SID: 2035039

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_02_02, deployment Perimeter, malware_family Gamaredon, performance_impact Moderate, signature_severity Major, updated_at 2022_02_02

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: "/help_"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/Accept-Language\x3a\x20[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+\r\n/Hm"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source