""ET CURRENT_EVENTS DRIVEBY [PwC CTD] -- MultiGroup - TH3BUG and Non-Targetted Groups Watering Hole Deobfuscation function""

SID: 2020563

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2015_02_25, deployment Perimeter, signature_severity Major, tag DriveBy, updated_at 2015_02_25

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "Chr(CInt(ns(i)) Xor n)"

Within:

PCRE:

Special Options:

  • file_data

source