TLS ClientHello (JA4)

t13d1310h2_2229f91a5342_560390466015

first seen 2026-08-17 22:54 · last seen 2026-09-25 20:46 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count13
Extension count10
ALPNh2
Ciphers002f, 0035, 009d, 1301, 1302, 1303, c013, c014, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0017, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d1310h2_002f,0035,009d,1301,1302,1303,c013,c014,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d1310h2_948133bcbc44_6eda8038169e
JA4_ro (sample)t13d1310h2_1301,1302,1303,009d,cca8,cca9,0035,002f,c014,c02f,c013,c02c,c030_002d,0000,000b,0010,000d,ff01,0017,000a,0033,002b_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_0000000000005

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p5

TCP SYN (p0f)

fingerprintco-occurrences
4:47+17:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:50+14:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:01
4:55+9:0:1460:mss*44,9:mss,sok,ts,nop,ws:df,id+:01
4:54+10:0:1460:32768,10:mss,nop,ws,sok,ts::01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_71
64240_2-4-8-1-3_1460_101
65535_2-4-8-1-3_1460_91
64240_2-4-8-1-3_1460_91
32768_2-1-3-4-8_1460_101

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.6 Safari/537.364
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.9 Safari/537.361

Country

fingerprintco-occurrences
DE · Germany2
NL · Netherlands1
FR · France1
PL · Poland1

Network (ASN)

fingerprintco-occurrences
AS60729 · Stiftung Erneuerbare Freiheit1
AS215125 · Church of Cyberology1
AS205100 · F3 Netze e.V.1
AS2027 · MilkyWan Association1
AS48031 · Ivanov Vitaliy Sergeevich1