TLS ClientHello (JA4)

t13d1712h1_9f50b2b12837_d41ae481755e

first seen 2026-07-23 19:07 · last seen 2026-07-23 19:07 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count17
Extension count12
ALPNh1
Ciphers002f, 0039, 003c, 003d, 009d, 009e, 00ff, 1301, 1302, 1303, c00a, c014, c028, c02b, c02c, c02f, cca8
Extensions000a, 000b, 000d, 0015, 0016, 0017, 0023, 002b, 002d, 0033
Signature algorithms0403, 0503, 0603, 0807, 0808, 0809, 080a, 080b, 0804, 0805, 0806, 0401, 0501, 0601, 0303, 0301, 0302, 0402, 0502, 0602
JA4_rt13d1712h1_002f,0039,003c,003d,009d,009e,00ff,1301,1302,1303,c00a,c014,c028,c02b,c02c,c02f,cca8_000a,000b,000d,0015,0016,0017,0023,002b,002d,0033_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301,0302,0402,0502,0602
JA4_o (sample)t13d1712h1_1a8e23340d66_958d92f00bb5
JA4_ro (sample)t13d1712h1_1302,1303,1301,c02b,0039,002f,c028,003d,cca8,c02c,009e,003c,c02f,c00a,c014,009d,00ff_0000,000b,000a,0023,0010,0016,0017,000d,002b,002d,0033,0015_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301,0302,0402,0502,0602

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
ge11nn06enus_21ea1759749c_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1460:32768,10:mss,nop,ws,sok,ts::01

TCP SYN (JA4T)

fingerprintco-occurrences
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/135.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS215125 · Church of Cyberology1