""ET TROJAN Likely Malicious SSL Cert With Script Tags""

SID: 2018768

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2014_07_24, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2014_07_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

Reference:

  • md5

  • 73705a4a8b03e5f866fac821aaec273a

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: ""

  • Value: "|55 04 03|"

Within: 8

PCRE:

Special Options:

source