""ET TROJAN Possible Derusbi/Winnti Receiving Configuration""
SID: 2022269
Revision: 1
Class Type: trojan-activity
Metadata: created_at 2015_12_16, updated_at 2015_12_16
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: "$$$--Hello"
-
Value: "Wrod--$$$"
Within:
PCRE: "/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})Wrod--\$\$\$/R"
Special Options:
- file_data