TCP SYN (JA4T)

64240_2-4-8-1-3_1400_11

first seen 2026-07-20 23:08 · last seen 2026-07-20 23:30 · JSON

Decomposed attributes

TCP window64240
Option kinds2-4-8-1-3
MSS1400
Window scale11

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
t13d871100_c66346c74e42_24695f2957a72

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn16enus_7a2bab1d33b1_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1400:mss*44,11:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1400:mss*44,11: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/135.0.0.0 Safari/537.362

Country

fingerprintco-occurrences
DE · Germany2

Network (ASN)

fingerprintco-occurrences
AS41378 · Kirino LLC2