""ET WEB_SERVER base64_decode in UA""

SID: 2016416

Revision: 1

Class Type: bad-unknown

Metadata: created_at 2013_02_16, updated_at 2013_02_16

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "base64_decode("

Within:

PCRE: "/^User-Agent\x3a[^\r\n]base64_decode\x28/Hmi"

Special Options:

  • http_header

  • nocase

source