""ET TROJAN Possible Evil Macro Downloading Trojan Dec 16 2015 Post to EXE""

SID: 2022270

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2015_12_17, performance_impact Moderate, updated_at 2024_04_22

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "POST"

• Value: ".exe"

• Value: !"Referer|3a|"

• Value: "Content-Length|3a 20|0|0d 0a|Connection|3a 20|"

• Value: "Accept|3a 20|/|0d 0a|" Depth: 13

• Value: "Accept-Encoding|3a 20|gzip, deflate|0d 0a|User-Agent|3a 20|Mozilla/4.0 (compatible|3b| MSIE 7.0|3b|"

Within:

PCRE: "/^[\x2fa-z\d]+.exe$/U"

Special Options:

• http_method

• http_uri

• nocase

• http_header

• http_header

• http_header

• http_header

source