Detection rules › Sigma

RDP Login from Localhost

Severity
high
Author
Thomas Patzke
Source
upstream

RDP login with localhost source address may be a tunnelled login

MITRE ATT&CK coverage

TacticTechniques
Lateral MovementT1021.001 Remote Services: Remote Desktop Protocol

Event coverage

ProviderEvent IDTitle
Security-Auditing4624An account was successfully logged on.

Stages and Predicates

Stage 1: selection

IpAddress: [127.0.0.1, '::1']
LogonType: 10

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
IpAddresseq
  • 127.0.0.1 corpus 5 (sigma 5)
  • ::1 corpus 5 (sigma 5)
LogonTypeeq
  • 10 corpus 4 (sigma 3, splunk 1)

Neighbors

Broader alternatives (more inclusive than this rule)

These rules match a superset of what this rule catches. They cover the same events plus more. Use them if you want wider coverage and can absorb more false positives.