Script ssl-cert

Script types: portrule
Categories: default, safe, discovery
Download: https://svn.nmap.org/nmap/scripts/ssl-cert.nse

Script Summary

Retrieves a server's SSL certificate. The amount of information printed about the certificate depends on the verbosity level. With no extra verbosity, the script prints the validity period and the commonName, organizationName, stateOrProvinceName, and countryName of the subject. 

443/tcp open  https
| ssl-cert: Subject: commonName=www.paypal.com/organizationName=PayPal, Inc.\
/stateOrProvinceName=California/countryName=US
| Not valid before: 2011-03-23 00:00:00
|_Not valid after:  2013-04-01 23:59:59

With -v it adds the issuer name and fingerprints. 

443/tcp open  https
| ssl-cert: Subject: commonName=www.paypal.com/organizationName=PayPal, Inc.\
/stateOrProvinceName=California/countryName=US
| Issuer: commonName=VeriSign Class 3 Extended Validation SSL CA\
/organizationName=VeriSign, Inc./countryName=US
| Public Key type: rsa
| Public Key bits: 2048
| Signature Algorithm: sha1WithRSAEncryption
| Not valid before: 2011-03-23 00:00:00
| Not valid after:  2013-04-01 23:59:59
| MD5:   bf47 ceca d861 efa7 7d14 88ad 4a73 cb5b
|_SHA-1: d846 5221 467a 0d15 3df0 9f2e af6d 4390 0213 9a68

With -vv it adds the PEM-encoded contents of the entire certificate. 

443/tcp open  https
| ssl-cert: Subject: commonName=www.paypal.com/organizationName=PayPal, Inc.\
/stateOrProvinceName=California/countryName=US/1.3.6.1.4.1.311.60.2.1.2=Delaware\
/postalCode=95131-2021/localityName=San Jose/serialNumber=3014267\
/streetAddress=2211 N 1st St/1.3.6.1.4.1.311.60.2.1.3=US\
/organizationalUnitName=PayPal Production/businessCategory=Private Organization
| Issuer: commonName=VeriSign Class 3 Extended Validation SSL CA\
/organizationName=VeriSign, Inc./countryName=US\
/organizationalUnitName=Terms of use at https://www.verisign.com/rpa (c)06
| Public Key type: rsa
| Public Key bits: 2048
| Signature Algorithm: sha1WithRSAEncryption
| Not valid before: 2011-03-23 00:00:00
| Not valid after:  2013-04-01 23:59:59
| MD5:   bf47 ceca d861 efa7 7d14 88ad 4a73 cb5b
| SHA-1: d846 5221 467a 0d15 3df0 9f2e af6d 4390 0213 9a68
| -----BEGIN CERTIFICATE-----
| MIIGSzCCBTOgAwIBAgIQLjOHT2/i1B7T//819qTJGDANBgkqhkiG9w0BAQUFADCB
...
| 9YDR12XLZeQjO1uiunCsJkDIf9/5Mqpu57pw8v1QNA==
|_-----END CERTIFICATE-----

See also:

Script Arguments

mssql.domain, mssql.instance-all, mssql.instance-name, mssql.instance-port, mssql.password, mssql.protocol, mssql.scanned-ports-only, mssql.timeout, mssql.username

See the documentation for the mssql library.

smbdomain, smbhash, smbnoguest, smbpassword, smbtype, smbusername

See the documentation for the smbauth library.

smtp.domain

See the documentation for the smtp library.

randomseed, smbbasic, smbport, smbsign

See the documentation for the smb library.

tls.servername

See the documentation for the tls library.

Example Usage

nmap -sV -sC <target>

Script Output 

443/tcp open  https
| ssl-cert: Subject: commonName=www.paypal.com/organizationName=PayPal, Inc.\
/stateOrProvinceName=California/countryName=US
| Not valid before: 2011-03-23 00:00:00
|_Not valid after:  2013-04-01 23:59:59

Requires

Author:

  • David Fifield

License: Same as Nmap--See https://nmap.org/book/man-legal.html