""ET TROJAN W32/Numnet.Downloader CnC Checkin 1""

SID: 2015020

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2012_07_04, updated_at 2012_07_04

Reference:

  • md5

  • fbc732c7cd1bbd84956b1e76b53384da

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/counter/mac_proc.php?cid="

  • Value: "&mid="

  • Value: "User-Agent|3A| internet|0D 0A|"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source