TCP SYN (JA4T)

64240_2-4-8-1-3-34-1-1_1460_12

first seen 2026-07-18 20:44 · last seen 2026-07-26 07:35 · JSON

Decomposed attributes

TCP window64240
Option kinds2-4-8-1-3-34-1-1
MSS1460
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
t13d1516h1_8daaf6152771_d8a2da3f94cd5

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn14enus_f373e780f670_000000000000_0000000000003
po11nr15enus_09e4ed5d8ed5_000000000000_0000000000001
ge11nr13enus_e965362ed9da_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:57+7:0:1460:mss*44,12:mss,sok,ts,nop,ws,?34,nop,nop:df,id+:05

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
US · United States5

Network (ASN)

fingerprintco-occurrences
AS396982 · Google LLC5