Incident

Asnarok

incident:asnarok

Initial widespread attack against internet-facing Sophos Firewalls, affecting a reported tens of thousands of devices.

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Mentioned in

Relationships

Direction Predicate Other entity Origin EP
outgoing INITIAL_ACCESS_VIA SQL injection Derived 174
outgoing INVOLVES Asnarok Explicit 174
outgoing INVOLVES Sophos XG Firewall Explicit 174
outgoing INVOLVES sophosfirewallupdate.com Explicit 174
outgoing INVOLVES sophosproductupdate.com Explicit 174
outgoing INVOLVES National Cyber Security Centre Netherlands Explicit 174
outgoing INVOLVES Dutch National High Tech Crime Unit Explicit 174
incoming INVOLVES Pacific Rim Campaign Explicit 174

Claims

Asnarok INITIAL_ACCESS_VIA SQL injection

The Asnarok incident initially gained access through the SQL injection vulnerability in the firewall's web UI.

Derived Confidence 96% · Jack Rhysider EP 174 Details

“an attacker could enter in some commands there which would glitch out the user input handling mechanism of the firewall and allow the attacker to inject their own commands into the database”

Jack Rhysider · offsets 9589–9778

Asnarok INVOLVES Asnarok

The incident was named Asnarok by the Sophos team.

Explicit Confidence 99% · Craig Jones EP 174 Details

“We called it Asnarok”

Craig Jones · offsets 9203–9223

Asnarok INVOLVES Sophos XG Firewall

The Asnarok attack affected publicly exposed Sophos XG Firewalls; the episode says a very large number of devices were compromised.

Explicit Confidence 98% · Andrew Brandt EP 174 Details

“essentially every firewall that was facing the public internet was affected by this bug”

Andrew Brandt · offsets 10070–10157

Asnarok INVOLVES sophosfirewallupdate.com

The attack redirected firewalls to sophosfirewallupdate.com for update retrieval.

Explicit Confidence 99% · Craig Jones EP 174 Details

“it was a wget to a domain called sophosfirewallupdate.com”

Craig Jones · offsets 11004–11061

Asnarok INVOLVES sophosproductupdate.com

The wider attack infrastructure also used sophosproductupdate.com as an update domain.

Explicit Confidence 99% · Andrew Brandt EP 174 Details

“there was sophosfirewallupdate.com and sophosproductupdate.com”

Andrew Brandt · offsets 34932–34994

Asnarok INVOLVES National Cyber Security Centre Netherlands

The Netherlands NCSC helped coordinate the response to the threat actor's server.

Explicit Confidence 98% · Craig Jones EP 174 Details

“through the NCSC in the Netherlands — they were kinda an intermediary”

Craig Jones · offsets 36111–36180

Asnarok INVOLVES Dutch National High Tech Crime Unit

The Dutch National High-Tech Crime Unit obtained and enabled analysis of the threat actor's C2 server.

Explicit Confidence 99% · Craig Jones EP 174 Details

“the Dutch National High-Tech Crime Unit just jumped on this, and they managed to get hold of this C2 server”

Craig Jones · offsets 36273–36380

Pacific Rim Campaign INVOLVES Asnarok

Asnarok was one of the incidents in the broader Pacific Rim Campaign.

Explicit Confidence 99% · Jack Rhysider EP 174 Details

“they called this whole series of incidents the Pacific Rim Campaign”