""ET TROJAN WEBC2-CSON Checkin - APT1 Related""

SID: 2016460

Revision: 8

Class Type: trojan-activity

Metadata: created_at 2011_10_06, former_category MALWARE, updated_at 2022_05_03

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

• Value: "/Default.aspx?INDEX="

• Value: !"User-Agent|3a| Mozilla "

Within:

PCRE: "/\?INDEX=[A-Z]{10}$/U"

Special Options:

• http_uri

• http_header

source