漏洞描述
Detects a persistent webshell named 'spinstall0.aspx' deployed on Microsoft SharePoint servers. This file exposes sensitive cryptographic machineKey values from the SharePoint configuration, indicating the presence of a ToolShell backdoor implant. This implant is linked to targeted post-auth RCE campaigns exploiting CVE-2025-53770.
影响产品
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。