""ET TROJAN Observed Malicious Filename in Outbound POST Request (Browsers/Cookies/Microsoft Edge_)""

SID: 2035366

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2022_03_01, deployment Perimeter, signature_severity Major, updated_at 2022_03_01

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: "Browsers/Cookies/Microsoft Edge_"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_client_body

source