SID: 2043157

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_12_30, deployment Perimeter, signature_severity Major, updated_at 2022_12_30

Reference:

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: "-a"

  • Value: "1.msi"

Within: 5

PCRE: "/-a[0-9]{5}1.msi$/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

source