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{
"name": "ja3",
"meta-category": "network",
"description": "JA3 is a new technique for creating SSL client fingerprints that are easy to produce and can be easily shared for threat intelligence. Fingerprints are composed of Client Hello packet; SSL Version, Accepted Ciphers, List of Extensions, Elliptic Curves, and Elliptic Curve Formats. https://github.com/salesforce/ja3",
"version": 4,
"uuid": "09b45449-5d6e-492c-a68a-cb2e188cbfac",
"attributes": {
"ja3-fingerprint-md5": {
"description": "Hash identifying source",
"misp-attribute": "ja3-fingerprint-md5",
"ui-priority": 1
},
"description": {
"description": "Type of detected software ie software, malware",
"misp-attribute": "text",
"ui-priority": 1
},
"ip-src": {
"description": "Source IP Address",
"misp-attribute": "ip-src",
"ui-priority": 1
},
"ip-dst": {
"description": "Destination IP address",
"misp-attribute": "ip-dst",
"ui-priority": 1
},
"first-seen": {
"misp-attribute": "datetime",
"disable_correlation": true,
"ui-priority": 0,
"description": "First seen of the SSL/TLS handshake"
},
"last-seen": {
"misp-attribute": "datetime",
"disable_correlation": true,
"description": "Last seen of the SSL/TLS handshake",
"ui-priority": 0
}
},
"required": [
"ja3-fingerprint-md5"
]
}
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