""ET TROJAN APT29/CloakedUrsa Google Drive Authentication (POST)""

SID: 2037797

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_20, deployment Perimeter, deployment SSLDecrypt, malware_family APT29, malware_family Cloaked_Ursa, signature_severity Major, updated_at 2022_07_20

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: "/token" Depth: 6

  • Value: "refresh_token=1//0czAXEdbKrikVCgYIARAAGAwSNwF-L9IrjcOVo9aYPFogMEutV6W3cSJMh195N7Ty2cHvtpXf3FNQ9QKDHwN5SKG9FmrMSw5fnsI&grant_type=refresh_token&client_id=477421423157-doqkohd8ihvnpgtsnbld4e4kd1lbs01b.apps.googleusercontent.com&client_secret=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"

  • Value: "|0d 0a|User-Agent|3a 20|google|2d|api|2d|dotnet|2d|client"

  • Value: "|0d 0a|Host|3a 20|oauth2.googleapis.com"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

source