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68 lines
3.3 KiB
Markdown
68 lines
3.3 KiB
Markdown
crl-monitor
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===========
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CRL Monitor - X.509 Certificate Revocation List monitoring
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X.509 Subject Cache
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================
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There is a set of tool to maintain a cache of certificate fingerprints
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along with the IP addresses seen with a specific fingerprint and subject.
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In order to feed the cache, dumps of SSL scans need to be imported.
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If you use the great dumps from [scans.io](https://scans.io/), you can do the following to import the certificate data:
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~~~~
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zcat ./scans-io/data/20141208_certs.gz | python dumpx509subject.py -p 6381 -s
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~~~~
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This command parses all the certificates and extract the subjects and imports these into the Redis-compatible database running on TCP port 6381.
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Then you need to import the mapping between scanned IP addresses and the fingerprint of the X.509 certificate seen:
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~~~~
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zcat ./scans-io/data/20141208_hosts.gz | python hoststoredis.py -p 6381
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~~~~
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The above procedure can be repeated with additional scans or you can import multiple scans in parallel using GNU Parallel.
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IP Subnet Lookup in X.509 Subject Cache
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================================
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ip-ssl-subject.py can query a network subnet and display the known certificate seen and display the X.509 subject if known.
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~~~~
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python ./bin/x509/ip-ssl-subject.py -s 199.16.156.0/28 -p 6381
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~~~~
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~~~~
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199.16.156.6
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1.3.6.1.4.1.311.60.2.1.3=US/1.3.6.1.4.1.311.60.2.1.2=Delaware/businessCategory=Private Organization/serialNumber=4337446, C=US/postalCode=94107, ST=California, L=San Francisco/street=795 Folsom St, Suite 600, O=Twitter, Inc., OU=Twitter Security, CN=twitter.com
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C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)06, CN=VeriSign Class 3 Extended Validation SSL CA
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add53f6680fe66e383cbac3e60922e3b4c412bed
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e3fc0ad84f2f5a83ed6f86f567f8b14b40dcbf12
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199.16.156.7
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C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert High Assurance CA-3
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C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert SHA2 High Assurance Server CA
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C=US, ST=CA, L=San Francisco, O=Twitter, Inc., OU=Twitter Security, CN=tdweb.twitter.com
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859b86acd1604078f7d0f4680fdff59965096745
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1858b819fffad8c948fac853882c5e8bbc5e7953
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199.16.156.8
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d8015bf46dfb91c6e4b1b6ab9a72c168933dc2d9
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C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)09, CN=VeriSign Class 3 Secure Server CA - G2
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C=US, ST=California, L=San Francisco, O=Twitter, Inc., OU=Twitter Security, CN=api.twitter.com
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C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Secure Server CA - G3
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199.16.156.9
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C=US, O=GeoTrust, Inc., CN=GeoTrust SSL CA
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serialNumber=X5-6oDhQgpWsUADnOU2IdZ38YWlIV8/8, C=US, ST=California, L=San Francisco, O=Twitter, Inc., CN=*.twitter.com
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199.16.156.10
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add53f6680fe66e383cbac3e60922e3b4c412bed
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e3fc0ad84f2f5a83ed6f86f567f8b14b40dcbf12
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199.16.156.11
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C=US, ST=California, L=San Francisco, O=Twitter, Inc., OU=Twitter Security, CN=t.co
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C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Secure Server CA - G3
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199.16.156.12
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C=US, ST=California, L=San Francisco, O=Twitter, Inc., OU=Twitter Security, CN=support.twitter.com
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C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Secure Server CA - G3
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~~~~
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