""ET TROJAN CORESHELL Malware Response from server""

SID: 2019584

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2014_10_29, updated_at 2015_04_27

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "O|00|K|00 00|"

Within: 5

PCRE: "/^\x00(?:(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4}))?$/R"

Special Options:

  • file_data

source