TLS ClientHello (JA4)

t13d361100_018971650b2c_e8b3fe21f08b

first seen 2026-06-28 15:25 · last seen 2026-09-30 04:33 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count36
Extension count11
ALPN00
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, 0023, 002b, 002d, 0033
Signature algorithms0403, 0503, 0603, 0807, 0808, 0809, 0804, 080a, 0805, 080b, 0806, 0401, 0501, 0601, 0303, 0301, 0203, 0201
JA4_rt13d361100_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,0015,0016,0017,0023,002b,002d,0033_0403,0503,0603,0807,0808,0809,0804,080a,0805,080b,0806,0401,0501,0601,0303,0301,0203,0201
JA4_o (sample)t13d361100_aa9a9650c48e_1e9f4fd0a95b
JA4_ro (sample)t13d361100_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,0023,0016,0017,000d,002b,002d,0033,0015_0403,0503,0603,0807,0808,0809,0804,080a,0805,080b,0806,0401,0501,0601,0303,0301,0203,0201

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
ge11nn05ja00_3dda9f893680_000000000000_0000000000002
ge11nn050000_70aac3314885_000000000000_0000000000001
ge11nn06enus_98e697c2fa06_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:47+17:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:02
4:48+16:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01
4:54+10:0:8960:mss*7,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1460_72
62720_2-4-8-1-3_8960_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Mobile Safari/537.363
f1tym1-scraper/1.0 (+https://f1tym1.com/sources/)1

Country

fingerprintco-occurrences
JP · Japan3
US · United States1

Network (ASN)

fingerprintco-occurrences
AS7684 · SAKURA Internet Inc.3
AS31898 · Oracle Corporation1