c communitystrings -i targets

cisco_config_tftp

The Metasploit framework features the cisco_config_tftp module, facilitating the extraction of device configurations, contingent upon acquiring an RW community string. Essential parameters for this operation include:

• RW community string (COMMUNITY)

• IP ya mshambuliaji (LHOST)

• IP ya kifaa kilicholengwa (RHOSTS)

• Njia ya marudio kwa ajili ya faili za usanidi (OUTPUTDIR)

Upon configuration, this module enables the download of device settings directly to a specified folder.

snmp_enum

Another Metasploit module, snmp_enum, specializes in gathering detailed hardware information. It operates with either type of community string and requires the target's IP address for successful execution:

msf6 auxiliary(scanner/snmp/snmp_enum) > set COMMUNITY public
msf6 auxiliary(scanner/snmp/snmp_enum) > set RHOSTS 10.10.100.10
msf6 auxiliary(scanner/snmp/snmp_enum) > exploit

References

• https://medium.com/@in9uz/cisco-nightmare-pentesting-cisco-networks-like-a-devil-f4032eb437b9

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