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Solonnik is a cybercriminal persona observed reposting and distributing allegedly stolen account-related data on BreachForums. The actor has been associated with publishing a large dataset purportedly tied to Instagram users and offering it for free on a criminal marketplace forum. Available reporting supports characterization of Solonnik as a data-leak and cybercrime actor involved in dissemination of compromised information rather than as a clearly attributed nation-state group. High-confidence information in the available record is limited to the actor’s use of a forum identity to publish exposed data; there is insufficient corroborated evidence to attribute broader tooling, intrusion tradecraft, organizational structure, or sub-groups. The activity is consistent with financially motivated cybercrime and supports capabilities related to exfiltration-linked data handling and post-exploitation distribution of stolen information.
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.