TCP SYN (JA4T)

64240_2-4-8-1-3_1436_9

first seen 2026-09-17 01:32 · last seen 2026-09-17 14:47 · JSON

Decomposed attributes

TCP window64240
Option kinds2-4-8-1-3
MSS1436
Window scale9

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
t13d4913h2_bd868743f55c_70ae442191752

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn05enus_700af8386543_000000000000_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:1000;2:0;4:6291456;1:4096|15663105|0|s,m,p,a2

TCP SYN (p0f)

fingerprintco-occurrences
4:47+17:0:1436:mss*44,9:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1436:mss*44,9:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.362

Country

fingerprintco-occurrences
RO · Romania2

Network (ASN)

fingerprintco-occurrences
AS215659 · Aokigahara SRL2