TLS ClientHello (JA4)

t12d281000_0df5e5c63df4_f30da352415d

first seen 2026-09-25 15:58 · last seen 2026-09-28 08:49 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count28
Extension count10
ALPN00
Ciphers0032, 0033, 0038, 0039, 0040, 0067, 006a, 006b, 009e, 009f, 00a2, 00a3, 00ff, c009, c00a, c013, c014, c023, c024, c027, c028, c02b, c02c, c02f, c030, cca8, cca9, ccaa
Extensions0005, 000a, 000b, 000d, 0011, 0017, 0023, 002b, 0032
Signature algorithms0403, 0503, 0603, 0807, 0808, 0804, 0805, 0806, 0809, 080a, 080b, 0401, 0501, 0601, 0402, 0303, 0301, 0302
JA4_rt12d281000_0032,0033,0038,0039,0040,0067,006a,006b,009e,009f,00a2,00a3,00ff,c009,c00a,c013,c014,c023,c024,c027,c028,c02b,c02c,c02f,c030,cca8,cca9,ccaa_0005,000a,000b,000d,0011,0017,0023,002b,0032_0403,0503,0603,0807,0808,0804,0805,0806,0809,080a,080b,0401,0501,0601,0402,0303,0301,0302
JA4_o (sample)t12d281000_d99beed5f905_9011a877148e
JA4_ro (sample)t12d281000_c02c,c02b,cca9,c030,cca8,c02f,009f,ccaa,00a3,009e,00a2,c024,c028,c023,c027,006b,006a,0067,0040,c00a,c014,c009,c013,0039,0038,0033,0032,00ff_0000,0005,000a,000b,0011,0017,0023,000d,002b,0032_0403,0503,0603,0807,0808,0804,0805,0806,0809,080a,080b,0401,0501,0601,0402,0303,0301,0302

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
ge10nr040000_532a1ee47909_000000000000_00000000000022

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:08
4:55+9:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:07
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:45+19:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:42+22:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_722

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.3622

Country

fingerprintco-occurrences
FI · Finland22

Network (ASN)

fingerprintco-occurrences
AS210006 · Shereverov Marat Ahmedovich12
AS153947 · FAST ZONE IT4
AS132359 · M/S ROBI TRADERS4
AS153622 · Madina IT2