""ET CURRENT_EVENTS Possible Veil Powershell Encoder B643""
SID: 2024540
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_08_11, deployment Perimeter, signature_severity Major, updated_at 2017_08_11
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: "<script"
-
Value: "powershell"
-
Value: "oACwAJAAoAFsAQwBvAG4AdgBlAHIAdABdADoAOgBGAHIAbwBtAEIAYQBzAGUANgA0AFMAdAByAGkAbgBnAC"
Within:
PCRE:
Special Options:
-
file_data
-
nocase
-
nocase