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HydroRShell is a custom backdoor associated with the China-aligned threat actor DigitalRecyclers. According to the provided reporting, DigitalRecyclers targeted EU governmental entities and used the KMA VPN anonymization network while deploying HydroRShell alongside the RClient and GiftBox backdoors. The available content identifies HydroRShell as part of espionage-focused activity against government targets in Europe. No additional high-confidence technical details on HydroRShell’s capabilities, infection vector, persistence mechanisms, command-and-control protocol, or indicators of compromise are provided in the source content.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Backdoor malware used by DigitalRecyclers in attacks on EU governmental entities.
Backdoor used for remote access and post-compromise activity.
A custom backdoor used by DigitalRecyclers APT for espionage against European government and maritime sectors.
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.