""ET WEB_SERVER Likely Malicious Request for /proc//cmdline""

SID: 2041449

Revision: 2

Class Type: web-application-attack

Metadata: attack_target Web_Server, created_at 2022_12_01, updated_at 2022_12_01

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: [$HTTP_SERVERS,$HOME_NET]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/proc/"

  • Value: "/cmdline"

Within:

PCRE: "/\/proc\/\d+\/cmdline$/U"

Special Options:

  • http_uri

  • nocase

  • http_uri

  • nocase

  • fast_pattern

source