SID: 2038973

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_09_26, deployment Perimeter, malware_family Gamaredon, performance_impact Low, signature_severity Major, updated_at 2022_09_26

Reference:

  • md5

  • 5c645e5dcb6bec4ab1bcb3f68421445a

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "user-agent|3a 20|mozilla/5.0"

  • Value: "|3b 3b|"

  • Value: "|3b 3b 2f|"

  • Value: "|2e 0d 0a|"

  • Value: "|20|HTTP/1."

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+\x3b\x3b[^\r\n]+\x3b\x3b\x2f[^\r\n]+\x2e[\r\n]+$/Hmi"

Special Options:

  • http_header

  • http_header

  • http_header

  • fast_pattern

  • http_header

source