TCP SYN (p0f)

4:54+10:0:1460:mss*44,10:mss,sok,ts,nop,ws::0

first seen 2026-09-15 22:49 · last seen 2026-09-19 06:04 · JSON

Decomposed attributes

IP version4
Initial TTL54+10
Options length0
MSS1460
Window sizemss*44
Window scale10
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_8c06664c3ac53

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_bfa5a9b89dd6_000000000000_0000000000002
ge11nn05en00_61812dc1cc58_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_103

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)3

Country

fingerprintco-occurrences
UA · Ukraine3

Network (ASN)

fingerprintco-occurrences
AS48230 · LLC MONOLITH.NET3