""ET EXPLOIT Linksys E-Series Device RCE Attempt""

SID: 2026102

Revision: 3

Class Type: attempted-admin

Metadata: attack_target Networking_Equipment, created_at 2018_09_10, deployment Perimeter, malware_family Mirai, signature_severity Informational, updated_at 2019_03_25

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: ".cgi"

  • Value: "ttcp_ip="

  • Value: "-h"

  • Value: "&ttcp_num="

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

source