TLS ClientHello (JA4)

t13d0711h2_8c48390ae5f5_b11bb3600f94

first seen 2026-08-18 07:51 · last seen 2026-09-25 20:45 · JSON

Decomposed attributes

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`d (domain)`
Cipher count	`7`
Extension count	`11`
ALPN	`h2`
Ciphers	`0035, 009d, 1301, 1302, 1303, c02f, c030`
Extensions	`000a, 000b, 000d, 0015, 0017, 002b, 002d, 0033, ff01`
Signature algorithms	`0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601`
JA4_r	`t13d0711h2_0035,009d,1301,1302,1303,c02f,c030_000a,000b,000d,0015,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601`
JA4_o (sample)	`t13d0711h2_772c68a110d5_9cd1fb58c0d0`
JA4_ro (sample)	`t13d0711h2_1301,1302,1303,0035,c030,009d,c02f_000a,ff01,0033,0010,002d,000b,0000,000d,002b,0017,0015_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`	6

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`	6

TCP SYN (p0f)

fingerprint	co-occurrences
`4:50+14:0:1460:32768,10:mss,nop,ws,sok,ts::0`	2
`4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	1
`4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	1
`4:44+20:0:1460:mss*44,9:mss,sok,ts,nop,ws:df,id+:0`	1
`4:55+9:0:1460:mss*29,10:mss,nop,nop,sok,nop,ws:df,id+:0`	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`64240_2-4-8-1-3_1460_7`	2
`32768_2-1-3-4-8_1460_10`	2
`64240_2-4-8-1-3_1460_9`	1
`42340_2-1-1-4-1-3_1460_10`	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.2 Safari/537.36 Edg/135.0.0.2`	6

Country

fingerprint	co-occurrences
`NL` · Netherlands	3
`DE` · Germany	1
`CH` · Switzerland	1
`SE` · Sweden	1

Network (ASN)

fingerprint	co-occurrences
`AS215125` · Church of Cyberology	2
`AS16276` · OVH SAS	1
`AS60781` · LeaseWeb Netherlands B.V.	1
`AS41281` · KeFF Networks Ltd	1
`AS29691` · Nine Internet Solutions AG	1