TLS ClientHello (JA4)

t13d1011h2_cdfb91a0a52b_9ced094328c9

first seen 2026-08-18 07:27 · last seen 2026-09-25 23:37 · JSON

Decomposed attributes

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`d (domain)`
Cipher count	`10`
Extension count	`11`
ALPN	`h2`
Ciphers	`002f, 0035, 009d, 1301, 1302, 1303, c013, c02c, c030, cca9`
Extensions	`000a, 000b, 000d, 0017, 0023, 002b, 002d, 0033, ff01`
Signature algorithms	`0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601`
JA4_r	`t13d1011h2_002f,0035,009d,1301,1302,1303,c013,c02c,c030,cca9_000a,000b,000d,0017,0023,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601`
JA4_o (sample)	`t13d1011h2_d337b9afa717_4744d785974c`
JA4_ro (sample)	`t13d1011h2_1301,1302,1303,c030,009d,c013,c02c,002f,0035,cca9_002d,000a,ff01,0023,0000,0033,000d,000b,002b,0017,0010_0403,0804,0401,0503,0805,0501,0806,0601`

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
`ge20nn04enus_989c7cc05c9b_000000000000_000000000000`	5

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`1:65536;2:0;4:6291456;6:262144;4:1048576\|15663105\|1:0:0:256\|m,a,s,p`	5

TCP SYN (p0f)

fingerprint	co-occurrences
`4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	1
`4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	1
`4:50+14:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:0`	1
`4:53+11:0:8902:mss*7,12:mss,sok,ts,nop,ws:df,id+,ecn:0`	1
`4:51+13:0:8960:mss*7,7:mss,sok,ts,nop,ws:df,id+:0`	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`64240_2-4-8-1-3_1460_7`	2
`65535_2-4-8-1-3_1460_9`	1
`62720_2-4-8-1-3_8960_7`	1
`62314_2-4-8-1-3_8902_12`	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.8 Safari/537.36 Edg/134.0.0.8`	5

Country

fingerprint	co-occurrences
`DE` · Germany	1
`US` · United States	1
`NO` · Norway	1
`NL` · Netherlands	1
`SE` · Sweden	1

Network (ASN)

fingerprint	co-occurrences
`AS60729` · Stiftung Erneuerbare Freiheit	1
`AS61125` · SABOTAGE LLC	1
`AS25400` · Telia Norge AS	1
`AS214503` · QuxLabs AB	1
`AS62744` · Quintex Alliance Consulting	1