First post
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| Original author(s) | Robert David Graham (erratarob) |
|---|---|
| Initial release | August 2013 |
| Stable release | 1.3.2
/ 31 January 2021[1] |
| Written in | C, Lua |
| Engine | |
| Operating system | Cross-platform |
| Available in | English |
| Type | Network security |
| License | Modified A-GPL-2[2] |
| Website | github |
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Masscan is an open-source network scanner that can quickly scan large networks. In particular, it can scan the entire IPv4 Internet in under 5 minutes[3], from a single computer, when given sufficient network bandwidth (20-gbps) to the Internet.
Whereas other network scanners, such as the popular Nmap, focus on doing heavy scans of a small number of targets, masscan focuses on doing a large scan of a lot of targets.
Masscan can send packets as fast as the underlying platform allows. This is usually a software limitation. A virtual machine might be limited to 10-kpps and a standard Linux installation to 300-kpps. Tuning, or using a faster driver like PF_RING can increase speeds to millions of packets-per-second.[4].
Masscan is included in hacking tookits like Kali Linux[5], as well as many Linux distros[6][7]. It's frequently used by ransomware criminals.[8][9]. It's popular among defenders for scanning their own networks quickly.[10]
When major new vulnerabilities are discovered, defenders will often use masscan in conjunction with another script to quickly find that vulnerability on the network. For example, after the BlueKeep vulnerability was disclosed by Microsoft, defenders used masscan and a script to quickly detect affected devices on their network.[11]
See also[edit]
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References[edit]
- ↑ "masscan/1.3.2". github.com. 2021-01-31. Retrieved 2021-01-31.
- ↑ "masscan license". Retrieved 2021-01-31.
- ↑ "Masscan the entire Internet in 3 minutes". Erratasec blog. 2013-09-14. Retrieved 2021-06-16. Unknown parameter
|url-status=ignored (help) - ↑ "Notes about masscan". github.com. Retrieved 2021-06-16.
- ↑ "masscan Package Description". tools.kali.org. Retrieved 2021-06-16.
- ↑ "masscan man page". ubuntu.com. Retrieved 2021-06-16.
- ↑ "mmasscan 1.3.2-1". archlinux.org. Retrieved 2021-06-16.
- ↑ Sheriden, Kelly (2021-02-02). "Interview With a Russian Cybercriminal". DarkReading.com. Retrieved 2021-06-16.
- ↑ Cimpanu, Catalin (2021-02-01). "New Trickbot module uses Masscan for local network reconnaissance". ZDNet.com. Retrieved 2021-06-16.
- ↑ "Masscan Tool". defense.gov. Retrieved 2021-06-16.
- ↑ "MScanning for Bluekeep vulnerable RDP instances". isc.sans.edu. Retrieved 2021-06-16.
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