TLS ClientHello (JA4)

t12d280800_bbd4f008d9b2_16bbda4055b2

first seen 2026-06-20 00:56 · last seen 2026-07-04 04:51 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count28
Extension count8
ALPN00
Ciphers000a, 0013, 002f, 0032, 0033, 0035, 0038, 0039, 003c, 003d, 0040, 006a, 009c, 009d, 009e, 009f, c009, c00a, c013, c014, c023, c024, c027, c028, c02b, c02c, c02f, c030
Extensions0005, 000a, 000b, 000d, 0017, 0023, ff01
Signature algorithms0401, 0501, 0201, 0403, 0503, 0203, 0202, 0601, 0603
JA4_rt12d280800_000a,0013,002f,0032,0033,0035,0038,0039,003c,003d,0040,006a,009c,009d,009e,009f,c009,c00a,c013,c014,c023,c024,c027,c028,c02b,c02c,c02f,c030_0005,000a,000b,000d,0017,0023,ff01_0401,0501,0201,0403,0503,0203,0202,0601,0603
JA4_o (sample)t12d280800_2834794472b4_a8d70fcb9ff4
JA4_ro (sample)t12d280800_c030,c02f,c028,c027,c014,c013,009f,009e,0039,0033,009d,009c,003d,003c,0035,002f,c02c,c02b,c024,c023,c00a,c009,006a,0040,0038,0032,000a,0013_0000,0005,000a,000b,000d,0023,0017,ff01_0401,0501,0201,0403,0503,0203,0202,0601,0603

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
ge11nr08zhcn_5e320583bf18_000000000000_0000000000004
ge11nn040000_ae2590be4883_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:113+15:0:1460:8192,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:04
6:40+24:0:1440:8192,8:mss,nop,ws,nop,nop,sok::01

TCP SYN (JA4T)

fingerprintco-occurrences
8192_2-1-3-1-1-4_1440_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.364
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)1

Country

fingerprintco-occurrences
HK · Hong Kong SAR China4
IN · India1

Network (ASN)

fingerprintco-occurrences
AS152194 · CTG Server Limited4
AS55836 · Reliance Jio Infocomm Limited1