""ET MOBILE_MALWARE Android Malvertising Communication""

SID: 2030266

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2020_06_08, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_06_08

Reference:

  • md5

  • c73cf82c0043463f8079d0540b2634e0

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".php?rand_key="

  • Value: "&packagename="

  • Value: "&imei="

  • Value: "&login="

Within:

PCRE: "/User-Agent\x3a\x20[^\r\n]+\x20U\x3b\x20Android\x20/H"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_uri

source