""ET TROJAN MSIL/GravityRAT CnC Checkin M2""

SID: 2031061

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_10_19, deployment Perimeter, malware_family GravityRAT, signature_severity Major, updated_at 2020_10_19

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: ".php"

  • Value: "signatureHash="

  • Value: "signatureString="

  • Value: "userName="

  • Value: "pcName="

  • Value: "macId="

  • Value: "cpuId="

  • Value: "agent="

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source