Detection rules › Sigma

RDP Login from Localhost

Status
test
Severity
high
Log source
product windows, service security
Author
Thomas Patzke
Source
github.com/SigmaHQ/sigma

RDP login with localhost source address may be a tunnelled login

MITRE ATT&CK coverage

Event coverage

Rule body yaml

title: RDP Login from Localhost
id: 51e33403-2a37-4d66-a574-1fda1782cc31
status: test
description: RDP login with localhost source address may be a tunnelled login
references:
    - https://www.fireeye.com/blog/threat-research/2019/01/bypassing-network-restrictions-through-rdp-tunneling.html
author: Thomas Patzke
date: 2019-01-28
modified: 2022-10-09
tags:
    - attack.lateral-movement
    - car.2013-07-002
    - attack.t1021.001
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4624
        LogonType: 10
        IpAddress:
            - '::1'
            - '127.0.0.1'
    condition: selection
falsepositives:
    - Unknown
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 4624
    LogonType: 10
    IpAddress:
        - '::1'
        - '127.0.0.1'

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 4, kusto 1)
  • ::1 corpus 6 (sigma 5, elastic 1)
LogonTypeeq
  • 10 corpus 8 (kusto 4, sigma 3, splunk 1)