TCP SYN (p0f)

4:45+19:0:1344:mss*16,5:mss,nop,ws,sok,ts:df,id+:0

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

Decomposed attributes

IP version4
Initial TTL45+19
Options length0
MSS1344
Window sizemss*16
Window scale5
Options layoutmss,nop,ws,sok,ts
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

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
21504_2-1-3-4-8_1344_51

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
MY · Malaysia1

Network (ASN)

fingerprintco-occurrences
AS10030 · Celcom Axiata Berhad1