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Land #484, Add stdapi_net_resolve_host(s) for Java

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This commit is contained in:
Spencer McIntyre 2021-04-28 11:54:50 -04:00
commit 46760f17da
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GPG Key ID: 58101BA0D0D9C987
4 changed files with 84 additions and 0 deletions
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2
java/meterpreter/meterpreter/src/main/java/com/metasploit/meterpreter/TLVType.java
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@ -110,6 +110,8 @@ public interface TLVType {
public static final int TLV_TYPE_SUBNET_STRING = TLVPacket.TLV_META_TYPE_STRING | 1440;
public static final int TLV_TYPE_NETMASK_STRING = TLVPacket.TLV_META_TYPE_STRING | 1441;
public static final int TLV_TYPE_GATEWAY_STRING = TLVPacket.TLV_META_TYPE_STRING | 1442;
public static final int TLV_TYPE_ROUTE_METRIC = TLVPacket.TLV_META_TYPE_UINT | 1443;
public static final int TLV_TYPE_ADDR_TYPE = TLVPacket.TLV_META_TYPE_UINT | 1444;
// Socket
public static final int TLV_TYPE_PEER_HOST = TLVPacket.TLV_META_TYPE_STRING | 1500;

2
java/meterpreter/stdapi/src/main/java/com/metasploit/meterpreter/stdapi/Loader.java
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@ -58,6 +58,8 @@ public class Loader implements ExtensionLoader {
mgr.registerCommand(CommandId.STDAPI_NET_CONFIG_GET_INTERFACES, stdapi_net_config_get_interfaces.class, V1_4, V1_6);
mgr.registerCommand(CommandId.STDAPI_NET_CONFIG_GET_ROUTES, stdapi_net_config_get_routes.class, V1_4);
mgr.registerCommand(CommandId.STDAPI_NET_SOCKET_TCP_SHUTDOWN, stdapi_net_socket_tcp_shutdown.class, V1_2, V1_3);
mgr.registerCommand(CommandId.STDAPI_NET_RESOLVE_HOST, stdapi_net_resolve_host.class);
mgr.registerCommand(CommandId.STDAPI_NET_RESOLVE_HOSTS, stdapi_net_resolve_hosts.class);
mgr.registerCommand(CommandId.STDAPI_SYS_CONFIG_GETUID, stdapi_sys_config_getuid.class);
mgr.registerCommand(CommandId.STDAPI_SYS_CONFIG_GETENV, stdapi_sys_config_getenv.class);
mgr.registerCommand(CommandId.STDAPI_SYS_CONFIG_SYSINFO, stdapi_sys_config_sysinfo.class);

51
java/meterpreter/stdapi/src/main/java/com/metasploit/meterpreter/stdapi/stdapi_net_resolve_host.java Normal file
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@ -0,0 +1,51 @@
package com.metasploit.meterpreter.stdapi;
import com.metasploit.meterpreter.Meterpreter;
import com.metasploit.meterpreter.TLVPacket;
import com.metasploit.meterpreter.TLVType;
import com.metasploit.meterpreter.command.Command;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class stdapi_net_resolve_host implements Command {
private static final int AF_INET = 2;
private static final int AF_INET6 = 23;
public static InetAddress resolve_host(String host, int family) {
InetAddress[] inetAddresses;
try {
inetAddresses = InetAddress.getAllByName(host);
} catch (UnknownHostException e) {
return null;
}
for (InetAddress address : inetAddresses) {
if (family == AF_INET6) {
if (address instanceof Inet6Address) {
return address;
}
} else if (family == AF_INET) {
if (address instanceof Inet4Address) {
return address;
}
} else {
return address;
}
}
return null;
}
public int execute(Meterpreter meterpreter, TLVPacket request, TLVPacket response) throws Exception {
String host = request.getStringValue(TLVType.TLV_TYPE_HOST_NAME);
int family = request.getIntValue(TLVType.TLV_TYPE_ADDR_TYPE);
InetAddress inetAddress = resolve_host(host, family);
if (inetAddress != null) {
response.addOverflow(TLVType.TLV_TYPE_IP, inetAddress.getAddress());
response.addOverflow(TLVType.TLV_TYPE_ADDR_TYPE, family);
}
return ERROR_SUCCESS;
}
}

29
java/meterpreter/stdapi/src/main/java/com/metasploit/meterpreter/stdapi/stdapi_net_resolve_hosts.java Normal file
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@ -0,0 +1,29 @@
package com.metasploit.meterpreter.stdapi;
import com.metasploit.meterpreter.Meterpreter;
import com.metasploit.meterpreter.TLVPacket;
import com.metasploit.meterpreter.TLVType;
import com.metasploit.meterpreter.command.Command;
import java.net.InetAddress;
import java.util.List;
public class stdapi_net_resolve_hosts implements Command {
public int execute(Meterpreter meterpreter, TLVPacket request, TLVPacket response) throws Exception {
List<String> hosts = request.getValues(TLVType.TLV_TYPE_HOST_NAME);
int family = request.getIntValue(TLVType.TLV_TYPE_ADDR_TYPE);
for (int i=0;i<hosts.size();i++) {
String host = hosts.get(i);
InetAddress inetAddress = stdapi_net_resolve_host.resolve_host(host, family);
if (inetAddress != null) {
response.addOverflow(TLVType.TLV_TYPE_IP, inetAddress.getAddress());
response.addOverflow(TLVType.TLV_TYPE_ADDR_TYPE, family);
} else {
response.addOverflow(TLVType.TLV_TYPE_IP, new byte[0]);
response.addOverflow(TLVType.TLV_TYPE_ADDR_TYPE, family);
}
}
return ERROR_SUCCESS;
}
}