""ET WEB_CLIENT PowerShell call in script 1""
SID: 2025061
Revision: 2
Class Type: attempted-user
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_11_27, deployment Perimeter, performance_impact Low, signature_severity Major, tag Web_Client_Attacks, updated_at 2022_05_03
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "vbscript"
-
Value: ".run"
-
Value: "powershell.exe"
-
Value: "<script"
Within:
PCRE: "/^((?!<\/script>).)+?powershell.exe/Rsi"
Special Options:
-
file_data
-
nocase
-
nocase