TLS ClientHello (JA4)

t13d1514h2_8daaf6152771_a664a5d17759

first seen 2026-07-18 08:30 · last seen 2026-07-18 09:14 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count15
Extension count14
ALPNh2
Ciphers002f, 0035, 009c, 009d, 1301, 1302, 1303, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0012, 0017, 0023, 002b, 002d, 0033, 4469, ff01
Signature algorithms0403, 0503, 0603, 0804, 0805, 0806, 0401, 0501, 0601, 0203, 0201
JA4_rt13d1514h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,0023,002b,002d,0033,4469,ff01_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201
JA4_o (sample)t13d1514h2_8daaf6152771_3e02ffc9a005
JA4_ro (sample)t13d1514h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0000,0005,000a,000b,000d,0012,0017,0023,002b,002d,0033,4469,ff01,0010_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201

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
ge20nr09zhcn_4886f2cdeb15_000000000000_0000000000002
ge20nr09zhcn_b736adc228f1_000000000000_0000000000002
ge20nr010000_a510e5066512_000000000000_0000000000001
ge20nr09enus_4886f2cdeb15_000000000000_0000000000001
ge20nr09enus_b736adc228f1_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;3:1000;4:6291456;5:16384;6:262144|15663105|0|m,a,s,p7

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1460:65535,10:mss,sok,ts,nop,ws:df,id+:05
6:48+16:0:1432:65535,8:mss,nop,ws,sok,ts:flow:02

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1460_105
65535_2-1-3-4-8_1432_82

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.365
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36 Edg/146.0.0.02

Country

fingerprintco-occurrences
US · United States5
CN · China2

Network (ASN)

fingerprintco-occurrences
AS46997 · Black Mesa Corporation5
AS4134 · CHINANET BACKBONE2