TCP SYN (JA4T)

65520_2-1-1-4-1-3_1260_6

first seen 2026-07-01 15:03 · last seen 2026-07-01 15:03 · JSON

Decomposed attributes

TCP window65520
Option kinds2-1-1-4-1-3
MSS1260
Window scale6

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
t13d591000_a33745022dd6_5ac7197df9d21

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn15zhcn_d9d4e0cdc672_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:46+18:0:1260:mss*52,6:mss,nop,nop,sok,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/130.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
SG · Singapore1

Network (ASN)

fingerprintco-occurrences
AS132203 · Tencent Building, Kejizhongyi Avenue1