Threat actor
DSIRF
Last fetched
DSIRF is a threat actor tracked in WhisperGraph's MITRE ATT&CK corpus, observed using 0 techniques.
Description
The spyware developer, officially named DSIRF (Decision Supporting Information Research and Forensic), and operating under the codename KNOTWEED, created the spyware Subzero, which was used to target law firms, banks, and consultancy firms in the UK, Austria, and Panama. According to Microsoft's Threat Intelligence Center (MSTIC), DSIRF employed various exploits to compromise systems, including a zero-day privilege escalation exploit for Windows and a remote code execution attack via Adobe Reader. Former Austrian Chancellor Sebastian Kurz has close business ties to DSIRF, as well as ties to the founder of the NSO Group, Shalev Hulio, whom he co-founded Dream Security with.
Techniques by tactic
No ATT&CK techniques are recorded for DSIRF in WhisperGraph.
Attributed infrastructure
None published. WhisperGraph carries no ATTRIBUTED_TO edge to DSIRF today — this states the absence of a published link, not that DSIRF has no infrastructure.
References
- https://www.vindobona.org/article/austrias-connection-to-pegasus-spyware
- https://www.theverge.com/2022/7/27/23281215/microsoft-austrian-commercial-spyware-dsirf-knotweed-intelligence-committee
- https://arstechnica.com/information-technology/2022/07/microsoft-says-0-days-sold-by-austrian-firm-were-used-to-hack-customers/
- https://www.reuters.com/technology/austrian-spy-firm-accused-by-microsoft-says-hacking-tool-was-eu-states-2022-07-29/
- https://www.techtarget.com/searchsecurity/news/252523293/Microsoft-Austrian-company-DSIRF-selling-Subzero-malware
© The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.
Related pages
Pivot from DSIRF into its techniques, tactics and any attributed infrastructure.
Queries
Resolves the slug to this actor, merging every duplicate node sharing the same name.
MATCH (a:ACTOR)
WHERE a.name =~ $pattern OR any(x IN a.aliases WHERE x =~ $pattern)
RETURN a.id AS id, a.name AS name, a.aliases AS aliases, a.description AS description,
a.references AS references, a.campaigns AS campaigns
LIMIT 25Techniques this actor uses, grouped by the tactic each one serves.
MATCH (a:ACTOR {name: $name})-[:USES_TECHNIQUE]->(t:ATTACK_PATTERN)
OPTIONAL MATCH (t)-[:USES_TACTIC]->(tac:ATTACK_PATTERN)
RETURN t.id AS techniqueId, t.name AS techniqueName, tac.id AS tacticId, tac.name AS tacticName
LIMIT 1000Infrastructure publicly attributed to this actor.
MATCH (n)-[:ATTRIBUTED_TO]->(a:ACTOR {name: $name})
RETURN labels(n)[0] AS kind, n.name AS name
LIMIT 25Or query Whisper from your own LLM workflow via the Whisper MCP server.