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Detection rules › Sigma

Scanner PoC for CVE-2019-0708 RDP RCE Vuln

Status
test
Severity
high
Log source
product windows, service security
Author
Florian Roth (Nextron Systems), Adam Bradbury (idea)
Source
github.com/SigmaHQ/sigma

Detects the use of a scanner by zerosum0x0 that discovers targets vulnerable to CVE-2019-0708 RDP RCE aka BlueKeep

Known false positives

  • Unlikely

MITRE ATT&CK coverage

TacticTechniques
Lateral Movement

Telemetry coverage

ProviderRecord / event type
Security-AuditingEvent ID 4625: An account failed to log on.

Rule body

title: Scanner PoC for CVE-2019-0708 RDP RCE Vuln
id: 8400629e-79a9-4737-b387-5db940ab2367
status: test
description: Detects the use of a scanner by zerosum0x0 that discovers targets vulnerable to  CVE-2019-0708 RDP RCE aka BlueKeep
references:
    - https://twitter.com/AdamTheAnalyst/status/1134394070045003776
    - https://web.archive.org/web/20190710034152/https://github.com/zerosum0x0/CVE-2019-0708
author: Florian Roth (Nextron Systems), Adam Bradbury (idea)
date: 2019-06-02
modified: 2022-12-25
tags:
    - attack.lateral-movement
    - attack.t1210
    - car.2013-07-002
    - detection.emerging-threats
    - cve.2019-0708
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4625
        TargetUserName: AAAAAAA
    condition: selection
falsepositives:
    - Unlikely
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 4625
    TargetUserName: AAAAAAA

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
TargetUserNameeq
  • AAAAAAA
field:"TargetUserName" kind:eq value:"AAAAAAA"