TLS ClientHello (JA4)

t13d2812h2_a01be8c064b6_8e6e362c5eac

first seen 2026-07-01 06:17 · last seen 2026-07-27 02:28 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count28
Extension count12
ALPNh2
Ciphers002f, 0035, 003c, 003d, 0067, 006b, 009c, 009d, 009e, 009f, 1301, 1302, 1303, c009, c00a, c013, c014, c023, c024, c027, c028, c02b, c02c, c02f, c030, cca8, cca9, ccaa
Extensions000a, 000b, 000d, 0016, 0017, 0023, 002b, 002d, 0033, ff01
Signature algorithms0905, 0906, 0904, 0403, 0503, 0603, 0807, 0808, 081a, 081b, 081c, 0809, 080a, 080b, 0804, 0805, 0806, 0401, 0501, 0601, 0303, 0301, 0302, 0402, 0502, 0602
JA4_rt13d2812h2_002f,0035,003c,003d,0067,006b,009c,009d,009e,009f,1301,1302,1303,c009,c00a,c013,c014,c023,c024,c027,c028,c02b,c02c,c02f,c030,cca8,cca9,ccaa_000a,000b,000d,0016,0017,0023,002b,002d,0033,ff01_0905,0906,0904,0403,0503,0603,0807,0808,081a,081b,081c,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301,0302,0402,0502,0602
JA4_o (sample)t13d2812h2_85e3bfa4f331_ec3b10441c8f
JA4_ro (sample)t13d2812h2_1302,1303,1301,c02b,c02f,c02c,c030,cca9,cca8,009e,009f,ccaa,c023,c027,c009,c013,c024,c028,c00a,c014,0067,006b,009c,009d,003c,003d,002f,0035_ff01,0000,000b,000a,0023,0010,0016,0017,000d,002b,002d,0033_0905,0906,0904,0403,0503,0603,0807,0808,081a,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
ge20nn13enus_9519c2577190_000000000000_0000000000001
ge20nn14enus_c1d002e573a4_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:4096;2:0;4:2147483647;5:131072;8:0;3:100;6:65536|2147418112|0|m,s,p,a2

TCP SYN (p0f)

fingerprintco-occurrences
6:54+10:0:1440:65535,8:mss,nop,ws,nop,nop,sok:flow:01
4:106+22:0:1356:65535,8:mss,nop,ws,nop,nop,sok:id-:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1440_81
65535_2-1-3-1-1-4_1356_81

User-Agent

fingerprintco-occurrences
Dalvik/2.1.0 (Linux; Android 16; SM-S901N Build/BP2A.250605.031.A3; wv)1
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
US · United States2

Network (ASN)

fingerprintco-occurrences
AS22773 · Cox Communications Inc.1
AS21928 · T-Mobile USA, Inc.1