TLS ClientHello (JA4)

t13d4412h1_fd39b124ee10_58ed7828516f

first seen 2026-07-01 17:51 · last seen 2026-07-30 16:02 · JSON

Decomposed attributes

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`d (domain)`
Cipher count	`44`
Extension count	`12`
ALPN	`h1`
Ciphers	`002f, 0033, 0035, 0039, 003c, 003d, 0067, 006b, 009c, 009d, 009e, 009f, 00ff, 1301, 1302, 1303, 1304, c009, c00a, c013, c014, c023, c024, c027, c028, c02b, c02c, c02f, c030, c09c, c09d, c09e, c09f, c0a0, c0a1, c0a2, c0a3, c0ac, c0ad, c0ae, c0af, cca8, cca9, ccaa`
Extensions	`000a, 000b, 000d, 0015, 0016, 0017, 002b, 002d, 0031, 0033`
Signature algorithms	`0403, 0503, 0603, 0807, 0808, 0809, 0804, 080a, 0805, 080b, 0806, 0401, 0501, 0601, 0303, 0301, 0203, 0201`
JA4_r	`t13d4412h1_002f,0033,0035,0039,003c,003d,0067,006b,009c,009d,009e,009f,00ff,1301,1302,1303,1304,c009,c00a,c013,c014,c023,c024,c027,c028,c02b,c02c,c02f,c030,c09c,c09d,c09e,c09f,c0a0,c0a1,c0a2,c0a3,c0ac,c0ad,c0ae,c0af,cca8,cca9,ccaa_000a,000b,000d,0015,0016,0017,002b,002d,0031,0033_0403,0503,0603,0807,0808,0809,0804,080a,0805,080b,0806,0401,0501,0601,0303,0301,0203,0201`
JA4_o (sample)	`t13d4412h1_3c02824d4429_1bff0541c992`
JA4_ro (sample)	`t13d4412h1_1302,1303,1301,1304,c02c,c030,c02b,c02f,cca9,cca8,009f,009e,ccaa,c0af,c0ad,c0ae,c0ac,c024,c028,c023,c027,c00a,c014,c009,c013,c0a3,c09f,c0a2,c09e,006b,0067,0039,0033,009d,009c,c0a1,c09d,c0a0,c09c,003d,003c,0035,002f,00ff_0000,000b,000a,0010,0016,0017,0031,000d,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)

fingerprint	co-occurrences
`ge11nn050000_b223a0ebb0b5_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.	22855

TCP SYN (p0f)

fingerprint	co-occurrences
`4:47+17:0:1452:mss*4,4:mss,sok,ts,nop,ws:df,id+:0`	1086
`4:48+16:0:1452:mss*4,4:mss,sok,ts,nop,ws:df,id+:0`	948
`4:46+18:0:1452:mss*4,4:mss,sok,ts,nop,ws:df,id+:0`	793
`4:45+19:0:1452:mss*4,4:mss,sok,ts,nop,ws:df,id+:0`	535
`4:47+17:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:0`	448
`4:46+18:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:0`	434
`4:46+18:0:1412:65535,6:mss,sok,ts,nop,ws:df,id+:0`	315
`4:49+15:0:1412:65535,6:mss,sok,ts,nop,ws:df,id+:0`	300
`4:47+17:0:1412:65535,6:mss,sok,ts,nop,ws:df,id+:0`	292
`4:45+19:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:0`	291

TCP SYN (JA4T)

fingerprint	co-occurrences
`5808_2-4-8-1-3_1452_4`	3674
`65535_2-4-8-1-3_1412_6`	3046
`65535_2-4-8-1-3_1460_6`	2602
`65535_2-4-8-1-3_1440_6`	2285
`65535_2-4-8-1-3_1452_6`	2029
`65535_2-4-8-1-3_1400_6`	1597
`64240_2-4-8-1-3_1460_7`	685
`64240_2-4-8-1-3_1412_7`	606
`65535_2-4-8-1-3_1412_8`	547
`64240_2-4-8-1-3_1452_7`	470

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36`	327
`Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36`	128
`Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36`	107
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36`	97
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.36`	97
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36`	88
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.3538.77 Safari/537.36`	74
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.80 Safari/537.36`	74
`Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36`	72
`Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36`	72

Country

fingerprint	co-occurrences
`VN` · Vietnam	4169
`BR` · Brazil	3193
`AR` · Argentina	1529
`BD` · Bangladesh	1375
`PK` · Pakistan	1008
`MX` · Mexico	879
`CO` · Colombia	832
`ZA` · South Africa	784
`IQ` · Iraq	741
`VE` · Venezuela	653

Network (ASN)

fingerprint	co-occurrences
`AS45899` · VNPT Corp	3839
`AS8151` · Uninet S.A. de C.V.	300
`AS14593` · Space Exploration Technologies Corporation	296
`AS22927` · Telefonica de Argentina	296
`AS28573` · Claro NXT Telecomunicacoes Ltda	279
`AS7303` · Telecom Argentina S.A.	276
`AS9541` · Cyber Internet Services (Pvt) Ltd.	236
`AS8193` · Uzbektelekom Joint Stock Company	227
`AS199739` · Earthlink Telecommunications Equipment Trading & Services DMCC	214
`AS7552` · Viettel Group	204