TLS ClientHello (JA4)

t13d1812h1_85036bcba153_7452fd1b1717

first seen 2026-06-26 23:24 · last seen 2026-06-26 23:24 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count18
Extension count12
ALPNh1
Ciphers0067, 006b, 009e, 009f, 00ff, 1301, 1302, 1303, c023, c024, c027, c028, c02b, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0015, 0016, 0017, 0023, 002b, 002d, 0033
Signature algorithms0403, 0503, 0603, 0807, 0808, 081a, 081b, 081c, 0809, 080a, 080b, 0804, 0805, 0806, 0401, 0501, 0601, 0303, 0301, 0302, 0402, 0502, 0602
JA4_rt13d1812h1_0067,006b,009e,009f,00ff,1301,1302,1303,c023,c024,c027,c028,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0015,0016,0017,0023,002b,002d,0033_0403,0503,0603,0807,0808,081a,081b,081c,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301,0302,0402,0502,0602
JA4_o (sample)t13d1812h1_a2fb288ce784_3eff64556bb4
JA4_ro (sample)t13d1812h1_1302,1303,1301,c02c,c030,c02b,c02f,cca9,cca8,c024,c028,c023,c027,009f,009e,006b,0067,00ff_0000,000b,000a,0023,0010,0016,0017,000d,002b,002d,0033,0015_0403,0503,0603,0807,0808,081a,081b,081c,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
ge11nn040000_c3abebcf3d28_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:52+12:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Python/3.11 aiohttp/3.13.11

Country

fingerprintco-occurrences
CH · Switzerland1

Network (ASN)

fingerprintco-occurrences
AS6730 · Sunrise GmbH1