TLS ClientHello (JA4)

t13d0711h2_dc0c6b7c3182_9ced094328c9

first seen 2026-08-18 09:41 · last seen 2026-09-25 20:44 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count7
Extension count11
ALPNh2
Ciphers009d, 1301, 1302, 1303, c013, c02b, c02f
Extensions000a, 000b, 000d, 0017, 0023, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d0711h2_009d,1301,1302,1303,c013,c02b,c02f_000a,000b,000d,0017,0023,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d0711h2_a36228fd7c02_2e1b464433b5
JA4_ro (sample)t13d0711h2_1301,1302,1303,c013,c02b,009d,c02f_0010,000b,ff01,0023,0000,0033,000d,002d,0017,000a,002b_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_0000000000003

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p3

TCP SYN (p0f)

fingerprintco-occurrences
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:50+14:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:01
4:50+14:0:1460:mss*29,11:mss,nop,nop,sok,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_71
42340_2-4-8-1-3_1460_111
42340_2-1-1-4-1-3_1460_111

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.2 Safari/537.363

Country

fingerprintco-occurrences
DE · Germany2
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS60729 · Stiftung Erneuerbare Freiheit2
AS61125 · SABOTAGE LLC1