Rules: Outbound TFTP Traffic
TFTP is rarely used externally and has been observed as a means to deliver malicious code from the outside.
| Detail | Value |
|---|---|
| Type | Match |
| Category | Execution |
| Apply Risk to Entities | device_ip, user_username, device_hostname, srcDevice_ip |
| Signal Name | Outbound TFTP Traffic |
| Summary Expression | Outbound TFTP traffic from IP: {{srcDevice_ip}} to IP: {{dstDevice_ip}} |
| Score/Severity | Static: 5 |
| Enabled by Default | True |
| Prototype | False |
| Tags | _mitreAttackTactic:TA0002, _mitreAttackTactic:TA0011, _mitreAttackTechnique:T1071, _mitreAttackTechnique:T1071.002 |
- Bro - Bro
- Cisco Systems - ASA
- Cisco Systems - Firepower
- Cisco Systems - Meraki
- Dell - Firewall
- Palo Alto Networks - Next Generation Firewall
| Origin | Field |
|---|---|
| Normalized Schema | device_hostname |
| Normalized Schema | device_ip |
| Normalized Schema | dstDevice_ip_isInternal |
| Normalized Schema | dstPort |
| Normalized Schema | ipProtocol |
| Normalized Schema | listMatches |
| Normalized Schema | srcDevice_ip |
| Normalized Schema | srcDevice_ip_isInternal |
| Normalized Schema | user_username |