""ET EXPLOIT Possible JNBridge Java Deserialization Attempt (Wide) M1""
SID: 2033850
Revision: 1
Class Type: attempted-admin
Metadata: attack_target Server, created_at 2021_08_31, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2021_08_31, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application
Reference:
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "JNB" Depth: 3
-
Value: "r|00|u|00|n|00|C|00|o|00|m|00|m|00|a|00|n|00|d"
Within:
PCRE: "/^\d[012345]/R"
Special Options:
- fast_pattern