hello-world-muddy-bonus-a86d.brenboese.workers.dev Open in urlscan Pro
104.21.89.235  Malicious Activity! Public Scan

URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
Submission: On March 09 via manual from HU — Scanned from AU

Summary

This website contacted 5 IPs in 2 countries across 4 domains to perform 6 HTTP transactions. The main IP is 104.21.89.235, located in and belongs to CLOUDFLARENET, US. The main domain is hello-world-muddy-bonus-a86d.brenboese.workers.dev.
TLS certificate: Issued by GTS CA 1P5 on February 8th 2024. Valid for: 3 months.
This is the only time hello-world-muddy-bonus-a86d.brenboese.workers.dev was scanned on urlscan.io!

urlscan.io Verdict: Potentially Malicious

Targeting these brands: Microsoft (Consumer)

Domain & IP information

IP Address AS Autonomous System
1 104.21.89.235 13335 (CLOUDFLAR...)
3 142.250.204.10 15169 (GOOGLE)
1 104.17.25.14 13335 (CLOUDFLAR...)
1 151.101.129.229 54113 (FASTLY)
6 5
Apex Domain
Subdomains
Transfer
3 googleapis.com
ajax.googleapis.com — Cisco Umbrella Rank: 368
93 KB
1 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 310
3 KB
1 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 228
27 KB
1 workers.dev
hello-world-muddy-bonus-a86d.brenboese.workers.dev
304 KB
6 4
Domain Requested by
3 ajax.googleapis.com hello-world-muddy-bonus-a86d.brenboese.workers.dev
1 cdn.jsdelivr.net hello-world-muddy-bonus-a86d.brenboese.workers.dev
1 cdnjs.cloudflare.com hello-world-muddy-bonus-a86d.brenboese.workers.dev
1 hello-world-muddy-bonus-a86d.brenboese.workers.dev
6 4

This site contains no links.

Subject Issuer Validity Valid
brenboese.workers.dev
GTS CA 1P5
2024-02-08 -
2024-05-08
3 months crt.sh
upload.video.google.com
GTS CA 1C3
2024-02-19 -
2024-05-13
3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2023-07-03 -
2024-07-02
a year crt.sh
jsdelivr.net
GlobalSign Atlas R3 DV TLS CA 2023 Q3
2023-09-27 -
2024-10-28
a year crt.sh

This page contains 1 frames:

Primary Page: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
Frame ID: 8DA247147BB84B5B7143D8C9FFCD7660
Requests: 12 HTTP requests in this frame

Screenshot

Page Title

Sign in to your account

Detected technologies

Overall confidence: 100%
Detected patterns
  • /([\d.]+)/jquery(?:\.min)?\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Page Statistics

6
Requests

100 %
HTTPS

0 %
IPv6

4
Domains

4
Subdomains

5
IPs

2
Countries

427 kB
Transfer

1196 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
hello-world-muddy-bonus-a86d.brenboese.workers.dev/
552 KB
304 KB
Document
General
Full URL
https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.21.89.235 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0db3eaa92b340c0eb4080a52d6719b021526e561423da136cae6beb012befe9e

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
accept-language
en-AU,en;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400
cf-ray
861ca30bfbb75d31-SYD
content-encoding
br
content-type
text/html;charset=UTF-8
date
Sat, 09 Mar 2024 17:03:10 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=%2BW7Hhean7EDLzX016dFSDPj0cvFlrkrI0bvnSS%2FvoZqYYM6Elc2LFuptV9xzJibnuoJMhEWKiihlHN5a1Go2kRLsJayC257wcXjiOcR%2BdvupNVAEuIi%2Bej%2FgtkxPMxu00ikeCYdba2%2BNMCp9RD%2F3Tqz9w9V%2B6C%2BIN9Ke3CE3DYSB5DU2Jg%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/3.2.1/
85 KB
30 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
Requested by
Host: hello-world-muddy-bonus-a86d.brenboese.workers.dev
URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.204.10 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
syd09s25-in-f10.1e100.net
Software
sffe /
Resource Hash
87083882cc6015984eb0411a99d3981817f5dc5c90ba24f0940420c5548d82de
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
accept-language
en-AU,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Intervention
<https://www.chromestatus.com/feature/5718547946799104>; level="warning"

Response headers

date
Fri, 08 Mar 2024 03:36:44 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
134786
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
30306
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 19:15:00 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="hosted-libraries-pushers"
vary
Accept-Encoding
report-to
{"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Sat, 08 Mar 2025 03:36:44 GMT
jquery.min.js
cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/
84 KB
27 KB
Script
General
Full URL
https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js
Requested by
Host: hello-world-muddy-bonus-a86d.brenboese.workers.dev
URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.17.25.14 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
05b85d96f41fff14d8f608dad03ab71e2c1017c2da0914d7c59291bad7a54f8e
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
accept-language
en-AU,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Intervention
<https://www.chromestatus.com/feature/5718547946799104>; level="warning"

Response headers

date
Sat, 09 Mar 2024 17:03:11 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
157514
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
26909
last-modified
Mon, 04 May 2020 16:11:48 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03ec4-14e4a"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=uUrRKQaUgkfVyWa9PLc2Lb42KtFGA9U72XEDamBDkXnE5uD6gmtOJ9Zv8ptqd2mNFS4xQooHMyYx2vU5N1Utur05HXTGT7lWOQJtZQihxJfGYgMirE1vLyHLweMW4zcl5kmUn1fG"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
861ca30e8cb15593-SYD
expires
Thu, 27 Feb 2025 17:03:11 GMT
bundle.dev.js
cdn.jsdelivr.net/gh/joeymalvinni/webrtc-ip/dist/
11 KB
3 KB
Script
General
Full URL
https://cdn.jsdelivr.net/gh/joeymalvinni/webrtc-ip/dist/bundle.dev.js
Requested by
Host: hello-world-muddy-bonus-a86d.brenboese.workers.dev
URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.129.229 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
e532094e51493a4b86e1893bcebfd2b9527383d79b6bc413a1b7c85959dc3390
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
accept-language
en-AU,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Intervention
<https://www.chromestatus.com/feature/5718547946799104>; level="warning"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Sat, 09 Mar 2024 17:03:11 GMT
x-content-type-options
nosniff
content-encoding
br
age
1603
x-jsd-version
3.5.4
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
2966
x-served-by
cache-fra-eddf8230068-FRA, cache-bne12529-BNE
x-jsd-version-type
version
etag
W/"2b53-cTrIKWflTtJEr7Be4PTsLRw4zJY"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/1.9.1/
90 KB
33 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
Requested by
Host: hello-world-muddy-bonus-a86d.brenboese.workers.dev
URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.204.10 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
syd09s25-in-f10.1e100.net
Software
sffe /
Resource Hash
c12f6098e641aaca96c60215800f18f5671039aecf812217fab3c0d152f6adb4
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
accept-language
en-AU,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Intervention
<https://www.chromestatus.com/feature/5718547946799104>; level="warning"

Response headers

date
Fri, 08 Mar 2024 03:16:50 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
135980
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
33018
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 19:15:00 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="hosted-libraries-pushers"
vary
Accept-Encoding
report-to
{"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Sat, 08 Mar 2025 03:16:50 GMT
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/3.5.1/
87 KB
30 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js
Requested by
Host: hello-world-muddy-bonus-a86d.brenboese.workers.dev
URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.204.10 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
syd09s25-in-f10.1e100.net
Software
sffe /
Resource Hash
f7f6a5894f1d19ddad6fa392b2ece2c5e578cbf7da4ea805b6885eb6985b6e3d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/
accept-language
en-AU,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Intervention
<https://www.chromestatus.com/feature/5718547946799104>; level="warning"

Response headers

date
Fri, 08 Mar 2024 03:16:03 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
136027
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
31021
x-xss-protection
0
last-modified
Fri, 08 May 2020 07:05:03 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="hosted-libraries-pushers"
vary
Accept-Encoding
report-to
{"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Sat, 08 Mar 2025 03:16:03 GMT
truncated
/
3 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
f89e908280791803bbf1f33b596ff4a2179b355a8e15ad02ebaa2b1da11127ea

Request headers

accept-language
en-AU,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Content-Type
image/jpeg
truncated
/
277 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
211a907de2da0ff4a0e90917ac8054e2f35c351180977550c26e51b4909f2beb

Request headers

accept-language
en-AU,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Content-Type
image/jpeg
truncated
/
2 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
b5d587f6c48a9b22bbe97150249e0c0655ac1780bd273431480a22f8a5bfef6c

Request headers

accept-language
en-AU,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Content-Type
image/png
truncated
/
4 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
a8de8263d0bd284cfb11d29fcb41a85e7a49531dd284db16cb7c43e225d75077

Request headers

accept-language
en-AU,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Content-Type
image/svg+xml
truncated
/
2 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
47086ff7ee142551231d14b8fe48a3879d459feec01740752c640755c9ec22e4

Request headers

accept-language
en-AU,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Content-Type
image/svg+xml
truncated
/
556 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
ddcd87dc87e16b8e464f5f429917470edb1764ccfbf75ab0767143aced474318

Request headers

accept-language
en-AU,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Content-Type
image/svg+xml

Verdicts & Comments Add Verdict or Comment

Potentially malicious activity detected
Disclaimer: These verdicts should be used to detect potentially malicious websites, not as a final verdict!

urlscan

Phishing against: Microsoft (Consumer)

17 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

string| usertelegram string| tokenTelegram function| $ function| jQuery function| is_ipv4 function| is_ipv6 object| simpleIPRegex function| peer function| publicIPs function| getIPTypes function| getIPv4 function| getIPv6 function| getIPs function| getParameterByName function| ValidateEmail function| myFunction function| myFunction0

0 Cookies

7 Console Messages

Source Level URL
Text
javascript warning URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/(Line 4)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript warning URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/(Line 4)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript warning URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/(Line 4)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript warning URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/(Line 4)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://cdn.jsdelivr.net/gh/joeymalvinni/webrtc-ip/dist/bundle.dev.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript warning URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/(Line 4)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript warning URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/(Line 4)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript warning URL: https://hello-world-muddy-bonus-a86d.brenboese.workers.dev/(Line 4)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.