TLS ClientHello (JA4)

t13d1312h2_ccf33812d0e6_cbb9361b6bf9

first seen 2026-08-17 23:24 · last seen 2026-08-18 01:34 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count13
Extension count12
ALPNh2
Ciphers0035, 009d, 1301, 1302, 1303, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0015, 0017, 0023, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d1312h2_0035,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0015,0017,0023,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d1312h2_e9a1b834d7f8_61d167c6b7ec
JA4_ro (sample)t13d1312h2_1301,1302,1303,0035,cca8,c013,c02b,009d,cca9,c030,c02f,c014,c02c_000d,0017,0010,ff01,0033,000a,000b,0000,002d,002b,0023,0015_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
4:53+11:0:1460:mss*44,7: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
4:55+9:0:1460:mss*29,10:mss,nop,nop,sok,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_71
62314_2-4-8-1-3_8902_121
42340_2-1-1-4-1-3_1460_101

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.1 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.2 Safari/537.361
Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.9 Safari/537.361

Country

fingerprintco-occurrences
SE · Sweden2
NO · Norway1

Network (ASN)

fingerprintco-occurrences
AS56655 · Gigahost AS1
AS214503 · QuxLabs AB1
AS41281 · KeFF Networks Ltd1