TLS ClientHello (JA4)

t13d1913h1_c968117e19e9_144321f44052

first seen 2026-06-13 15:16 · last seen 2026-07-17 01:19 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count19
Extension count13
ALPNh1
Ciphers0067, 006b, 009e, 009f, 00ff, 1301, 1302, 1303, 1304, c023, c024, c027, c028, c02b, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0015, 0016, 0017, 001b, 0023, 002b, 002d, 0033
Signature algorithms0403, 0503, 0603, 0807, 0808, 0809, 080a, 080b, 0804, 0805, 0806, 0401, 0501, 0601, 0303, 0301
JA4_rt13d1913h1_0067,006b,009e,009f,00ff,1301,1302,1303,1304,c023,c024,c027,c028,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0015,0016,0017,001b,0023,002b,002d,0033_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301
JA4_o (sample)t13d1913h1_0be35b3c3834_6fd5b2f2cd3a
JA4_ro (sample)t13d1913h1_1302,1303,1301,1304,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,0033,001b,0015_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301

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
ge11nn08enus_8d2381d4363a_000000000000_00000000000026
ge11nn07enus_e039a694497f_000000000000_00000000000017
ge11nn08enus_1e49294e4896_000000000000_0000000000004

TCP SYN (p0f)

fingerprintco-occurrences
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:021
4:46+18:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:09
4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:07
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:05
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:54+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_726

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux i686; rv:109.0) Gecko/20100101 Firefox/120.047

Country

fingerprintco-occurrences
US · United States47

Network (ASN)

fingerprintco-occurrences
AS18779 · EGIHosting31
AS64286 · LogicWeb Inc.16