TCP SYN (JA4T)

65535_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1300_9

first seen 2026-09-27 11:39 · last seen 2026-09-30 04:31 · JSON

Decomposed attributes

TCP window65535
Option kinds2-4-1-1-1-1-1-1-1-1-1-1-1-3
MSS1300
Window scale9

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
t13d1516h2_8daaf6152771_806a8c22fdea Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +28 more.The fingerprint page shows the full measured match list. More on the catalog.3
t13d1516h2_8daaf6152771_02713d6af862 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog.1
t13d1513h2_8daaf6152771_eca864cca44a1
t13d1713h1_5b57614c22b0_eca864cca44a1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn020000_fb4f949fd323_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.6, powershell 7.6.8.The fingerprint page shows the full measured match list. More on the catalog.1
ge11nn040000_4f6f4aad0c1e_000000000000_0000000000001
ge20nn14zhcn_00c893c2b404_000000000000_0000000000001
ge20nr14zhcn_e6dae214b9be_000000000000_0000000000001
ge20nr10zhcn_f7ad313dcc59_000000000000_0000000000001
ge20nn12zhcn_c0858481ddaa_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +57 more.The fingerprint page shows the full measured match list. More on the catalog.3
4:16777216|16711681|0|m,p,a,s1
1:65536;2:0;4:6291456;6:262144|15663105|7:1:0:256|m,a,s,p1

TCP SYN (p0f)

fingerprintco-occurrences
6:239+16:0:1300:65535,9:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:flow:03
6:48+16:0:1300:65535,9:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:flow:02
6:45+19:0:1300:65535,9:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:flow:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.0.0 Mobile Safari/537.36 EdgA/153.0.0.02
Dalvik/2.1.0 (Linux; U; Android 16; 2407FRK8EC Build/BP2A.250605.031.A3)2
Mozilla/5.0 (Linux; Android 11; V2118A Build/RP1A.200720.012) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/131.0.6778.200 Mobile Safari/537.361
Mozilla/5.0 (Linux; Android 16; BVL-AN00 Build/HONORBVL-AN00; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/150.0.7871.189 Mobile Safari/537.36 XWEB/1500145 MMWEBSDK/20260901 MMWEBID/3256 REV/393ae3b1378878569d40921bf3fd2541a88e0842 MicroMessenger/8.0.78.3180(0x28004E36) WeChat/arm64 Weixin NetType/5G Language/zh_CN ABI/arm641

Country

fingerprintco-occurrences
CN · China6

Network (ASN)

fingerprintco-occurrences
AS9808 · China Mobile Communications Group Co., Ltd.3
AS4134 · CHINANET BACKBONE2
AS56040 · China Mobile communications corporation1