""ET TROJAN Win32/Ursnif Connectivity Check""
SID: 2019381
Revision: 2
Class Type: trojan-activity
Metadata: created_at 2014_10_09, updated_at 2014_10_09
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/proto/netstrings.txt"
-
Value: !"Accept"
-
Value: !"Referer|3a|"
Within:
PCRE:
Special Options:
-
http_method
-
http_uri
-
http_header
-
http_header