T1491 Defacement
Adversaries may modify visual content available internally or externally to an enterprise network, thus affecting the integrity of the original content. Reasons for [Defacement](https://attack.mitre.org/techniques/T1491) include delivering messaging, intimidation, or claiming (possibly false) credit for an intrusion. Disturbing or offensive images may be used as a part of…
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Reglas Sigma para cazarla
- Potential Ransomware Activity Using LegalNotice Messagehightest · windows
- Potentially Suspicious Desktop Background Change Using Reg.EXEmediumtest · windows
- Potentially Suspicious Desktop Background Change Via Registrymediumtest · windows
Reglas de SigmaHQ · Detection Rule License 1.1. Técnica de MITRE ATT&CK®.