TCP SYN (JA4T)

42340_2-4-8-1-3_1412_6

first seen 2026-09-04 02:26 · last seen 2026-09-29 01:17 · JSON

Decomposed attributes

TCP window42340
Option kinds2-4-8-1-3
MSS1412
Window scale6

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.

TLS ClientHello (JA4)

fingerprintco-occurrences
t13d1515h1_8daaf6152771_de4a06bb82e35
t13d1515h1_8daaf6152771_0a20fe35d3a53

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000007
ge11nn14enus_4a2973d235de_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:47+17:0:1412:mss*29,6:mss,sok,ts,nop,ws:df,id+:02
4:244+11:0:1412:mss*29,6:mss,sok,ts,nop,ws:df,id+:01
4:50+14:0:1412:mss*29,6:mss,sok,ts,nop,ws:df,id+:01
4:48+16:0:1412:mss*29,6:mss,sok,ts,nop,ws:df,id+:01
4:43+21:0:1412:mss*29,6:mss,sok,ts,nop,ws:df,id+:01
4:52+12:0:1412:mss*29,6:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1412:mss*29,6:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
CR · Costa Rica2
TH · Thailand1
SA · Saudi Arabia1
AL · Albania1
SV · El Salvador1
DO · Dominican Republic1
BA · Bosnia & Herzegovina1

Network (ASN)

fingerprintco-occurrences
AS14754 · TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIMA2
AS45758 · Advanced Wireless Network Company Limited1
AS25019 · Saudi Telecom Company JSC1
AS52263 · Telecable Economico S.A.1
AS21183 · Vodafone Albania Sh.A.1
AS39826 · Terc Trade Company d.o.o.1
AS272911 · FALCO TELECOM, S.R.L.1