TLS ClientHello (JA4)

t12d090700_5e39edccbee7_036209cd1ead

first seen 2026-08-06 08:28 · last seen 2026-08-06 08:28 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count9
Extension count7
ALPN00
Ciphers002f, 0035, 009c, c009, c00a, c013, c014, c02b, c02f
Extensions0005, 000a, 000b, 000d, 0017, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt12d090700_002f,0035,009c,c009,c00a,c013,c014,c02b,c02f_0005,000a,000b,000d,0017,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t12d090700_3c0f095b02e8_e6b8a58305a9
JA4_ro (sample)t12d090700_c02b,c02f,c00a,c009,c013,c014,009c,002f,0035_0000,0017,ff01,000a,000b,0005,000d_0403,0804,0401,0503,0805,0501,0806,0601,0201

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)

fingerprintco-occurrences
ge11nn040000_711cb688358f_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_71

User-Agent

fingerprintco-occurrences
okhttp/2.5.01

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS21100 · ROUTE 95 LLC1