Loading threat actor…
GRU Unit 29155 is a Russian military intelligence threat actor associated with the Main Directorate of the General Staff of the Armed Forces of the Russian Federation (GRU). It has long been linked to sabotage and covert action, and public government attributions increasingly identify it as an operational cyber actor as well. Since at least 2020, the unit has been assessed by multiple Western governments and allied agencies as conducting malicious cyber activity in support of espionage, sabotage, reputational harm, and broader hybrid warfare objectives aligned with Russian state interests. The group has been tied to operations against government institutions and critical infrastructure, with reported targeting spanning government, energy, finance, transport, and healthcare sectors. Public reporting and official sanctions have connected Unit 29155 to cyberattacks against Estonian government institutions in 2020 that enabled unauthorized access and theft of sensitive state documents. The unit has also been linked to activity targeting Ukraine and to efforts intended to disrupt international support to Ukraine following Russia’s full-scale invasion. Unit 29155 has been publicly associated with deployment of the WhisperGate wiper against Ukrainian organizations as early as January 2022. Government assessments describe its cyber operations as combining espionage, disruptive activity, and influence effects rather than fitting a purely intelligence-collection role. The unit has also been linked in public reporting to Raspberry Robin-related activity and to the disinformation operation tracked as Storm-1516, indicating a broader operational portfolio that may include access operations, sabotage, and information manipulation. The actor is best understood as part of Russia’s state cyber and hybrid warfare apparatus rather than a conventional financially motivated intrusion set. Its operations are notable for alignment with geopolitical objectives, especially coercion, destabilization, and disruption in Europe and Ukraine. Known aliases in the provided material are limited to Unit 29155 and GRU Unit 29155.
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.
Attributed origin per open-source reporting.
1 distinct technique observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
3 malware families attributed to this actor across reporting.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Russian military intelligence unit linked to cyberattacks, espionage, sabotage, and attacks on critical infrastructure, including operations against Estonian government institutions.
Parallel Russian military cyber-sabotage capability conducting espionage, sabotage, and disruption related to Ukraine and support to Ukraine.
Russian military intelligence unit publicly linked to the Storm-1516 disinformation operation.
Russian military intelligence-linked unit referenced as connected (via Raspberry Robin) to follow-on activity enabled by SocGholish-provided access; described in the content as part of state-sponsored operations targeting critical infrastructure.
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.