""ET TROJAN Various Malicious AlphaNum DL Feb 10 2016""

SID: 2022503

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2016_02_11, performance_impact Significant, 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: "MSIE 7.0|3b| Windows NT"

• Value: !"Referer|3a|"

• Value: !"="

• Value: !"&"

• Value: !"?"

• Value: !"Cookie|3a|"

Within:

PCRE: "/\/(?=[a-z]{0,7}[0-9])(?=[0-9]{0,7}[a-z])[a-z0-9]{7,8}\/(?=[a-z]{0,7}[0-9])(?=[0-9]{0,7}[a-z])[a-z0-9]{7,8}$/U"

Special Options:

• http_header

• fast_pattern

• http_header

• http_uri

• http_uri

• http_uri

source