""ET WEB_SPECIFIC_APPS Ivanti Pulse Secure Authentication Bypass and Command Injection Attempt (CVE-2023-46805, CVE-2024-21887) M2""

SID: 2050096

Revision: 1

Class Type: attempted-admin

Metadata: affected_product Pulse_Secure, attack_target Networking_Equipment, created_at 2024_01_16, cve CVE_2023_46805_CVE_2024_21887, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_01_16, 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: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|22|type|22 3a|"

  • Value: "|22 3b|"

  • Value: "|22|txtGCPProject|22 3a|"

  • Value: "|22|txtGCPSecret|22 3a|"

  • Value: "|22|txtGCPPath|22 3a|"

  • Value: "|22|txtGCPBucket|22 3a|"

  • Value: "POST /api/v1/totp/user-backup-code/../../system/maintenance/archiving/cloud-server-test-connection"

  • Value: "Content-Type|3a 20|application/json"

Within: 3

PCRE:

Special Options:

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_header

source