TLS ClientHello (JA4)

t13d161100_1711a4c0508c_d41ae481755e

first seen 2026-06-23 16:54 · last seen 2026-06-23 16:55 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count16
Extension count11
ALPN00
Ciphers002f, 0035, 009c, 009d, 00ff, 1301, 1302, 1303, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0015, 0016, 0017, 0023, 002b, 002d, 0033
Signature algorithms0403, 0503, 0603, 0807, 0808, 0809, 080a, 080b, 0804, 0805, 0806, 0401, 0501, 0601, 0303, 0301, 0302, 0402, 0502, 0602
JA4_rt13d161100_002f,0035,009c,009d,00ff,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0015,0016,0017,0023,002b,002d,0033_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301,0302,0402,0502,0602
JA4_o (sample)t13d161100_6f6fd6083dfd_aaa1579dc5ae
JA4_ro (sample)t13d161100_1302,1303,1301,c02b,c02f,c02c,c030,cca9,cca8,c013,c014,009c,009d,002f,0035,00ff_0000,000b,000a,0023,0016,0017,000d,002b,002d,0033,0015_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301,0302,0402,0502,0602

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
ge11nn16enus_e0c57570b25f_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1396:mss*44,7:mss,sok,ts,nop,ws:df,id+,ecn:02

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.362

Country

fingerprintco-occurrences
US · United States2

Network (ASN)

fingerprintco-occurrences
AS7941 · Internet Archive2