""ET TROJAN APT OSX.XSLCmd CnC Beacon""

SID: 2019136

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_09_08, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_09_08, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

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: "/compose.aspx?s="

  • Value: "User-Agent|3a| Mozilla/4.0 (compatible|3b| MSIE 6.0|3b| Windows NT 5.1)"

  • Value: "Accept-Language|3a| zh-cn|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

source