""ET MOBILE_MALWARE iOS/Xsser Checkin""

SID: 2019331

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2014_10_01, updated_at 2014_10_01, mitre_tactic_id TA0037, 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: to_server,established

Contents:

• Value: "GET"

• Value: "/TargetConnect.aspx"

• Value: "&tIMEI="

• Value: "&tIMSI="

Within:

PCRE:

Special Options:

• http_method

• nocase

• http_uri

• http_uri

• http_uri

source