Mass SNMP scanner


Walk the SNMP tree of host with public string querying all OIDs under .1.3.6

$ braa public@[ip]:[.1.3.6.*]

Query the whole subnet ip_range for system.sysLocation.0
$ braa public@[ip_range]:[.]

Attempt to set the value of system.sysLocation.0 to a specific workgroup
$ braa private@[ip]:[.]=s'[workgroup]'


braa [-2] [-v] [-t ] [-f ] [-a


Braa is a mass snmp scanner. The intended usage of such a tool is of course making SNMP queries - but unlike snmpget or snmpwalk from net- snmp, it is able to query dozens or hundreds of hosts simultaneously, and in a single process. Thus, it consumes very few system resources and does the scanning VERY fast. Braa implements its OWN snmp stack, so it does NOT need any SNMP li‐ braries like net-snmp. The implementation is very dirty, supports only several data types, and in any case cannot be stated 'standard-conform‐ ing'! It was designed to be fast, and it is fast. For this reason (well, and also because of my laziness ;), there is no ASN.1 parser in braa - you HAVE to know the numerical values of OID's (for instance . instead of system.sysName.0).


-h Show help. -2 Claim to be a SNMP2C agent. -v Show short summary after doing all queries. -x Hexdump octet-strings -t Wait seconds for responses. -d Wait microseconds after sending each packet. -p Wait milliseconds between subsequent passes. -f Load queries from file (one by line). -a


GET: [community@]iprange[:port]:oid[/id] WALK: [community@]iprange[:port]:oid.*[/id] SET: [community@]iprange[:port]:oid=value[/id]


$braa public@* Walk the SNMP tree of host with public string querying all OIDs under .1.3.6: $braa Query the whole subnet 10.53.101/24 of for system.sysLocation.0 $braa private@ network Tries to set the value of system.sysLocation.0 to "My network" at host BRAA(1)

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Simon Schubert -
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