URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Submission: On April 09 via api from TR — Scanned from DE

Summary

This website contacted 8 IPs in 2 countries across 4 domains to perform 17 HTTP transactions. The main IP is 52.40.95.94, located in Boardman, United States and belongs to AMAZON-02, US. The main domain is www.helpnetsecurity.com. The Cisco Umbrella rank of the primary domain is 567456.
TLS certificate: Issued by Amazon RSA 2048 M01 on July 16th 2023. Valid for: a year.
This is the only time www.helpnetsecurity.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
7 52.40.95.94 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 18.239.69.72 16509 (AMAZON-02)
1 2600:9000:25e... 16509 (AMAZON-02)
3 2a00:1450:400... 15169 (GOOGLE)
3 108.138.36.113 16509 (AMAZON-02)
1 18.157.122.248 16509 (AMAZON-02)
17 8
Apex Domain
Subdomains
Transfer
11 helpnetsecurity.com
www.helpnetsecurity.com — Cisco Umbrella Rank: 567456
img2.helpnetsecurity.com
img.helpnetsecurity.com
174 KB
3 gstatic.com
fonts.gstatic.com
47 KB
2 matomo.cloud
cdn.matomo.cloud — Cisco Umbrella Rank: 25449
helpnetsecurity.matomo.cloud
40 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 116
1 KB
17 4
Domain Requested by
7 www.helpnetsecurity.com www.helpnetsecurity.com
3 img.helpnetsecurity.com www.helpnetsecurity.com
3 fonts.gstatic.com fonts.googleapis.com
1 helpnetsecurity.matomo.cloud cdn.matomo.cloud
1 cdn.matomo.cloud www.helpnetsecurity.com
1 img2.helpnetsecurity.com www.helpnetsecurity.com
1 fonts.googleapis.com www.helpnetsecurity.com
17 7
Subject Issuer Validity Valid
*.helpnetsecurity.com
Amazon RSA 2048 M01
2023-07-16 -
2024-08-12
a year crt.sh
upload.video.google.com
GTS CA 1C3
2024-03-04 -
2024-05-27
3 months crt.sh
img2.helpnetsecurity.com
Amazon RSA 2048 M01
2023-07-14 -
2024-08-11
a year crt.sh
cdn.matomo.cloud
Amazon RSA 2048 M03
2023-10-27 -
2024-11-23
a year crt.sh
*.gstatic.com
GTS CA 1C3
2024-03-04 -
2024-05-27
3 months crt.sh
img.helpnetsecurity.com
Amazon RSA 2048 M01
2023-07-14 -
2024-08-11
a year crt.sh
*.matomo.cloud
Amazon RSA 2048 M02
2023-06-21 -
2024-07-19
a year crt.sh

This page contains 1 frames:

Primary Page: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Frame ID: 08A8AD4825F9D7066F0751F122C4E3A9
Requests: 19 HTTP requests in this frame

Screenshot

Page Title

XZ Utils backdoor: Detection tools, scripts, rules - Help Net Security

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link rel=["']stylesheet["'] [^>]+/wp-(?:content|includes)/
  • /wp-(?:content|includes)/

Overall confidence: 100%
Detected patterns
  • <!-- This site is optimized with the Yoast (?:WordPress )?SEO plugin v([\d.]+) -

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Page Statistics

17
Requests

100 %
HTTPS

43 %
IPv6

4
Domains

7
Subdomains

8
IPs

2
Countries

263 kB
Transfer

560 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

17 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
71 KB
18 KB
Document
General
Full URL
https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.40.95.94 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-40-95-94.us-west-2.compute.amazonaws.com
Software
Apache/2.4.54 (Debian) / PHP/8.0.27
Resource Hash
d2fd6ade787cb227a647b8647166eea6b61ba734eceb25d9f7103151404c4b57

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
de-DE,de;q=0.9
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

content-encoding
gzip
content-length
18297
content-type
text/html; charset=UTF-8
date
Tue, 09 Apr 2024 14:28:49 GMT
link
<https://www.helpnetsecurity.com/wp-json/>; rel="https://api.w.org/" <https://www.helpnetsecurity.com/wp-json/wp/v2/posts/297172>; rel="alternate"; type="application/json" <https://www.helpnetsecurity.com/?p=297172>; rel=shortlink
server
Apache/2.4.54 (Debian)
vary
Accept-Encoding
x-powered-by
PHP/8.0.27
x-ua-compatible
IE=edge
css
fonts.googleapis.com/
18 KB
1 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Roboto%3A300%2C300i%2C400%2C400i%2C500%2C500i%2C700%2C700i&subset=latin%2Clatin-ext&display=swap
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:802::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
dec36f15ba246cbcc1a584c1753b35ca3ff397859d849a6a7831d091959be3d7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Tue, 09 Apr 2024 14:28:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Tue, 09 Apr 2024 14:28:49 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Tue, 09 Apr 2024 14:28:49 GMT
style.1712659244.css
www.helpnetsecurity.com/wp-content/themes/hns24/
145 KB
17 KB
Stylesheet
General
Full URL
https://www.helpnetsecurity.com/wp-content/themes/hns24/style.1712659244.css?ver=6.4.3
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.40.95.94 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-40-95-94.us-west-2.compute.amazonaws.com
Software
Apache/2.4.54 (Debian) /
Resource Hash
bd6199333391e5f5fb8626954b05c022471fef96112719e70106b66fc309cc26

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 14:28:49 GMT
content-encoding
gzip
last-modified
Tue, 09 Apr 2024 10:40:44 GMT
server
Apache/2.4.54 (Debian)
vary
Accept-Encoding
content-type
text/css; charset=utf-8
accept-ranges
bytes
content-length
17681
backdoor-650.webp
img2.helpnetsecurity.com/posts2024/
49 KB
50 KB
Image
General
Full URL
https://img2.helpnetsecurity.com/posts2024/backdoor-650.webp
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.239.69.72 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-239-69-72.ams58.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
5c86f3fe750dce9241bafb890c8723cfe020de924ed3460b51d50ef34ae5af69

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-amz-version-id
khTvPGZBpZQbcM.UNoQ4ftmMy.wxhaVf
date
Tue, 09 Apr 2024 13:30:23 GMT
via
1.1 0f0656e015969f214cbb02d6f2a23f6a.cloudfront.net (CloudFront)
last-modified
Tue, 02 Apr 2024 15:08:13 GMT
server
AmazonS3
x-amz-cf-pop
AMS58-P4
age
3964
x-amz-server-side-encryption
AES256
etag
"953bb9480d988d0d89a52dcb3a9cd45b"
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
image/webp
accept-ranges
bytes
content-length
50506
x-amz-cf-id
HpOrMjIQA156nX26Cz9qK0R1-A19baJGcjHpTIn4sUdNS_0G1_oFaw==
ads.dist.js
www.helpnetsecurity.com/wp-content/themes/hns24/assets/js/
236 B
387 B
Script
General
Full URL
https://www.helpnetsecurity.com/wp-content/themes/hns24/assets/js/ads.dist.js?ver=6.4.3
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.40.95.94 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-40-95-94.us-west-2.compute.amazonaws.com
Software
Apache/2.4.54 (Debian) /
Resource Hash
166432cf26cb865bf0f1fbf25501d16871d19686bc018d426e59c23ffd8087b6

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 14:28:49 GMT
content-encoding
gzip
last-modified
Tue, 09 Apr 2024 10:40:54 GMT
server
Apache/2.4.54 (Debian)
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
accept-ranges
bytes
content-length
192
forms.js
www.helpnetsecurity.com/wp-content/plugins/mailchimp-for-wp/assets/js/
6 KB
3 KB
Script
General
Full URL
https://www.helpnetsecurity.com/wp-content/plugins/mailchimp-for-wp/assets/js/forms.js?ver=4.9.11
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.40.95.94 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-40-95-94.us-west-2.compute.amazonaws.com
Software
Apache/2.4.54 (Debian) /
Resource Hash
868a854b080d150aa6cc1a87d0d1b04cd8170e1bd891f93b610cd940d7a73108

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 14:28:49 GMT
content-encoding
gzip
last-modified
Tue, 09 Apr 2024 10:40:46 GMT
server
Apache/2.4.54 (Debian)
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
accept-ranges
bytes
content-length
2617
ajax-forms.js
www.helpnetsecurity.com/wp-content/plugins/mc4wp-premium/ajax-forms/assets/js/
3 KB
2 KB
Script
General
Full URL
https://www.helpnetsecurity.com/wp-content/plugins/mc4wp-premium/ajax-forms/assets/js/ajax-forms.js?ver=4.10.0
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.40.95.94 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-40-95-94.us-west-2.compute.amazonaws.com
Software
Apache/2.4.54 (Debian) /
Resource Hash
77e309bea37f3a1b822f94c9b20d5ae0533a24c3446da5686396e4f5518fd700

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 14:28:49 GMT
content-encoding
gzip
last-modified
Tue, 09 Apr 2024 10:40:54 GMT
server
Apache/2.4.54 (Debian)
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
accept-ranges
bytes
content-length
1531
matomo.js
cdn.matomo.cloud/helpnetsecurity.matomo.cloud/
134 KB
40 KB
Script
General
Full URL
https://cdn.matomo.cloud/helpnetsecurity.matomo.cloud/matomo.js
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:25e8:de00:c:7d55:b3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
CloudFront /
Resource Hash
c47da13439f99ce48353b584eab5470b9c9cf6371d532e1f614cb89c9be58c5a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 12:05:38 GMT
x-amz-version-id
5Jd8mRAwboVCoTZ_MrjyAI7txujxsm1C
content-encoding
gzip
strict-transport-security
max-age=31536000
via
1.1 eda2686dad6c190a4b0f18db47e39f0a.cloudfront.net (CloudFront)
x-amz-cf-pop
AMS1-P3
age
8592
x-cache
Hit from cloudfront
x-amz-replication-status
COMPLETED
last-modified
Thu, 21 Mar 2024 00:29:20 GMT
server
CloudFront
etag
W/"441a4f7594d5c2da828d7a5349f9a863"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
cache-control
max-age=691200
x-amz-cf-id
paGAfYU0QjFBdPZ7tPCMYI4d9Q6EgX-AZGMewFJ6dGuB-UXT8EKXgQ==
truncated
/
448 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
9c34cb6a9452fb85aae9261facc001e5ddabbc244205164b7cb2d02a41ce7e57

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

Content-Type
image/svg+xml
truncated
/
1 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
b3c2c0e3acf8a32716c89a22025aba9047be34cd2fe7a1316c17c0a2a8753d17

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

Content-Type
image/svg+xml
KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v30/
15 KB
15 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOmCnqEu92Fr1Mu4mxK.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Roboto%3A300%2C300i%2C400%2C400i%2C500%2C500i%2C700%2C700i&subset=latin%2Clatin-ext&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
f6734f8177112c0839b961f96d813fcb189d81b60e96c33278c1983b6f419615
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://fonts.googleapis.com/
Origin
https://www.helpnetsecurity.com
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 04:10:19 GMT
x-content-type-options
nosniff
age
37110
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15744
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:48 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 09 Apr 2025 04:10:19 GMT
KFOlCnqEu92Fr1MmWUlfBBc4.woff2
fonts.gstatic.com/s/roboto/v30/
15 KB
16 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOlCnqEu92Fr1MmWUlfBBc4.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Roboto%3A300%2C300i%2C400%2C400i%2C500%2C500i%2C700%2C700i&subset=latin%2Clatin-ext&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
f5aebdfea35d1e7656ef4acc5db1f243209755ae3300943ef8fc6280f363c860
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://fonts.googleapis.com/
Origin
https://www.helpnetsecurity.com
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 06 Apr 2024 07:26:17 GMT
x-content-type-options
nosniff
age
284552
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15860
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:42 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 06 Apr 2025 07:26:17 GMT
KFOlCnqEu92Fr1MmSU5fBBc4.woff2
fonts.gstatic.com/s/roboto/v30/
15 KB
15 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOlCnqEu92Fr1MmSU5fBBc4.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Roboto%3A300%2C300i%2C400%2C400i%2C500%2C500i%2C700%2C700i&subset=latin%2Clatin-ext&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
f75911313e1c7802c23345ab57e754d87801581706780c993fb23ff4e0fe62ef
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://fonts.googleapis.com/
Origin
https://www.helpnetsecurity.com
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 06 Apr 2024 06:51:33 GMT
x-content-type-options
nosniff
age
286636
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15740
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:56 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 06 Apr 2025 06:51:33 GMT
zeljka-200-100x100.jpg
img.helpnetsecurity.com/wp-content/uploads/2023/09/06112548/
3 KB
3 KB
Image
General
Full URL
https://img.helpnetsecurity.com/wp-content/uploads/2023/09/06112548/zeljka-200-100x100.jpg
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
108.138.36.113 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-108-138-36-113.muc50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
f699f824214b10be5d5ae0db7d8e05b0f4ccbc0998c0bd04777afff7a8e3354d

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 06 Sep 2023 09:25:50 GMT
x-amz-version-id
RR2ohXYS1QJXWyGP.VwfqEh8qw5za06X
via
1.1 c7e33a86531bfe239a9c43428fc5c122.cloudfront.net (CloudFront)
last-modified
Wed, 06 Sep 2023 09:25:49 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
18680580
etag
"2ded8817ae047a72de02708b19b208d9"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
image/jpeg
cache-control
max-age=31536000
accept-ranges
bytes
content-length
3094
x-amz-cf-id
cCbk9PXGwzGcuJSBPPb2Vz6GN4ZBapJRzHBIKkva4OR8yNqSiSckNg==
matomo.php
helpnetsecurity.matomo.cloud/
0
175 B
Ping
General
Full URL
https://helpnetsecurity.matomo.cloud/matomo.php?action_name=XZ%20Utils%20backdoor%3A%20Detection%20tools%2C%20scripts%2C%20rules%20-%20Help%20Net%20Security&idsite=1&rec=1&r=504686&h=16&m=28&s=49&url=https%3A%2F%2Fwww.helpnetsecurity.com%2F2024%2F04%2F08%2Fdetect-xz-backdoor%2F&_id=&_idn=1&send_image=0&_refts=0&pv_id=r7ls5G&fa_pv=1&fa_fp[0][fa_vid]=6VBa6u&fa_fp[0][fa_id]=mc4wp-form-1&fa_fp[0][fa_fv]=1&pf_net=399&pf_srv=495&pf_tfr=1&pf_dm1=218&uadata=%7B%22fullVersionList%22%3A%5B%7B%22brand%22%3A%22Google%20Chrome%22%2C%22version%22%3A%22123.0.6312.105%22%7D%2C%7B%22brand%22%3A%22Not%3AA-Brand%22%2C%22version%22%3A%228.0.0.0%22%7D%2C%7B%22brand%22%3A%22Chromium%22%2C%22version%22%3A%22123.0.6312.105%22%7D%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22Win32%22%2C%22platformVersion%22%3A%2210.0.0%22%7D&pdf=1&qt=0&realp=0&wma=0&fla=0&java=0&ag=0&cookie=1&res=800x600
Requested by
Host: cdn.matomo.cloud
URL: https://cdn.matomo.cloud/helpnetsecurity.matomo.cloud/matomo.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.157.122.248 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-18-157-122-248.eu-central-1.compute.amazonaws.com
Software
Apache /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.helpnetsecurity.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=utf-8

Response headers

access-control-allow-origin
https://www.helpnetsecurity.com
date
Tue, 09 Apr 2024 14:28:49 GMT
access-control-allow-credentials
true
server
Apache
vary
X-Forwarded-Port-Override,X-Forwarded-Proto-Override,User-Agent
admin-ajax.php
www.helpnetsecurity.com/wp-admin/
2 KB
1 KB
Fetch
General
Full URL
https://www.helpnetsecurity.com/wp-admin/admin-ajax.php
Requested by
Host: www.helpnetsecurity.com
URL: https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.40.95.94 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-40-95-94.us-west-2.compute.amazonaws.com
Software
Apache/2.4.54 (Debian) / PHP/8.0.27
Resource Hash
8f9499e6644160067140c6703ae97fdd87480a8dedfc8b2d90ff79470a517858
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Content-Type
multipart/form-data; boundary=----WebKitFormBoundaryWmJBEfqd5SMlCLK8

Response headers

cf-edge-cache
no-cache
date
Tue, 09 Apr 2024 14:28:50 GMT
content-encoding
gzip
x-content-type-options
nosniff
x-powered-by
PHP/8.0.27
content-length
879
x-ua-compatible
IE=edge
referrer-policy
strict-origin-when-cross-origin
server
Apache/2.4.54 (Debian)
x-frame-options
SAMEORIGIN
vary
Accept-Encoding
content-type
text/html; charset=UTF-8
access-control-allow-origin
https://www.helpnetsecurity.com
cache-control
no-cache, must-revalidate, max-age=0
access-control-allow-credentials
true
x-robots-tag
noindex
expires
Wed, 11 Jan 1984 05:00:00 GMT
icon.svg
www.helpnetsecurity.com/wp-content/themes/hns24/
2 KB
1 KB
Other
General
Full URL
https://www.helpnetsecurity.com/wp-content/themes/hns24/icon.svg
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.40.95.94 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-40-95-94.us-west-2.compute.amazonaws.com
Software
Apache/2.4.54 (Debian) /
Resource Hash
8b5b1ebe6c0e785360a7cd5f209660b2d929065cd2a3dee86ff594f441926dde

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/2024/04/08/detect-xz-backdoor/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 14:28:50 GMT
content-encoding
gzip
last-modified
Tue, 09 Apr 2024 10:40:44 GMT
server
Apache/2.4.54 (Debian)
vary
Accept-Encoding
content-type
image/svg+xml
accept-ranges
bytes
content-length
844
cis_l-scaled.webp
img.helpnetsecurity.com/wp-content/uploads/2024/04/01173814/
54 KB
54 KB
Image
General
Full URL
https://img.helpnetsecurity.com/wp-content/uploads/2024/04/01173814/cis_l-scaled.webp
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
108.138.36.113 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-108-138-36-113.muc50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
316f57721578b9fb37d3789fa29336b1bd58a4f3aedcf72710e6cdd4e6316ecf

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 01 Apr 2024 15:42:46 GMT
x-amz-version-id
0TK6Mgj7JXSzeOoWM7LBG14foyRaexrG
via
1.1 c7e33a86531bfe239a9c43428fc5c122.cloudfront.net (CloudFront)
last-modified
Mon, 01 Apr 2024 15:38:15 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
686764
etag
"977ae558e14610052e8b2a5af5fb1b59"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes
content-length
54956
x-amz-cf-id
WLaamsLOVjheYul4WLemoNlhsXkkA91grgcSZ1TaZ87P5T7GXupVyw==
hns-newsletter.webp
img.helpnetsecurity.com/wp-content/uploads/2024/03/21141225/
24 KB
24 KB
Image
General
Full URL
https://img.helpnetsecurity.com/wp-content/uploads/2024/03/21141225/hns-newsletter.webp
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
108.138.36.113 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-108-138-36-113.muc50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
62cca0e064a825498f1b2540b34670c7bc84d1d9903e11a9cf669ba6dc729ec9

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.helpnetsecurity.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 21 Mar 2024 13:12:37 GMT
x-amz-version-id
Qpam4cKpmEsJ9xeollG_sUxtcop8GS8R
via
1.1 c7e33a86531bfe239a9c43428fc5c122.cloudfront.net (CloudFront)
last-modified
Thu, 21 Mar 2024 13:12:26 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
1646174
etag
"ceea327162944c05ce5b98d8ffa559d2"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
image/webp
cache-control
max-age=31536000
accept-ranges
bytes
content-length
24192
x-amz-cf-id
3BblXj-KYE9MIaNbqz2gpiM9iZUmZQK4YI9zs3iE304uweQrpAf4_A==

Verdicts & Comments Add Verdict or Comment

10 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.

object| _paq object| mc4wp object| hns23Ajax object| hns23Params object| mc4wp_ajax_vars object| Piwik object| Matomo object| matomoAbTestingCampaignUrlParamList object| AnalyticsTracker function| piwik_log

1 Cookies

Domain/Path Name / Value
.helpnetsecurity.com/ Name: SSESS4decf0f010bae5a263354c26060a9ea3
Value: re3b8bmlcohgv7ir478ktm6c0s

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

cdn.matomo.cloud
fonts.googleapis.com
fonts.gstatic.com
helpnetsecurity.matomo.cloud
img.helpnetsecurity.com
img2.helpnetsecurity.com
www.helpnetsecurity.com
108.138.36.113
18.157.122.248
18.239.69.72
2600:9000:25e8:de00:c:7d55:b3c0:93a1
2a00:1450:4001:802::200a
2a00:1450:4001:82b::2003
52.40.95.94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