TLS ClientHello (JA4)

t12d091100_08d6d9b33cd7_3cea1dfb92aa

first seen 2026-08-01 07:58 · last seen 2026-08-01 07:58 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count9
Extension count11
ALPN00
Ciphers002f, 0035, 009c, c013, c014, c02b, c02c, c02f, c030
Extensions0005, 000a, 000b, 000d, 0011, 0017, 0023, 002b, 0032, ff01
Signature algorithms0403, 0503, 0603, 0807, 0808, 0804, 0805, 0806, 0809, 080a, 080b, 0401, 0501, 0601, 0402, 0203, 0201, 0202
JA4_rt12d091100_002f,0035,009c,c013,c014,c02b,c02c,c02f,c030_0005,000a,000b,000d,0011,0017,0023,002b,0032,ff01_0403,0503,0603,0807,0808,0804,0805,0806,0809,080a,080b,0401,0501,0601,0402,0203,0201,0202
JA4_o (sample)t12d091100_6780c5415b52_d990744fa9ce
JA4_ro (sample)t12d091100_c02c,c02b,c02f,c030,c013,c014,009c,002f,0035_0000,0005,000a,000b,0011,0017,0023,000d,002b,0032,ff01_0403,0503,0603,0807,0808,0804,0805,0806,0809,080a,080b,0401,0501,0601,0402,0203,0201,0202

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
ge11nn060000_928b7c31c81a_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:115+13:0:1400:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:242+13:0:1460:65535,0:mss:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1400_81
65535_2_1460_001

User-Agent

fingerprintco-occurrences
Good2

Country

fingerprintco-occurrences
SG · Singapore1
CN · China1

Network (ASN)

fingerprintco-occurrences
AS4812 · China Telecom (Group)1
AS141389 · GOIP Telecom (Asia Pacific) Pte. Ltd.1