""ET INFO Download file with BITS via LNK file (Likely Malicious)""

SID: 2021092

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_05_13, updated_at 2015_05_13

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

• Value: "|4c 00 00 00|"

• Value: "|00|b|00|i|00|t|00|s|00|a|00|d|00|m|00|i|00|n|00|"

• Value: "|00|t|00|r|00|a|00|n|00|s|00|f|00|e|00|r|00|"

Within: 4

PCRE:

Special Options:

• file_data

• nocase

• nocase

source