TLS ClientHello (JA4)

t13d1210h2_38acdb36e36a_560390466015

first seen 2026-08-18 01:35 · last seen 2026-08-18 01:35 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count12
Extension count10
ALPNh2
Ciphers0035, 009c, 009d, 1301, 1302, 1303, c013, c014, c02c, c02f, cca8, cca9
Extensions000a, 000b, 000d, 0017, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d1210h2_0035,009c,009d,1301,1302,1303,c013,c014,c02c,c02f,cca8,cca9_000a,000b,000d,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d1210h2_7a3b09864706_b2af909d0ad0
JA4_ro (sample)t13d1210h2_1301,1302,1303,cca8,c02c,c013,c014,0035,c02f,cca9,009c,009d_0010,000d,0033,0000,002b,ff01,000a,002d,0017,000b_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
4:53+11:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_111

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.7 Safari/537.361

Country

fingerprintco-occurrences
DE · Germany1

Network (ASN)

fingerprintco-occurrences
AS197540 · netcup GmbH1