""ET WEB_SERVER Simple JSP WebShell Landing Page""

SID: 2049405

Revision: 1

Class Type: attempted-user

Metadata: attack_target Server, created_at 2023_11_30, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag WebShell, updated_at 2023_11_30, mitre_tactic_id TA0003, mitre_tactic_name Persistence, mitre_technique_id T1505, mitre_technique_name Server_Software_Component

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: $HTTP_PORTS

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "|3c|HTML|3e 3c|BODY|3e|"

• Value: "Commands with JSP"

Within: 20

PCRE:

Special Options:

• file_data

source