TLS ClientHello (JA4)

t13d1310h2_72cfd7f16cb0_560390466015

first seen 2026-08-17 22:26 · last seen 2026-08-18 07:07 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count13
Extension count10
ALPNh2
Ciphers002f, 0035, 009c, 009d, 1301, 1302, 1303, c013, c014, c02b, c02c, c030, cca8
Extensions000a, 000b, 000d, 0017, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d1310h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c030,cca8_000a,000b,000d,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d1310h2_32175f98e8bc_8046c3dc2635
JA4_ro (sample)t13d1310h2_1301,1302,1303,c013,c02c,cca8,c014,0035,009d,002f,c030,009c,c02b_0033,0017,000d,002d,0000,ff01,000a,0010,000b,002b_0403,0804,0401,0503,0805,0501,0806,0601

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
ge20nn04enus_989c7cc05c9b_000000000000_0000000000004

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p4

TCP SYN (p0f)

fingerprintco-occurrences
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:53+11:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:01
4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:54+10:0:1460:32768,10:mss,nop,ws,sok,ts::01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_72
42340_2-4-8-1-3_1460_111
32768_2-1-3-4-8_1460_101

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.7 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.6 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.9 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.8 Safari/537.361

Country

fingerprintco-occurrences
US · United States2
DE · Germany1
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS36352 · HostPapa1
AS215125 · Church of Cyberology1
AS197540 · netcup GmbH1
AS62744 · Quintex Alliance Consulting1