TCP SYN (p0f)

4:48+16:0:1300:mss*44,1:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-09-04 06:33 · last seen 2026-09-08 01:44 · JSON

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1300
Window sizemss*44
Window scale1
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+
Payload class0

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
t13d1515h1_8daaf6152771_0a20fe35d3a51
t13d1515h1_8daaf6152771_de4a06bb82e31

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000001
ge11nn14enus_4a2973d235de_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1300_12

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
BR · Brazil1
AR · Argentina1

Network (ASN)

fingerprintco-occurrences
AS28111 · Grupo Solunet SRL1
AS269633 · LINK CEARA TELECOM LTDA1