Rules: SSL Certificate Not Valid Yet
A server responded on a SSL or TLS service using a certificate with a future-dated NotValidBefore attribute.
| Detail | Value |
|---|---|
| Type | Match |
| Category | Initial Access |
| Apply Risk to Entities | device_hostname, device_ip, srcDevice_hostname, srcDevice_ip, user_username |
| Signal Name | SSL Certificate Not Valid Yet |
| Summary Expression | Server responded with SSL or TLS certificate that is not yet valid from IP: {{srcDevice_ip}} |
| Score/Severity | Static: 4 |
| Enabled by Default | True |
| Prototype | False |
| Tags | _mitreAttackTactic:TA0042, _mitreAttackTechnique:T1608, _mitreAttackTechnique:T1608.003 |
| Origin | Field |
|---|---|
| Normalized Schema | device_hostname |
| Normalized Schema | device_ip |
| Normalized Schema | dstDevice_ip |
| Normalized Schema | listMatches |
| Normalized Schema | metadata_deviceEventId |
| Normalized Schema | metadata_product |
| Normalized Schema | srcDevice_hostname |
| Normalized Schema | srcDevice_ip |
| Normalized Schema | threat_name |
| Normalized Schema | user_username |