""ET MALWARE Dropspam.com Spyware Install User-Agent (DSInstall)""

SID: 2003439

Revision: 15

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, updated_at 2019_08_14, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "DSInstall"

Within:

PCRE: "/User-Agent\:[^\n]+DSInstall/iH"

Special Options:

  • http_header

source