""ET TROJAN Kazy/Kryptor/Cycbot Trojan Checkin""
SID: 2012939
Revision: 6
Class Type: trojan-activity
Metadata: created_at 2011_06_07, updated_at 2012_03_20
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
-
Value: "GET"
-
Value: "?v"
-
Value: "&tq="
-
Value: "User-Agent|3a| mozilla/2.0|0d 0a|"
Within:
PCRE: "/.(jpg|png|gif)\?v[0-9]{1,2}=[0-9]+&tq=/U"
Special Options:
-
nocase
-
http_method
-
http_uri
-
http_uri
-
http_header