""ET TROJAN W32/NSIS.TrojanDownloader Second Stage Download Instructions from Server""

SID: 2014312

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2012_03_06, updated_at 2012_03_06

Reference:

  • md5

  • 3ce5da32903b52394cff2517df51f599

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|3B 20|Ini download file modue"

  • Value: "DownUrl="

  • Value: "FileName="

  • Value: "SaveType="

Within:

PCRE: "/FileName\x3D[^\r\n]*\x2E(dll|exe)/i"

Special Options:

  • file_data

  • nocase

  • nocase

  • nocase

  • nocase

source