SID: 2036682

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_05_26, deployment Perimeter, malware_family Gamaredon, signature_severity Major, updated_at 2022_05_26

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: "|3a 3a|"

  • Value: "_"

  • Value: "|3a 3a|/."

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+\x3a\x3a[^\r\n]+_[^\r\n]+\x3a\x3a\/./Hmi"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

  • fast_pattern

  • http_header

source