TLS ClientHello (JA4)

t12d090800_08d6d9b33cd7_9d38f905c14d

first seen 2026-07-01 16:03 · last seen 2026-07-01 16:03 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count9
Extension count8
ALPN00
Ciphers002f, 0035, 009c, c013, c014, c02b, c02c, c02f, c030
Extensions000a, 000b, 000d, 0017, 002b, 0032, ff01
Signature algorithms0403, 0503, 0603, 0804, 0805, 0806, 0809, 080a, 080b, 0401, 0501, 0601, 0402, 0303, 0301, 0302, 0203, 0201, 0202
JA4_rt12d090800_002f,0035,009c,c013,c014,c02b,c02c,c02f,c030_000a,000b,000d,0017,002b,0032,ff01_0403,0503,0603,0804,0805,0806,0809,080a,080b,0401,0501,0601,0402,0303,0301,0302,0203,0201,0202
JA4_o (sample)t12d090800_6780c5415b52_dfea93a804a8
JA4_ro (sample)t12d090800_c02c,c02b,c02f,c030,c013,c014,009c,002f,0035_0000,000a,000b,000d,0032,0017,002b,ff01_0403,0503,0603,0804,0805,0806,0809,080a,080b,0401,0501,0601,0402,0303,0301,0302,0203,0201,0202

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_314255b4f893_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1460_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; YaK/1.0; http://linkfluence.com/; bot@linkfluence.com)1

Country

fingerprintco-occurrences
CA · Canada1

Network (ASN)

fingerprintco-occurrences
AS16276 · OVH SAS1