""ET TROJAN NoMercy Data Exfiltration M1""

SID: 2037739

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_11, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_11

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: "/b?sysinfocli" Depth: 13

  • Value: "uid="

  • Value: "version="

  • Value: !"User-Agent|3a 20|"

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

  • http_header

source