""ET INFO Possible JARM Fingerprinting Client Hello via tls1_2_top_half""
SID: 2036692
Revision: 1
Class Type: misc-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_05_25, deployment Perimeter, deployment SSLDecrypt, signature_severity Informational, updated_at 2022_05_25
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "|c0 12 c0 07 cc 14 13 01 13 02 cc a9 c0 73 c0 72 c0 2c c0 af c0 ad c0 24 c0 0a c0 2b c0 ae c0 ac c0 23 c0 09 c0 08 00 9a 00 c4 00 88 00 be 00 45 00 9f c0 a3 c0 9f 00 6b 00 39 00 9e c0 a2 c0 9e 00 67 00 33 00 16|"
-
Value: "|08|http/0.9|08|http/1.0|08|http/1.1|06|spdy/1|06|spdy/2|06|spdy/3|02|h2|03|h2c|02|hq"
Within:
PCRE:
Special Options:
- fast_pattern