TCP SYN (JA4T)

64800_2-4-8-1-3_1440_12

first seen 2026-09-10 13:01 · last seen 2026-09-10 14:13 · JSON

Decomposed attributes

TCP window64800
Option kinds2-4-8-1-3
MSS1440
Window scale12

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
t13d9112h1_0d5420ba6086_ec21bdc2dd354

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_e1d2031bdfea_000000000000_0000000000004

TCP SYN (p0f)

fingerprintco-occurrences
6:51+13:0:1440:mss*45,12:mss,sok,ts,nop,ws:flow:02
6:52+12:0:1440:mss*45,12:mss,sok,ts,nop,ws:flow:02

User-Agent

fingerprintco-occurrences
Mozilla/5.04

Country

fingerprintco-occurrences
BR · Brazil4

Network (ASN)

fingerprintco-occurrences
AS28573 · Claro NXT Telecomunicacoes Ltda4