""ET INFO Generic IOT Downloader Malware in POST (Inbound)""

SID: 2029011

Revision: 3

Class Type: bad-unknown

Metadata: affected_product Linux, attack_target IoT, created_at 2019_11_20, deployment Perimeter, signature_severity Minor, updated_at 2024_01_31

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "wget"

  • Value: ".sh|3b 20|chmod +x "

  • Value: "|3b 20|./"

Within: 100

PCRE:

Special Options:

  • http_method

  • http_client_body

  • fast_pattern

source