TLS ClientHello (JA4)

t12d300500_26d8f6c067ce_3800f04fc87b

first seen 2026-08-24 02:53 · last seen 2026-09-03 13:41 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count30
Extension count5
ALPN00
Ciphers0004, 0005, 000a, 0013, 0016, 002f, 0032, 0033, 0035, 0038, 0039, 003c, 003d, 0067, 006b, 009c, 009d, 009e, 009f, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9, ccaa
Extensions000a, 000b, 000d, ff01
Signature algorithms0403, 0503, 0603, 0203, 0804, 0805, 0806, 0401, 0501, 0601, 0201, 0402, 0502, 0602, 0202
JA4_rt12d300500_0004,0005,000a,0013,0016,002f,0032,0033,0035,0038,0039,003c,003d,0067,006b,009c,009d,009e,009f,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9,ccaa_000a,000b,000d,ff01_0403,0503,0603,0203,0804,0805,0806,0401,0501,0601,0201,0402,0502,0602,0202
JA4_o (sample)t12d300500_18c0af8aec6f_8b3128dece93
JA4_ro (sample)t12d300500_c02c,c00a,c02b,cca9,c009,c030,c014,c02f,cca8,c013,009f,0039,0038,006b,009e,ccaa,0033,0032,0067,0016,0013,009d,0035,003d,009c,002f,003c,000a,0005,0004_0000,ff01,000a,000b,000d_0403,0503,0603,0203,0804,0805,0806,0401,0501,0601,0201,0402,0502,0602,0202

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
ge11nn030000_32287c24fa5b_000000000000_0000000000003

TCP SYN (p0f)

fingerprintco-occurrences
4:46+18:0:1460:mss*20,7:mss,nop,nop,sok,nop,ws:df,id+:03

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-1-1-4-1-3_1460_73

User-Agent

fingerprintco-occurrences
curl/7.29.03

Country

fingerprintco-occurrences
CN · China3

Network (ASN)

fingerprintco-occurrences
AS4134 · CHINANET BACKBONE3