TLS ClientHello (JA4)

t12d120700_3bab475705cb_0f3b2bcde21d

first seen 2026-06-18 07:54 · last seen 2026-07-19 01:10 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count12
Extension count7
ALPN00
Ciphers002f, 0035, 009c, 009d, c009, c00a, c013, c014, c02b, c02c, c02f, c030
Extensions000a, 000b, 000d, 0017, 0023, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt12d120700_002f,0035,009c,009d,c009,c00a,c013,c014,c02b,c02c,c02f,c030_000a,000b,000d,0017,0023,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t12d120700_7e6f5f1964db_18edba78feb8
JA4_ro (sample)t12d120700_c02b,c02f,c009,c013,c02c,c030,c00a,c014,009c,002f,009d,0035_0000,0017,ff01,000a,000b,0023,000d_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
ge11nn080000_dffb91ef6322_000000000000_0000000000002
ge11nn100000_fafa3d12f3f3_000000000000_0000000000002
ge11nn080000_916d4997cb05_000000000000_0000000000002
ge11nn100000_85b7ab1bffb1_000000000000_0000000000002
ge11nn070000_0fbd822fa489_000000000000_0000000000001
ge11nn090000_9298289b6000_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:43+21:0:1460:65535,8:mss,sok,ts,nop,ws:df,id+,ecn:010

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1460_86

User-Agent

fingerprintco-occurrences
Twitterbot/1.010

Country

fingerprintco-occurrences
US · United States10

Network (ASN)

fingerprintco-occurrences
AS13414 · Twitter Inc.10