Rule History

SID: 2033516 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jul 28, 2021, 12:00 PM

Message:

ET EXPLOIT ysoserial Payload in HTTP Header (CommonsCollections5/MozillaRhino1/Vaadin) M2

Rule:

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT ysoserial Payload in HTTP Header (CommonsCollections5/MozillaRhino1/Vaadin) M2"; flow:established,to_server; http.header; content:"/+vADGAwAABQBzAHIAAAAuAGoAYQB2AGEAeAAuAG0AYQBuAGEAZwBlAG0AZQBuAHQALgBCAGEAZABBAHQAdAByAGkAYgB1AH"; fast_pattern; classtype:attempted-admin; sid:2033516; rev:1; metadata:attack_target Server, created_at 2021_07_28, deployment Perimeter, deployment Internal, malware_family ysoserial, confidence High, signature_severity Major, tag Exploit, tag possible_exploitation, updated_at 2021_07_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)

Created:

Jul 28, 2021, 12:00 PM

Updated:

Jul 28, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 21, 2024, 3:00 AM

Filename:

rules/emerging-exploit.rules