""ET TROJAN Volatile Cedar Win32.Explosive HTTP CnC Beacon 1""

SID: 2020812

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_03_31, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_03_31, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: ".php?win="

• Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b| MSIE 7.0|3b| MSIE 6.0|3b| Windows NT 5.1|3b| .NET CLR 2.0.50727)"

Within:

PCRE:

Special Options:

• http_uri

• http_header

source