""GPL POP3 APOP USER overflow attempt""

SID: 2102409

Revision: 2

Class Type: attempted-admin

Metadata: created_at 2010_09_23, updated_at 2013_03_18

Reference:

  • bugtraq

  • 9794

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: 110

Flow: to_server,established

Contents:

  • Value: "APOP"

Within:

PCRE: "/^APOP\s+USER\s[^\n]{256}/smi"

Special Options:

  • nocase

source