TLS ClientHello (JA4)

t13d3612h2_018971650b2c_89b78339ac4c

first seen 2026-09-29 13:23 · last seen 2026-09-30 16:58 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count36
Extension count12
ALPNh2
Ciphers002f, 0033, 0035, 0039, 003c, 003d, 0067, 006b, 009c, 009d, 009e, 009f, 00ff, 1301, 1302, 1303, 1304, c009, c00a, c013, c014, c023, c027, c02b, c02c, c02f, c030, c09c, c09d, c09e, c09f, c0ac, c0ad, cca8, cca9, ccaa
Extensions000a, 000b, 000d, 0015, 0016, 0017, 002b, 002d, 0031, 0033
Signature algorithms0403, 0503, 0603, 0807, 0808, 0809, 080a, 080b, 0804, 0805, 0806, 0401, 0501, 0601, 0303, 0301
JA4_rt13d3612h2_002f,0033,0035,0039,003c,003d,0067,006b,009c,009d,009e,009f,00ff,1301,1302,1303,1304,c009,c00a,c013,c014,c023,c027,c02b,c02c,c02f,c030,c09c,c09d,c09e,c09f,c0ac,c0ad,cca8,cca9,ccaa_000a,000b,000d,0015,0016,0017,002b,002d,0031,0033_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301
JA4_o (sample)t13d3612h2_aa9a9650c48e_ec345255bbc6
JA4_ro (sample)t13d3612h2_1302,1303,1301,1304,c02c,c030,cca9,cca8,c0ad,c02b,c02f,c0ac,c023,c027,c00a,c014,c009,c013,009d,c09d,009c,c09c,003d,003c,0035,002f,009f,ccaa,c09f,009e,c09e,006b,0067,0039,0033,00ff_0000,000b,000a,0010,0016,0017,0031,000d,002b,002d,0033,0015_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
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.13.0, +11 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge20nn020000_e5a56608905c_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:100;4:10485760;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0.The fingerprint page shows the full measured match list. More on the catalog.1
3:100;4:10485760;2:0|1048510465|1:1:0:256|m,s,a,p1

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:51+13:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_71
42340_2-4-8-1-3_1460_121

User-Agent

fingerprintco-occurrences
curl/8.7.11
curl/8.4.01

Country

fingerprintco-occurrences
US · United States1
SG · Singapore1

Network (ASN)

fingerprintco-occurrences
AS45102 · Alibaba (US) Technology Co., Ltd.1
AS138997 · Eons Data Communications Limited1