TCP SYN (p0f)

4:49+15:0:8960:mss*7,7:mss,sok,ts,nop,ws::0

first seen 2026-06-18 06:33 · last seen 2026-06-18 06:33 · JSON

Decomposed attributes

IP version4
Initial TTL49+15
Options length0
MSS8960
Window sizemss*7
Window scale7
Options layoutmss,sok,ts,nop,ws
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
t12d290700_fc2078a0b8c0_8c06664c3ac51

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_341eb0d8946c_000000000000_0000000000001

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)1

Country

fingerprintco-occurrences
SE · Sweden1

Network (ASN)

fingerprintco-occurrences
AS30893 · No ACK Group Holding AB1