""ET WEB_SERVER WebShell - Generic - GIF Header With HTML Form""
SID: 2017134
Revision: 4
Class Type: trojan-activity
Metadata: created_at 2013_07_12, updated_at 2018_05_01
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: $HTTP_PORTS
Destination Network: $EXTERNAL_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "GIF89a"
-
Value: "<form "
-
Value: !"_VIEWSTATE"
Within: 150
PCRE:
Special Options:
-
file_data
-
nocase
-
fast_pattern