TLS ClientHello (JA4)

t12d120700_d34a8e72043a_036209cd1ead

first seen 2026-06-21 02:02 · last seen 2026-07-08 00:04 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count12
Extension count7
ALPN00
Ciphers002f, 0035, 009c, 009d, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0017, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt12d120700_002f,0035,009c,009d,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0017,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t12d120700_f901973f4d4e_e6b8a58305a9
JA4_ro (sample)t12d120700_c02b,c02c,cca9,c02f,c030,cca8,c013,c014,009c,009d,002f,0035_0000,0017,ff01,000a,000b,0005,000d_0403,0804,0401,0503,0805,0501,0806,0601,0201

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.

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr13engb_f6d9dce53dfa_000000000000_0000000000001
ge11nn14frfr_b791c84bd17a_000000000000_0000000000001
ge11nn14enus_b791c84bd17a_000000000000_0000000000001
ge11nn14svse_b791c84bd17a_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:43+21:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:55+9:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:52+12:0:1460:26883,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_72
26883_2-4-8-1-3_1460_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Mobile Safari/537.361
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.361
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Mobile Safari/537.361
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Mobile Safari/537.361

Country

fingerprintco-occurrences
US · United States1
GB · United Kingdom1
SE · Sweden1
FR · France1

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.1
AS14061 · DigitalOcean, LLC1
AS8473 · Bahnhof AB1
AS395954 · Leaseweb USA, Inc.1