TLS ClientHello (JA4)

t13d1211h2_361d7b826c0b_9ced094328c9

first seen 2026-08-18 00:29 · last seen 2026-08-18 01:34 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count12
Extension count11
ALPNh2
Ciphers002f, 0035, 009c, 1301, 1302, 1303, c013, c014, c02b, c030, cca8, cca9
Extensions000a, 000b, 000d, 0017, 0023, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d1211h2_002f,0035,009c,1301,1302,1303,c013,c014,c02b,c030,cca8,cca9_000a,000b,000d,0017,0023,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d1211h2_2360bfd9b2f1_532a74f9fc99
JA4_ro (sample)t13d1211h2_1301,1302,1303,c030,c013,c02b,002f,009c,cca8,cca9,c014,0035_0000,000b,002d,000a,000d,0017,0023,ff01,0033,002b,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_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p2

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1460:mss*44,11:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

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

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Safari/605.1.151
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.1 Safari/537.36 Edg/135.0.0.11

Country

fingerprintco-occurrences
US · United States1
NO · Norway1

Network (ASN)

fingerprintco-occurrences
AS56655 · Gigahost AS1
AS62744 · Quintex Alliance Consulting1