TLS ClientHello (JA4)

t13d0810h2_c673e850e260_560390466015

first seen 2026-08-18 06:52 · last seen 2026-08-18 06:52 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count8
Extension count10
ALPNh2
Ciphers002f, 0035, 1301, 1302, 1303, c02b, c02c, cca9
Extensions000a, 000b, 000d, 0017, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d0810h2_002f,0035,1301,1302,1303,c02b,c02c,cca9_000a,000b,000d,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d0810h2_b828b1b85441_67e130cc27ea
JA4_ro (sample)t13d0810h2_1301,1302,1303,cca9,002f,c02b,c02c,0035_002d,0010,0033,0017,000a,002b,0000,ff01,000b,000d_0403,0804,0401,0503,0805,0501,0806,0601

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn04enus_989c7cc05c9b_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p1

TCP SYN (p0f)

fingerprintco-occurrences
4:245+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.5 Safari/537.361

Country

fingerprintco-occurrences
IS · Iceland1

Network (ASN)

fingerprintco-occurrences
AS50613 · Advania Island ehf1