""ET TROJAN CHAINLINE Web Shell Activity Observed""

SID: 2050650

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Ivanti, attack_target Networking_Equipment, created_at 2024_01_31, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_01_31

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "POST"

• Value: "/api/v1/cav/client/health"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• fast_pattern

source