TLS ClientHello (JA4)

t13d1813h2_e8a523a41297_eca864cca44a

first seen 2026-07-08 03:59 · last seen 2026-07-08 03:59 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count18
Extension count13
ALPNh2
Ciphers000a, 002f, 0035, 009c, 009d, 1301, 1302, 1303, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0015, 0017, 0023, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt13d1813h2_000a,002f,0035,009c,009d,1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0015,0017,0023,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t13d1813h2_59bf3b870e0e_e4ab96ca226e
JA4_ro (sample)t13d1813h2_1301,1302,1303,c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,009c,009d,002f,0035,000a_0000,0017,ff01,000a,000b,0023,0010,0005,000d,0033,002d,002b,0015_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
ge20nn010000_379fadc6c8b7_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,p,a,s1

TCP SYN (p0f)

fingerprintco-occurrences
4:42+22:0:1368:65535,9:mss,sok,ts,nop,ws::01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1368_91

Country

fingerprintco-occurrences
KR · South Korea1

Network (ASN)

fingerprintco-occurrences
AS17853 · LGTELECOM1