""ET TROJAN APT28 Zebrocy/Zekapab POST Template Structure""

SID: 2044217

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_03_28, deployment Perimeter, malware_family Zekapab, performance_impact Low, signature_severity Major, tag Zebrocy, updated_at 2023_02_16, former_sid 2835618

Reference:

  • md5

  • 961e79a33f432ea96d2c8bf9eb010006

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|Mozilla|20|v5.1|20 28|Windows"

  • Value: "%0D%0AHost%20Name|3a|"

  • Value: "%0D%0AOS%20Name|3a|"

  • Value: "%0D%0AOS%20Configuration|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

source