""ET TROJAN Win32/Valak Variant CnC""

SID: 2030853

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2020_09_11, performance_impact Low, updated_at 2020_09_11

Reference:

  • md5

  • dfd424684f3a5c44ff425c7fe425ca8b

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".php?hst="

Within:

PCRE: "/User-Agent[^\r\n]+WindowsPowerShell\//H"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

source