Rule History

SID: 2033524 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Jul 28, 2021, 12:00 PM

Message:

ET EXPLOIT ysoserial Payload in HTTP Header (Groovy1) M1

Rule:

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT ysoserial Payload in HTTP Header (Groovy1) M1"; flow:established,to_server; http.header; content:"//68AMYDAAAFAHMAcgAAABMAagBhAHYAYQAuAHUAdABpAGwALgBIAGEAcwBoAHQAYQBiAGwAZQATAFclDwAlACEASgCjA1Ul"; fast_pattern; classtype:attempted-admin; sid:2033524; rev:2; metadata:attack_target Server, created_at 2021_07_28, deployment Perimeter, deployment Internal, deprecation_reason Duplicate, malware_family ysoserial, confidence High, signature_severity Major, tag Exploit, tag possible_exploitation, updated_at 2023_07_06, 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 6, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-exploit.rules