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Ghostwriter, also tracked as UNC1151, is a Belarus-attributed threat actor associated with phishing and account-compromise activity. The actor has been observed targeting Polish users, including accounts on webmail and social media platforms. A documented tradecraft element is the use of browser-based credential phishing, including the Browser-in-the-Browser technique, to impersonate legitimate authentication workflows and steal user credentials. Based on the available reporting, Ghostwriter/UNC1151’s activity in this context aligns with credential-focused intrusion operations rather than ransomware or disruptive attacks.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Geographies tied to known operations.
Attributed origin per open-source reporting.
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.