liamg / Furious
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Furious IP/Port Scanner
Furious is a fast, lightweight, portable network scanner.
I haven't done any proper performance testing, but a SYN scan of a single host, including all known ports (~6000) will typically take in the region of 4 seconds. On the same machine, nmap took 98 seconds and produced exactly the same results.
Install
You'll need to install libpcap.
- On Linux, install
libpcapwith your package manager - On OSX,
brew install libpcap - On Windows, install WinPcap
Then just:
go get -u github.com/liamg/furious
Options
-s [TYPE] --scan-type [TYPE]
Use the specified scan type. The options are:
| Type | Description |
|---|---|
syn |
A SYN/stealth scan. Most efficient scan type, using only a partial TCP handshake. Requires root privileges. |
connect |
A less detailed scan using full TCP handshakes, though does not require root privileges. |
device |
Attempt to identify device MAC address and manufacturer where possible. Useful for listing devices on a LAN. |
The default is a SYN scan.
-p [PORTS] --ports [PORTS]
Scan the specified ports. Defaults to a list of all known ports as provided by IANA.
Ports may be specified using a comma delimited list, and ranges are also allowed.
For example:
--ports 22,80,443,8080-8082
...will scan 22, 80, 443, 8080, 8081, and 8082.
-t [MS] --timout-ms [MS]
The network timeout to apply to each port being checked. Default is 1000ms.
-w [COUNT] --workers [COUNT]
The number of worker routines to use to scan ports in parallel. Default is 1000 workers.
-u --up-only
Only show output for hosts that are confirmed as up.
--version
Output version information and exit.
Usage
Furious can be used to:
Find open ports on one or more hosts
Scan a single host:
furious 192.168.1.4
Scan a whole CIDR:
furious 192.168.1.0/24
Scan a mixture of IPs, hostnames and CIDRs
furious -s connect 8.8.8.8 192.168.1.1/24 google.com
Run a SYN (stealth) scan (with root privileges)
sudo -E furious -s syn 192.168.1.1
Run a connect scan as any user
furious -s connect 192.168.1.1
Identify device MAC address and manufacturer within a local network
furious -s device 192.168.1.1/24 -u
Troubleshooting
sudo: furious: command not found
If you installed using go, your user has the environment variables required to locate go programs, but root does not. You need to:
sudo env "PATH=$PATH" furious
SYN/Connect scans are slower than nmap!
They're not in my experience, but with default arguments furious scans nearly six times as many ports as nmap does by default.