""ET MOBILE_MALWARE Android.KorBanker Fake Banking App Install CnC Beacon""

SID: 2017787

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Android, attack_target Client_Endpoint, created_at 2013_11_28, deployment Perimeter, signature_severity Major, tag Android, tag c2, updated_at 2017_04_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • a68bbfe91fab666daaf2c070db00022f

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/send_sim_no.php|20|HTTP/1."

  • Value: !"Referer|3a 20|"

  • Value: "_no=" Depth: 16

Within:

PCRE:

Special Options:

  • http_method

  • nocase

  • fast_pattern

  • http_header

  • http_client_body

source