""ET TROJAN DeathStalker/Powersing CnC Checkin""

SID: 2030726

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2020_08_24, deployment Perimeter, malware_family Powersing, signature_severity Major, tag APT, updated_at 2020_08_24

Reference:

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: "|22|un|22 3a|"

  • Value: "|22|cn|22 3a|"

  • Value: "|22|av|22 3a|"

  • Value: "|22|dob|22 3a|"

  • Value: "|22|os|22 3a|"

  • Value: "|22|ou|22 3a|"

  • Value: "|22|dc|22 3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

source