Incident

Chromecast exploitation incident

incident:chromecast_exploitation_incident Also: Cast hack, Chromecast hack

Mass operation that remotely played a video on approximately 65,000 Chromecasts and renamed thousands of others.

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Mentioned in

Relationships

Direction Predicate Other entity Origin EP
outgoing ATTRIBUTED_TO Hacker Giraffe Explicit 31
outgoing COMPROMISES Chromecast Explicit 31
outgoing INITIAL_ACCESS_VIA Chromecast exposed API Explicit 31
outgoing INVOLVES Google Home Device Explicit 31
outgoing INVOLVES port 8008 Explicit 31
outgoing INVOLVES port 8443 Explicit 31
outgoing INVOLVES port 8009 Explicit 31

Claims

Chromecast exploitation incident ATTRIBUTED_TO Hacker Giraffe

The Chromecast exploitation incident is described as an operation conducted by Hacker Giraffe and User.

Explicit Confidence 99% · Jack Rhysider EP 31 Details

“Him and User had everything ready, the list of 120,000 vulnerable Chromecasts, the video, the script”

Jack Rhysider · offsets 48526–48626

Chromecast exploitation incident COMPROMISES Chromecast

The incident caused Chromecasts to play a video and renamed many devices.

Explicit Confidence 99% · Jack Rhysider EP 31 Details

“he was able to play the video on 65,000 Chromecasts and renamed another 8,000 of them”

Jack Rhysider · offsets 51177–51262

Chromecast exploitation incident INITIAL_ACCESS_VIA Chromecast exposed API

The Chromecast operation used exposed Chromecast APIs and publicly reachable ports.

Explicit Confidence 98% · Hacker Giraffe EP 31 Details

“This API is open. What exactly can we pull from it?”

Hacker Giraffe · offsets 45375–45427

Chromecast exploitation incident INVOLVES Google Home Device

The Shodan results for the Chromecast operation also included Google Home devices with an accessible API.

Explicit Confidence 98% · Jack Rhysider EP 31 Details

“Apparently Google Home Devices were also opening up this port and they had an API, too.”

Jack Rhysider · offsets 47176–47263

Chromecast exploitation incident INVOLVES port 8008

The Chromecast investigation identified port 8008 as an exposed web/API endpoint.

Explicit Confidence 98% · Hacker Giraffe EP 31 Details

“I came across the port 8008 and 8443”

Hacker Giraffe · offsets 45240–45276

Chromecast exploitation incident INVOLVES port 8443

The Chromecast investigation identified port 8443 as the SSO version of port 8008.

Explicit Confidence 98% · Hacker Giraffe EP 31 Details

“port 8008 and 8443 which is basically the SSO version of 8008”

Hacker Giraffe · offsets 45258–45319

Chromecast exploitation incident INVOLVES port 8009

After Google disabled the initial YouTube API method, the operation was modified to use port 8009 and resumed.

Explicit Confidence 99% · Hacker Giraffe EP 31 Details

“I found out another port, port 8009 which uses Google’s own protocol.”