""ET EXPLOIT Pulse Secure Post-Auth OS Command Injection (CVE-2019-11539)""

SID: 2034014

Revision: 2

Class Type: attempted-admin

Metadata: affected_product Pulse_Secure, attack_target Server, created_at 2021_09_23, cve CVE_2019_11539, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, signature_severity Major, tag Exploit, updated_at 2021_09_23, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services

Reference:

  • cve

  • 2019-11539

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/dana-admin/diag/diag.cgi"

  • Value: "&options="

  • Value: "-r"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

source