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ReconHellCat, also tracked as Blue Dev 6, is a threat actor observed targeting energy, defense, and government organizations with document-based intrusion activity. The actor has used weaponized documents that rely on remote templates and macros to retrieve and execute follow-on payloads, and has leveraged Cloudflare Workers as command-and-control infrastructure. Reported tradecraft indicates a focus on phishing-style initial access through malicious documents, followed by payload delivery and post-compromise command-and-control. Available information supports targeting consistent with espionage-oriented collection against strategically significant sectors, but public attribution to a specific state or country is not established at high confidence.
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.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.