TLS ClientHello (JA4)

t13d1111h2_f47ab2e241cc_9ced094328c9

first seen 2026-08-18 19:49 · last seen 2026-08-18 19:49 · JSON

Decomposed attributes

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`d (domain)`
Cipher count	`11`
Extension count	`11`
ALPN	`h2`
Ciphers	`002f, 0035, 009c, 1301, 1302, 1303, c013, c02b, c02c, c02f, c030`
Extensions	`000a, 000b, 000d, 0017, 0023, 002b, 002d, 0033, ff01`
Signature algorithms	`0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601`
JA4_r	`t13d1111h2_002f,0035,009c,1301,1302,1303,c013,c02b,c02c,c02f,c030_000a,000b,000d,0017,0023,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601`
JA4_o (sample)	`t13d1111h2_0ad2310edc86_6696c184c38c`
JA4_ro (sample)	`t13d1111h2_1301,1302,1303,c013,002f,009c,c02b,c02f,c030,c02c,0035_0010,0000,002b,0023,002d,ff01,000a,0017,000d,0033,000b_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`	1

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`	1

TCP SYN (p0f)

fingerprint	co-occurrences
`4:40+24:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:0`	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`65535_2-4-8-1-3_1460_9`	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.76 Safari/537.36 Edg/100.0.1185.36`	1

Country

fingerprint	co-occurrences
`RO` · Romania	1

Network (ASN)

fingerprint	co-occurrences
`AS200651` · FlokiNET ehf	1