""ET TROJAN APT28 Zebrocy/Zekapab CnC Checkin""

SID: 2044218

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 2019_04_25, deployment Perimeter, malware_family Zebrocy, performance_impact Low, signature_severity Major, tag APT, updated_at 2023_02_16, former_sid 2836072

Reference:

  • md5

  • d09b5ae50e7ce1eb2db2e5d72292e907

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: ".php"

  • Value: "User-Agent|3a 20|browser|0d|"

  • Value: "|0d 0a|Host|20|Name|3a|" Depth: 300

  • Value: "OS|20|Configuration|3a|"

  • Value: "|0d 0a|Registered|20|Organization|3a|"

  • Value: "Original|20|Install|20|Date|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source