TLS ClientHello (JA4)

t12d260800_db6bc8f7861c_0fd084b116a9

first seen 2026-07-13 12:50 · last seen 2026-07-24 12:47 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count26
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
Extensions0005, 000a, 000b, 000d, 0017, 0023, ff01
Signature algorithms0601, 0603, 0401, 0501, 0201, 0403, 0503, 0203, 0202
JA4_rt12d260800_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_0005,000a,000b,000d,0017,0023,ff01_0601,0603,0401,0501,0201,0403,0503,0203,0202
JA4_o (sample)t12d260800_d85d2f642e81_306d2b0c17b0
JA4_ro (sample)t12d260800_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_0601,0603,0401,0501,0201,0403,0503,0203,0202

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
ge11nn040000_e435c873d8ad_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:112+16:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:01
4:114+14:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1460_82

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.362

Country

fingerprintco-occurrences
SG · Singapore2

Network (ASN)

fingerprintco-occurrences
AS9506 · Singtel Fibre Broadband2