""ET TROJAN Sakula/Mivast RAT CnC Beacon 1""

SID: 2016139

Revision: 4

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2013_01_03, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_06_08, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 3cd598e8e2fd033134d8784251eff59e

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: ".asp?imageid="

  • Value: !"Content-Type|3a|"

  • Value: !"Accept-"

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_uri

  • http_header

  • http_header

  • http_header

source