""ET WEB_SPECIFIC_APPS Possible SharePoint RCE Attempt (CVE-2019-0604)""

SID: 2027345

Revision: 3

Class Type: attempted-admin

Metadata: attack_target Web_Server, created_at 2019_05_10, cve CVE_2019_0604, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2019_09_23

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "Picker.aspx?PickerDialogType=Microsoft.SharePoint"

  • Value: "ctl00|25|24PlaceHolderDialogBodySection|25|24ctl05|25|24hiddenSpanData|3d5f5f|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • nocase

  • http_client_body

  • nocase

source