""ET CURRENT_EVENTS Download file with Powershell via LNK file (observed in Sundown EK)""
SID: 2020987
Revision: 1
Class Type: trojan-activity
Metadata: created_at 2015_04_24, updated_at 2015_04_24
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: "|4c 00 00 00|"
-
Value: "c|00|m|00|d|00|.|00|e|00|x|00|e"
-
Value: "P|00|o|00|w|00|e|00|r|00|S|00|h|00|e|00|l|00|l"
-
Value: "D|00|o|00|w|00|n|00|l|00|o|00|a|00|d|00|F|00|i|00|l|00|e"
Within: 4
PCRE:
Special Options:
-
file_data
-
nocase
-
nocase
-
nocase