Loading threat actor…
LuoYu is a China-aligned cyber espionage threat actor associated with adversary-in-the-middle operations and long-running use of custom backdoors and shared Chinese intrusion tooling. The group is publicly linked to malware families including WinDealer, ReverseWindow, DinodasRAT (also known as XDealer), ShadowPad, and PlugX. LuoYu is also grouped with other PRC-linked actors that have demonstrated AitM capability, alongside clusters such as Evasive Panda and LittleBear. LuoYu is notable for operations that abuse network-position advantages or proxy infrastructure to deliver malware and support covert command-and-control. The actor has been associated with ReverseWindow activity and with DinodasRAT/XDealer, a cross-platform backdoor family with Windows and Linux variants that supports extensive remote administration, command execution, file operations, process and service control, proxying, reverse shell access, persistence, and artifact hiding on Linux through a filter module that suppresses selected command output. LuoYu-linked activity has also overlapped with ShadowPad infrastructure, reinforcing its placement within the broader Chinese espionage ecosystem. Observed tradecraft includes use of AitM-style delivery mechanisms, covert C2 infrastructure, persistence, post-exploitation tooling, and proxying through compromised edge or SOHO devices. LuoYu has been cited as an example of an advanced actor leveraging compromised SOHO devices as proxy infrastructure. The actor’s tooling and infrastructure patterns are consistent with intelligence collection rather than financially motivated crime.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Attributed origin per open-source reporting.
3 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
7 malware families attributed to this actor across reporting.
2 additional families tracked in Mallory.
2 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Advanced threat actor referenced as compromising SOHO devices and using them as proxying infrastructure for stealth/deniable operations.
Referenced as another Chinese threat actor previously observed using DinodasRAT/XDealer.
Chinese-origin threat actor referenced for its association with XDealer and prior use of WinDealer and ReverseWindow malware families.
Referenced as the PRC-linked threat actor associated with ReverseWindow malware communicating with a ShadowPad C2 IP.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.