TLS ClientHello (JA4)

t13d351400_8f004308c246_5c2c66f702b0

first seen 2026-06-15 04:57 · last seen 2026-08-10 14:06 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count35
Extension count14
ALPN00
Ciphers0005, 000a, 0016, 002f, 0033, 0035, 0039, 003c, 0067, 006b, 009c, 009d, 009e, 009f, 1301, 1302, 1303, c007, c009, c00a, c011, c012, c013, c014, c023, c027, c02b, c02c, c02f, c030, cc13, cc14, cca8, cca9, ccaa
Extensions0005, 000a, 000b, 000d, 0017, 001c, 0022, 0023, 002b, 002d, 0033, fe0d, ff01
Signature algorithms0403, 0503, 0603, 0804, 0805, 0806, 0401, 0501, 0601, 0203, 0201
JA4_rt13d351400_0005,000a,0016,002f,0033,0035,0039,003c,0067,006b,009c,009d,009e,009f,1301,1302,1303,c007,c009,c00a,c011,c012,c013,c014,c023,c027,c02b,c02c,c02f,c030,cc13,cc14,cca8,cca9,ccaa_0005,000a,000b,000d,0017,001c,0022,0023,002b,002d,0033,fe0d,ff01_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201
JA4_o (sample)t13d351400_9a395912533a_8de07805390f
JA4_ro (sample)t13d351400_1301,1303,1302,c02b,c02f,cca9,cca8,c02c,c030,c00a,c009,c013,c014,009c,009d,002f,0035,c027,c023,ccaa,009e,009f,0067,006b,0033,0039,003c,c012,0016,000a,0005,c011,c007,cc13,cc14_0000,0017,ff01,000a,000b,0023,0005,0022,0033,002b,000d,002d,001c,fe0d_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
ge11nn050000_a1c329e38462_000000000000_0000000000005
ge11nn040000_88d30a62b7ad_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: wget 1.25.0.The fingerprint page shows the full measured match list. More on the catalog.2
po11nn080000_86f5668e3d93_000000000000_0000000000002
po11nn070000_ce951b014b9b_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:57+7:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:07
4:50+14:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:03

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_97

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; Infrawatch/1.0; +https://infrawat.ch/)10

Country

fingerprintco-occurrences
NL · Netherlands7
DE · Germany3

Network (ASN)

fingerprintco-occurrences
AS25369 · Hydra Communications Ltd10