""ET TROJAN Win32/PSW.Agent.OMP Variant CnC Activity""

SID: 2033732

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 2021_08_13, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_08_13

Reference:

  • md5

  • 61f9fc4c3fe06dca2fcaa678144bb59a

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: ".php"

  • Value: "User-Agent|3a 20|Mozilla/5.0|0d 0a|"

  • Value: "pc=" Depth: 3

  • Value: "&g-passwds="

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • fast_pattern

  • http_client_body

source