SID: 2045809

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_05_22, deployment Perimeter, malware_family Gamaredon, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_22

Reference:

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: "Host|3a 20|80.90.181.24|0d 0a|"

Within:

PCRE: "/\/[a-z]{2,5}.[0-9]{2}.[0-9]{2}.gif\/[a-z]{2,20}\/[a-z]{2,20}.jpeg$/Ui"

Special Options:

  • http_method

  • fast_pattern

  • http_header

source