""ET MOBILE_MALWARE APT33/Charming Kitten Android/LittleLooter Activity (POST)""

SID: 2033686

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2021_08_09, deployment Perimeter, signature_severity Major, updated_at 2021_08_09

Reference:

  • md5

  • a04c2c3388da643ef67504ef8c6907fb

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|3b 20|Android|20|"

  • Value: ".xyz|0d 0a|"

  • Value: "sk=" Depth: 3

  • Value: "&cs="

  • Value: "POST|20|/|20|HTTP/1.1"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.xyz/Hmi"

Special Options:

  • http_header

  • http_header

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

source