Rule History

SID: 2033855 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Aug 31, 2021, 12:00 PM

Message:

ET EXPLOIT Possible JNBridge Java Deserialization Attempt M3

Rule:

alert tcp any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Possible JNBridge Java Deserialization Attempt M3"; flow:established,to_server; content:"JNB"; startswith; pcre:"/^\d[012345]/R"; content:".exec|28|"; fast_pattern; classtype:attempted-admin; sid:2033855; rev:1; metadata:created_at 2021_08_31, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_31;)

Created:

Aug 31, 2021, 12:00 PM

Updated:

Aug 31, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 9, 2025, 9:34 PM

Filename:

rules/emerging-exploit.rules