AttackIQ has released a new attack graph that emulates the behaviors exhibited by Warlock ransomware, which emerged in June 2025. Beginning in July, Warlock operators have primarily targeted internet-exposed, unpatched on-premises Microsoft SharePoint servers, exploiting a set of recently disclosed zero-day vulnerabilities, specifically CVE-2025-49704, CVE-2025-49706, CVE-2025-53770, and CVE-2025-53771, collectively referred to as the "ToolShell" exploit chain.