""ET ACTIVEX AVTECH Software ActiveX _DownloadPBClose Method Buffer Overflow Attempt""

SID: 2011204

Revision: 4

Class Type: attempted-user

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Major, tag ActiveX, updated_at 2010_10_15

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "<OBJECT "

  • Value: "classid"

  • Value: "clsid"

  • Value: "8214B72E-B0CD-466E-A44D-1D54D926038D"

  • Value: "_DownloadPBClose"

Within:

PCRE:

Special Options:

  • file_data

  • nocase

  • nocase

  • nocase

  • nocase

  • nocase

source