Shadow-Earth-053
SHADOW-EARTH-053 is a China-aligned threat group exploiting unpatched Microsoft Exchange Server vulnerabilities, specifically CVE-2021-26855, to conduct cyberespionage against government and defense-linked targets across Asia and Europe. The group primarily deploys ShadowPad malware, utilizing techniques such as credential dumping, tunneling tools, and lateral movement via WMIC. They have also been observed installing web shells for persistence and leveraging a custom ExchangeExport tool to extract high-value mailbox contents. Additionally, low-confidence associations with Noodle RAT and CVE-2025-55182 have been noted in their operations.
CVEs in recent coverage
No CVEs named alongside this actor in the last 90 days.
Recent victims
No leak-site posts on record for this group.
Recent activity
No posts or advisories have named this actor recently.
References
From the MISP threat-actor galaxy, MITRE ATT&CK and RansomLook (CC BY 4.0). Activity is any post or advisory Watch Floor collected that names the actor or one of its aliases.