""ET MALWARE Potentially Unwanted Application AirInstaller CnC Beacon""

SID: 2020701

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_03_17, deployment Perimeter, signature_severity Major, tag c2, updated_at 2019_08_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • e89ec5e8f89ee6ae4a6b65157c886614

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: !"Accept"

  • Value: !"Referer|3a|"

  • Value: "/log/?"

  • Value: "="

  • Value: "&d="

  • Value: "&o="

  • Value: "&r="

  • Value: "&s="

  • Value: "&t="

Within: 1

PCRE: "/^\/(?:[^\x2f]+\/)*log\/\?[bc]=/U"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

source