TLS ClientHello (JA4)

t13d0710h2_d69777ae5f27_560390466015

first seen 2026-08-17 22:20 · last seen 2026-09-25 20:43 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count7
Extension count10
ALPNh2
Ciphers1301, 1302, 1303, c014, c02b, c02c, cca8
Extensions000a, 000b, 000d, 0017, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d0710h2_1301,1302,1303,c014,c02b,c02c,cca8_000a,000b,000d,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d0710h2_4985a26ae444_751417fc5f45
JA4_ro (sample)t13d0710h2_1301,1302,1303,c02c,c014,cca8,c02b_000b,002d,0017,000d,ff01,0033,002b,0000,000a,0010_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_0000000000004

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p4

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1460:32768,10:mss,nop,ws,sok,ts::01
4:49+15:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:01
4:53+11:0:8902:mss*7,12:mss,sok,ts,nop,ws:df,id+,ecn:01
4:48+16:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_112
32768_2-1-3-4-8_1460_101
62314_2-4-8-1-3_8902_121

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.363
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.9 Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands2
DE · Germany1
SE · Sweden1

Network (ASN)

fingerprintco-occurrences
AS215125 · Church of Cyberology1
AS197540 · netcup GmbH1
AS214503 · QuxLabs AB1
AS60404 · Liteserver1