""ET TROJAN ARM Binary Downloaded via WGET Containing Suspicious Netcat Command - Possible IoT Malware""

SID: 2024241

Revision: 1

Class Type: trojan-activity

Metadata: attack_target IoT, created_at 2017_04_25, deployment Perimeter, signature_severity Major, updated_at 2017_04_25

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "|25|24|25|28nc+"

  • Value: "+-e+|25|2Fbin|25|2Fsh|25|29"

Within: 50

PCRE:

Special Options:

  • fast_pattern

source