TLS ClientHello (JA4)

t13d871100_c66346c74e42_24695f2957a7

first seen 2026-07-20 23:08 · last seen 2026-07-23 23:46 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count87
Extension count11
ALPN00
Ciphers002f, 0032, 0033, 0034, 0035, 0038, 0039, 003a, 003c, 003d, 0040, 0041, 0044, 0045, 0046, 0067, 006a, 006b, 006c, 006d, 0084, 0087, 0088, 0089, 009c, 009d, 009e, 009f, 00a2, 00a3, 00a6, 00a7, 00ba, 00bd, 00be, 00bf, 00c0, 00c3, 00c4, 00c5, 00ff, 1301, 1302, 1303, c009, c00a, c013, c014, c018, c019, c023, c024, c027, c028, c02b, c02c, c02f, c030, c050, c051, c052, c053, c056, c057, c05c, c05d, c060, c061, c072, c073, c076, c077, c09c, c09d, c09e, c09f, c0a0, c0a1, c0a2, c0a3, c0ac, c0ad, c0ae, c0af, cca8, cca9, ccaa
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, 0203, 0301, 0201, 0302, 0202, 0402, 0502, 0602
JA4_rt13d871100_002f,0032,0033,0034,0035,0038,0039,003a,003c,003d,0040,0041,0044,0045,0046,0067,006a,006b,006c,006d,0084,0087,0088,0089,009c,009d,009e,009f,00a2,00a3,00a6,00a7,00ba,00bd,00be,00bf,00c0,00c3,00c4,00c5,00ff,1301,1302,1303,c009,c00a,c013,c014,c018,c019,c023,c024,c027,c028,c02b,c02c,c02f,c030,c050,c051,c052,c053,c056,c057,c05c,c05d,c060,c061,c072,c073,c076,c077,c09c,c09d,c09e,c09f,c0a0,c0a1,c0a2,c0a3,c0ac,c0ad,c0ae,c0af,cca8,cca9,ccaa_000a,000b,000d,0015,0016,0017,0023,002b,002d,0033_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0203,0301,0201,0302,0202,0402,0502,0602
JA4_o (sample)t13d871100_b64dfb566156_a39c8fe20b95
JA4_ro (sample)t13d871100_1302,1303,1301,c02c,c030,00a3,009f,cca9,cca8,ccaa,c0af,c0ad,c0a3,c09f,c05d,c061,c057,c053,00a7,c02b,c02f,00a2,009e,c0ae,c0ac,c0a2,c09e,c05c,c060,c056,c052,00a6,c024,c028,006b,006a,c073,c077,00c4,00c3,006d,00c5,c023,c027,0067,0040,c072,c076,00be,00bd,006c,00bf,c00a,c014,0039,0038,0088,0087,c019,003a,0089,c009,c013,0033,0032,0045,0044,c018,0034,0046,009d,c0a1,c09d,c051,009c,c0a0,c09c,c050,003d,00c0,003c,00ba,0035,0084,002f,0041,00ff_0000,000b,000a,0023,0016,0017,000d,002b,002d,0033,0015_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0203,0301,0201,0302,0202,0402,0502,0602

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_7a2bab1d33b1_000000000000_0000000000003

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1400:mss*44,11:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1400:mss*44,11:mss,sok,ts,nop,ws:df,id+:01
4:55+9:0:1332:65535,8:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1400_112
65535_2-4-8-1-3_1332_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.363

Country

fingerprintco-occurrences
DE · Germany2
GB · United Kingdom1

Network (ASN)

fingerprintco-occurrences
AS41378 · Kirino LLC2
AS60024 · HK CEDOC LIMITED1