undici

[[TODO: MAP ONE SENTENCE SUMMARY]]

Category: [[TODO: MAP CATEGORY]] Avg 2.9 req/min Seen on 31 systems 205 observed requests 1 exact variants First seen August 5, 2026 Last seen October 19, 2026

[[TODO: MAP INTRODUCTION PARAGRAPH 1]]

[[TODO: MAP INTRODUCTION PARAGRAPH 2]]

What is undici?

[[TODO: MAP DEFINITION SUMMARY]]

[[TODO: MAP SHORT REFERENCE SUMMARY]]

Analyst summary: [[TODO: MAP ANALYST REPORT SUMMARY]]
User-agent
undici
Observed source IPs
0
Observed requests
205
Source networks
88
Exact variants
1
Latest hit count
385
Latest miss count
7
Latest 404 count
0
Unique paths
34
Related campaigns
[[TODO: MAP RELATED CAMPAIGN COUNT]]

Observed exact user-agent strings

undici First seen August 5, 2026 · Last seen October 19, 2026

Behavior profile

[[TODO: MAP BEHAVIOR PROFILE INTRO]]

Category
[[TODO: MAP CATEGORY]]
Average request rate
2.9 requests per minute
HTTP and HTTPS support
[[TODO: MAP HTTP HTTPS SUPPORT]]
HTTP version support
[[TODO: MAP PROTOCOL SUPPORT SUMMARY]]
Redirect behavior
[[TODO: MAP REDIRECT BEHAVIOR]]
Robots.txt behavior
[[TODO: MAP ROBOTS TXT BEHAVIOR]]
Crawl-rate behavior
[[TODO: MAP CRAWL RATE BEHAVIOR]]
JavaScript execution
[[TODO: MAP JAVASCRIPT SUPPORT]]
Form submission activity
[[TODO: MAP FORM SUBMISSION ACTIVITY]]
Malformed URL requests
[[TODO: MAP MALFORMED URL BEHAVIOR]]
HTTP/1.0: [[TODO: MAP HTTP 1.0 SUPPORT]] HTTP/1.1: [[TODO: MAP HTTP 1.1 SUPPORT]] HTTP/2: [[TODO: MAP HTTP 2 SUPPORT]] HTTP/3: [[TODO: MAP HTTP 3 SUPPORT]] [[TODO: MAP HEADER ORDER FINGERPRINTED]]

Source distribution

[[TODO: MAP SOURCE DISTRIBUTION INTRO]]

Top countries

Country Networks Site sightings Share
United States 47 63 67.3%
Germany 7 7 5.9%
South Korea 3 3 3.9%
Lithuania 3 3 3.4%
Canada 4 4 2.4%
Sweden 2 2 2.0%
India 2 2 2.0%
Thailand 1 1 2.0%
Seychelles 3 3 2.0%
Vietnam 2 2 1.5%

Top ASNs

ASN Organization Networks Share
AS22773 [[TODO: MAP ASN ORGANIZATION]] 6 23.9%
AS16509 [[TODO: MAP ASN ORGANIZATION]] 4 16.1%
AS396982 [[TODO: MAP ASN ORGANIZATION]] 8 4.4%
AS203020 [[TODO: MAP ASN ORGANIZATION]] 9 4.4%
AS47583 [[TODO: MAP ASN ORGANIZATION]] 3 3.4%
AS3320 [[TODO: MAP ASN ORGANIZATION]] 1 2.9%
AS3561 [[TODO: MAP ASN ORGANIZATION]] 2 2.9%
AS13335 [[TODO: MAP ASN ORGANIZATION]] 3 2.9%
AS7922 [[TODO: MAP ASN ORGANIZATION]] 1 2.4%
AS9488 [[TODO: MAP ASN ORGANIZATION]] 1 2.0%

Top datacenters

Provider Type Snapshots Share

Representative source IPs

[[TODO: MAP REPRESENTATIVE IPS INTRO]]

HTTP fingerprint and request characteristics

[[TODO: MAP HTTP FINGERPRINT INTRO]]

Observed header order
[[TODO: MAP HTTP HEADER ORDER SUMMARY]]
Common headers sent
[[TODO: MAP COMMON HEADERS SUMMARY]]
TLS and HTTPS behavior
[[TODO: MAP TLS HTTPS SUMMARY]]
URL normalization behavior
[[TODO: MAP URL NORMALIZATION SUMMARY]]
Malformed request patterns
[[TODO: MAP MALFORMED REQUEST SUMMARY]]
[[TODO: MAP OBSERVED HTTP HEADERS]]

Observed sample requests

[[TODO: MAP SAMPLE REQUESTS INTRO]]

GET
/sitemap.xml
Status pattern: HTTP 200
Seen 1 times, Last seen August 15, 2026
GET
/viwcpf_filter_block-sitemap.xml
Status pattern: HTTP 200
Seen 1 times, Last seen August 15, 2026
GET
/product_cat-sitemap.xml
Status pattern: HTTP 200
Seen 1 times, Last seen August 15, 2026
GET
/page-sitemap.xml
Status pattern: HTTP 200
Seen 1 times, Last seen August 15, 2026
GET
/post-archive-sitemap.xml
Status pattern: HTTP 200
Seen 1 times, Last seen August 15, 2026
GET
/viwcpf_filter_menu-sitemap.xml
Status pattern: HTTP 200
Seen 1 times, Last seen August 15, 2026
GET
/product-sitemap.xml
Status pattern: HTTP 200
Seen 1 times, Last seen August 15, 2026
GET
/sitemap.rss/sitemap.xml
Status pattern: HTTP 404
Seen 1 times, Last seen August 15, 2026
GET
/robots.txt
Status pattern: HTTP 200
Seen 4 times, Last seen August 15, 2026
GET
/
Status pattern: HTTP 200
Seen 1 times, Last seen August 15, 2026
GET
/wp-sitemap.xml
Status pattern: HTTP 200
Seen 5 times, Last seen August 10, 2026
GET
/wp-sitemap-posts-page-1.xml
Status pattern: HTTP 200
Seen 3 times, Last seen August 10, 2026

Related campaigns and associations

[[TODO: MAP RELATED CAMPAIGNS INTRO]]

[[TODO: MAP RELATED CAMPAIGN NAME]]

[[TODO: MAP RELATED CAMPAIGN SUMMARY]]
Related IPs: [[TODO: MAP RELATED CAMPAIGN IP COUNT]], Systems seen: [[TODO: MAP RELATED CAMPAIGN SYSTEMS SEEN]]
Confidence: [[TODO: MAP RELATED CAMPAIGN CONFIDENCE]]

Detailed analyst report

[[TODO: MAP ANALYST REPORT PARAGRAPH 1]]

[[TODO: MAP ANALYST REPORT PARAGRAPH 2]]

[[TODO: MAP ANALYST REPORT PARAGRAPH 3]]

Frequently asked questions about undici

What is undici?

[[TODO: MAP FAQ WHAT IS ANSWER]]

Is undici considered malicious?

[[TODO: MAP FAQ MALICIOUS ANSWER]]

Does undici respect robots.txt and crawl-rate controls?

[[TODO: MAP FAQ ROBOTS ANSWER]]

What infrastructure is commonly associated with undici?

[[TODO: MAP FAQ INFRASTRUCTURE ANSWER]]