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Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
1 CVE Mallory has correlated with this family across public research and vendor advisories. Each row links to the full Mallory page for that vulnerability.
Mandiant identified evidence that ARMORY CASTLE, a suspected PRC-nexus espionage threat actor formerly tracked as UNC5221, exploited CVE-2026-102764 as a zero-day in late August 2026. The vulnerability affects BeyondTrust Remote Support appliances and permits arbitrary file uploads.
2 distinct threat actors attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
The threat actor used newly identified custom malware, the SAWFLY webshell and the BARECLAW tunneler to interact with the BeyondTrust device.
The threat actor used newly identified custom malware, the SAWFLY webshell and the BARECLAW tunneler to interact with the BeyondTrust device.
1 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.