""ET TROJAN Malicious Dropper Activity (GET)""

SID: 2033289

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_07_09, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_07_09

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 8000:

Flow: established,to_server

Contents:

• Value: "GET"

• Value: "|20|/dwn/"

• Value: !"Referer|3a 20|"

Within:

PCRE: "/Host\x3a\x20\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}/"

Special Options:

• fast_pattern

source