""ET TROJAN Possible APT17 CnC Content in Public Website""

SID: 2021116

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_05_19, updated_at 2015_05_19

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

• Value: "@MICR0S0FT"

• Value: "C0RP0RATI0N"

Within: 11

PCRE: "/^[a-zA-Z0-9]{8}/R"

Special Options:

• file_data

source