""ET TROJAN Possible Dragonfly APT Activity HTTP URI OPTIONS""
SID: 2024899
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2017_10_23, deployment Perimeter, signature_severity Major, updated_at 2017_10_23
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "OPTIONS"
-
Value: "/ame_icon.png"
Within:
PCRE:
Special Options:
-
http_method
-
http_uri
-
fast_pattern