""ET TROJAN Possible Stitur Secondary Download""
SID: 2017700
Revision: 2
Class Type: trojan-activity
Metadata: created_at 2013_11_09, updated_at 2013_11_09
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: ".file|0d 0a|"
-
Value: "Content-Description|3a 20|File Transfer|0d 0a|"
-
Value: "Content-Transfer-Encoding|3a 20|binary|0d 0a|"
Within:
PCRE: "/filename=[a-f0-9]{13}.file\r\n/H"
Special Options:
-
http_header
-
http_header
-
http_header