""ET MALWARE RelevantKnowledge Adware CnC Beacon""

SID: 2018174

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_02_26, deployment Perimeter, signature_severity Major, tag c2, updated_at 2017_10_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • d93b888e08693119a1b0dd3983b8d1ec

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: "X-OSSProxy|3a|"

  • Value: "&os="

  • Value: "&osmajorver="

  • Value: "&osminorver="

  • Value: "&osmajorsp="

  • Value: "&lang="

  • Value: "&country="

  • Value: "&ossname="

  • Value: "&brand="

  • Value: "&bits="

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

source