crtsh is crt.sh Golang utility
go get github.com/famasoon/crtshcrtsh has some option.
The -q option is to query to https://crt.sh
The result is dictionary items which looks like this:
$ crtsh -q example.com
{
Index: 1
Issuer CA ID: 1191
Issuer Name: C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA
Name: example.com
Min Cert ID: 987119772
Min Entry TimeStamp: 2018-11-29T13:44:14.118
Not Before: 2018-11-28T00:00:00
Not After: 2020-12-02T12:00:00
Donwload Pem file: https://crt.sh/?d=987119772
}
{
Index: 2
Issuer CA ID: 1191
Issuer Name: C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA
Name: example.com
Min Cert ID: 984858191
Min Entry TimeStamp: 2018-11-28T21:20:12.606
Not Before: 2018-11-28T00:00:00
Not After: 2020-12-02T12:00:00
Donwload Pem file: https://crt.sh/?d=984858191
}
{
Index: 3
Issuer CA ID: 1465
Issuer Name: C=US, O="thawte, Inc.", CN=thawte SSL CA - G2
Name: example.com
Min Cert ID: 24564717
Min Entry TimeStamp: 2016-07-14T07:55:01.55
Not Before: 2016-07-14T00:00:00
Not After: 2017-07-14T23:59:59
Donwload Pem file: https://crt.sh/?d=24564717
}
{
Index: 4
Issuer CA ID: 1465
Issuer Name: C=US, O="thawte, Inc.", CN=thawte SSL CA - G2
Name: example.com
Min Cert ID: 24560643
Min Entry TimeStamp: 2016-07-14T07:30:08.461
Not Before: 2016-07-14T00:00:00
Not After: 2018-07-14T23:59:59
Donwload Pem file: https://crt.sh/?d=24560643
}
{
Index: 5
Issuer CA ID: 1465
Issuer Name: C=US, O="thawte, Inc.", CN=thawte SSL CA - G2
Name: example.com
Min Cert ID: 24560621
Min Entry TimeStamp: 2016-07-14T07:25:01.93
Not Before: 2016-07-14T00:00:00
Not After: 2017-07-14T23:59:59
Donwload Pem file: https://crt.sh/?d=24560621
}
{
Index: 6
Issuer CA ID: 1449
Issuer Name: C=US, O=Symantec Corporation, OU=Symantec Trust Network, CN=Symantec Class 3 Secure Server CA - G4
Name: example.com
Min Cert ID: 24558997
Min Entry TimeStamp: 2016-07-14T06:40:02.4
Not Before: 2016-07-14T00:00:00
Not After: 2018-07-14T23:59:59
Donwload Pem file: https://crt.sh/?d=24558997
}
{
Index: 7
Issuer CA ID: 1397
Issuer Name: C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert SHA2 High Assurance Server CA
Name: example.com
Min Cert ID: 10557607
Min Entry TimeStamp: 2015-11-05T14:51:33.941
Not Before: 2015-11-03T00:00:00
Not After: 2018-11-28T12:00:00
Donwload Pem file: https://crt.sh/?d=10557607
}
{
Index: 8
Issuer CA ID: 1397
Issuer Name: C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert SHA2 High Assurance Server CA
Name: example.com
Min Cert ID: 5857507
Min Entry TimeStamp: 2014-12-11T14:36:57.201
Not Before: 2014-11-06T00:00:00
Not After: 2015-11-13T12:00:00
Donwload Pem file: https://crt.sh/?d=5857507
}And -q option can use -o option.
The -o option only enumerates domains.
$ crtsh -q example.com -o
example.com
example.com
example.com
example.com
example.com
example.com
example.com
example.comThis option can query to use wildcard (% = wildcard)
For Example:
$ crtsh -q %.example.com -o
www.example.com
www.example.com
www.example.com
*.example.com
*.example.com
m.example.com
www.example.com
dev.example.com
products.example.com
support.example.com
www.example.com
www.example.com
www.example.comWe can extract unique URL.
$ crtsh -q %.example.com -o | sort | uniq
*.example.com
dev.example.com
m.example.com
products.example.com
support.example.com
www.example.comThe -cn option query CommonName.
And this option also can use -o option.
For Example: crtsh -cn <CommonName>
$ crtsh -cn test
{
Index: 1
Issuer CA ID: 6831
Issuer Name: C=BE, O=GlobalSign nv-sa, CN=GlobalSign PersonalSign 2 CA - G2
Name: Test
Min Cert ID: 197744191
Min Entry TimeStamp: 2017-08-24T18:23:36.43
Not Before: 2014-07-31T20:44:32
Not After: 2015-08-01T20:44:32
Donwload Pem file: https://crt.sh/?d=197744191
}
{
Index: 2
Issuer CA ID: 750
Issuer Name: emailAddress=contacto@procert.net.ve, L=Chacao, ST=Miranda, OU=Proveedor de Certificados PROCERT, O=Sistema Nacional de Certificacion Electronica, C=VE, CN=PSCProcert
Name: test
Min Cert ID: 197155020
Min Entry TimeStamp: 2017-08-23T22:07:22.88
Not Before: 2017-08-23T13:05:28
Not After: 2018-08-23T13:05:28
Donwload Pem file: https://crt.sh/?d=197155020
}
{
Index: 3
Issuer CA ID: 750
Issuer Name: emailAddress=contacto@procert.net.ve, L=Chacao, ST=Miranda, OU=Proveedor de Certificados PROCERT, O=Sistema Nacional de Certificacion Electronica, C=VE, CN=PSCProcert
Name: test
Min Cert ID: 197073488
Min Entry TimeStamp: 2017-08-23T19:42:20.529
Not Before: 2017-08-23T13:11:13
Not After: 2018-08-23T13:11:13
Donwload Pem file: https://crt.sh/?d=197073488
}
{
Index: 4
Issuer CA ID: 1715
Issuer Name: C=CN, O=CNNIC SHA256 SSL, CN=CNNIC SHA256 SSL
Name: test
Min Cert ID: 7096879
Min Entry TimeStamp: 2015-04-08T00:24:19.637
Not Before: 2014-12-12T06:08:52
Not After: 2015-12-12T06:08:52
Donwload Pem file: https://crt.sh/?d=7096879
}
{
Index: 5
Issuer CA ID: 1715
Issuer Name: C=CN, O=CNNIC SHA256 SSL, CN=CNNIC SHA256 SSL
Name: test
Min Cert ID: 7096563
Min Entry TimeStamp: 2015-04-08T00:11:13.016
Not Before: 2014-12-14T12:00:54
Not After: 2015-12-14T12:00:54
Donwload Pem file: https://crt.sh/?d=7096563
}
{
Index: 6
Issuer CA ID: 29
Issuer Name: C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert High Assurance CA-3
Name: test
Min Cert ID: 4202482
Min Entry TimeStamp: 2014-05-22T23:21:36.633
Not Before: 2011-07-28T00:00:00
Not After: 2014-08-01T12:00:00
Donwload Pem file: https://crt.sh/?d=4202482
}
{
Index: 7
Issuer CA ID: 29
Issuer Name: C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert High Assurance CA-3
Name: test
Min Cert ID: 4202481
Min Entry TimeStamp: 2014-05-22T23:21:33.786
Not Before: 2011-07-28T00:00:00
Not After: 2014-08-01T12:00:00
Donwload Pem file: https://crt.sh/?d=4202481
}The -i option parse pem file.
If you set this option, you can enumerate DNS records that was implanted pem file.
I will add more features.
For Example: crtsh -i <Min Cert ID>
$ crtsh -i 5857507
CertID: 5857507
Enumrate DNS Names:
www.example.org
example.com
example.edu
example.net
example.org
www.example.com
www.example.edu
www.example.netimport (
"github.com/famasoon/crtsh/ctlog"
"github.com/famasoon/crtsh/parser"
)- This tool is using https://crt.sh
- Created by FAMASoon