""ET TROJAN Sakula/Mivast RAT CnC Beacon 3""

SID: 2021201

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_06_08, 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: "GET"

• Value: ".asp?resid="

• Value: "&photoid="

• Value: !"Accept-"

• Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• http_uri

• http_header

• http_header

source