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Rainbow Hyena is an unidentified hacktivist threat actor associated with phishing campaigns targeting organizations in Russia, particularly in the health care and information technology sectors. The group has been observed delivering a custom C++ backdoor known as PhantomRemote through malicious email attachments. Reported tradecraft includes phishing-based initial access and the use of the legitimate tunneling service ngrok as part of its operational infrastructure, consistent with abuse of legitimate services for command-and-control or remote access facilitation. Public reporting currently supports characterization of Rainbow Hyena as a Russia-targeting intrusion set, but attribution beyond that remains unconfirmed.
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.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
11 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 malware family attributed to this actor across reporting.
9 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Relies on tunneling utilities, specifically ngrok, as part of its operations.
Targets Russian healthcare and IT sectors with phishing emails delivering a custom backdoor (PhantomRemote).
Rainbow Hyena is a hacktivist group targeting Russian healthcare and IT organizations with phishing campaigns.
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.