""ET TROJAN Kimsuky KGH Backdoor Secondary Payload Download Request""

SID: 2031170

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_03, deployment Perimeter, malware_family KGH_Malware_Suite, signature_severity Major, tag Kimsuky, updated_at 2020_11_03

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "GET"

• Value: "?act=news&id="

• Value: "User-Agent|3a 20|Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0."

Within:

PCRE:

Special Options:

• http_method

• http_uri

• fast_pattern

• http_header

source