""ET WEB_SPECIFIC_APPS Possible Ivanti Pulse Secure Authentication Bypass and Command Injection Attempt (CVE-2023-46805, CVE-2024-21887) M1""

SID: 2050131

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Pulse_Secure, attack_target Networking_Equipment, created_at 2024_01_17, cve CVE_2023_46805_CVE_2024_21887, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_01_17, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services

Reference:

  • cve

  • 2024-21887

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/api/v1/totp/"

  • Value: "./"

  • Value: "./"

Within:

PCRE: "/^(GE|POS)T/"

Special Options:

  • fast_pattern

source