""ET WEB_SERVER HTTP POST Generic eval of base64_decode""

SID: 2019182

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2014_09_16, updated_at 2014_09_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"

  • Value: "eval"

Within:

PCRE: "/^[\r\n\s]?\x28[\r\n\s]?base64_decode/Rsi"

Special Options:

  • nocase

  • http_client_body

  • nocase

source