""ET TROJAN JS/WSF Downloader Dec 08 2016 M4""
SID: 2023672
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_12_19, deployment Perimeter, signature_severity Major, updated_at 2016_12_23
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: from_server,established
Contents:
-
Value: "Content-Type|3a 20|image|2f|"
-
Value: "MZ"
-
Value: "PE|00 00|"
Within: 4
PCRE:
Special Options:
-
http_header
-
file_data
-
fast_pattern