TLS ClientHello (JA4)

t13d1711h2_5b57614c22b0_e7c285222651

first seen 2026-07-05 02:22 · last seen 2026-07-10 02:57 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count17
Extension count11
ALPNh2
Ciphers002f, 0035, 009c, 009d, 1301, 1302, 1303, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0012, 0017, 002b, 0033, ff01
Signature algorithms0804, 0403, 0807, 0805, 0806, 0401, 0501, 0601, 0503, 0603, 0201, 0203
JA4_rt13d1711h2_002f,0035,009c,009d,1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,002b,0033,ff01_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603,0201,0203
JA4_o (sample)t13d1711h2_dd41aac38cf0_fe8fa1c5cc33
JA4_ro (sample)t13d1711h2_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,009c,009d,002f,0035,1301,1302,1303_0000,000b,ff01,0017,0012,0005,000a,000d,0010,002b,0033_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603,0201,0203

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
ge20cr04ko00_39a3ba4480e8_9399021ba6df_197eb7353f182
ge20cr04ko00_a1e84a948d10_9399021ba6df_197eb7353f181

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:4194304;5:16384;6:65856|1073741824|0|a,m,p,s3

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1460:mss*20,12:mss,sok,ts,nop,ws:df,id+:03

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1460_123

User-Agent

fingerprintco-occurrences
facebookexternalhit/1.1; kakaotalk-scrap/1.0; +https://devtalk.kakao.com/t/scrap/339843

Country

fingerprintco-occurrences
KR · South Korea3

Network (ASN)

fingerprintco-occurrences
AS38099 · Kakao Corp3