TLS ClientHello (JA4)

t13d1515h2_8daaf6152771_98afadeeacd9

first seen 2026-08-31 15:24 · last seen 2026-08-31 16:05 · JSON

Decomposed attributes

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`d (domain)`
Cipher count	`15`
Extension count	`15`
ALPN	`h2`
Ciphers	`002f, 0035, 009c, 009d, 1301, 1302, 1303, c013, c014, c02b, c02c, c02f, c030, cca8, cca9`
Extensions	`0005, 000a, 000b, 000d, 0012, 0015, 0017, 001b, 0023, 002b, 002d, 0033, ff01`
Signature algorithms	`0403, 0503, 0603, 0804, 0805, 0806, 0401, 0501, 0601, 0203, 0201`
JA4_r	`t13d1515h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0015,0017,001b,0023,002b,002d,0033,ff01_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201`
JA4_o (sample)	`t13d1515h2_acb858a92679_061138fb048c`
JA4_ro (sample)	`t13d1515h2_1301,1302,1303,c02b,c02f,c02c,c030,cca9,cca8,c013,c014,009c,009d,002f,0035_0000,0017,ff01,000a,000b,0023,0010,0005,000d,0012,0033,002d,002b,001b,0015_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)

fingerprint	co-occurrences
`ge20nn010000_a510e5066512_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: java-httpclient 17.0.19, java-httpclient 11.0.31, winhttp 10.0.20348.1, +10 more.The fingerprint page shows the full measured match list. More on the catalog.	3
`ge20nn020000_fb4f949fd323_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.6, powershell 7.6.9, powershell 7.6.8.The fingerprint page shows the full measured match list. More on the catalog.	1

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`1:65536;2:0;4:6291456;6:262144\|15663105\|1:0:0:256\|m,a,s,p`	3
`2:0;4:4194304;6:10485760\|1073741824\|0\|a,m,p,s` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.	1

TCP SYN (p0f)

fingerprint	co-occurrences
`4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	3
`4:111+17:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`64240_2-4-8-1-3_1460_7`	3
`64240_2-1-3-1-1-4_1460_8`	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36`	4

Country

fingerprint	co-occurrences
`DE` · Germany	4

Network (ASN)

fingerprint	co-occurrences
`AS200373` · 3xK Tech GmbH	3
`AS24940` · Hetzner Online GmbH	1