TCP SYN (JA4T)

27136_2-4-8-1-3_1320_7

first seen 2026-07-19 14:54 · last seen 2026-07-19 14:54 · JSON

Decomposed attributes

TCP window27136
Option kinds2-4-8-1-3
MSS1320
Window scale7

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
t12d210700_76e208dd3e22_2dae41c691ec1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_cd680697de12_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.5, powershell 7.6.4, go-net/http 1.27.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
6:50+14:0:1320:27136,7:mss,sok,ts,nop,ws::01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Microsoft Windows 10.0.19045; en-US) PowerShell/7.6.01

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS11878 · tzulo, inc.1