diff --git a/trunk/registryhive.cpp b/trunk/registryhive.cpp index 639f092..fe21954 100644 --- a/trunk/registryhive.cpp +++ b/trunk/registryhive.cpp @@ -1,735 +1,738 @@ /******************************************************************************* * fred Copyright (c) 2011-2013 by Gillen Daniel * * * * Forensic Registry EDitor (fred) is a cross-platform M$ registry hive editor * * with special feautures useful during forensic analysis. * * * * This program is free software: you can redistribute it and/or modify it * * under the terms of the GNU General Public License as published by the Free * * Software Foundation, either version 3 of the License, or (at your option) * * any later version. * * * * This program is distributed in the hope that it will be useful, but WITHOUT * * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * * more details. * * * * You should have received a copy of the GNU General Public License along with * * this program. If not, see . * *******************************************************************************/ #include "registryhive.h" #include #include +#include + #include #include // TODO: __WORDSIZE is not defined under mingw and I currently have no idea how // to identify a 64bit windows #ifndef __WORDSIZE #define __WORDSIZE 32 #endif #if __WORDSIZE == 64 #define EPOCH_DIFF 0x19DB1DED53E8000 #else #define EPOCH_DIFF 0x19DB1DED53E8000LL #endif /******************************************************************************* * Public ******************************************************************************/ /* * RegistryHive */ RegistryHive::RegistryHive(QObject *p_parent) : QObject(p_parent) { this->erro_msg=""; this->is_error=false; this->hive_file=""; this->p_hive=NULL; this->is_hive_open=false; } /* * ~RegistryHive */ RegistryHive::~RegistryHive() { if(this->is_hive_open) this->Close(); } /* * Error */ bool RegistryHive::Error() { return this->is_error; } /* * GetErrorMsg */ QString RegistryHive::GetErrorMsg() { QString msg=this->erro_msg; this->erro_msg=""; this->is_error=false; return msg; } /* * Open */ bool RegistryHive::Open(QString file, bool read_only) { if(this->is_hive_open) return false; // Open hive file this->p_hive=hivex_open(file.toAscii().constData(), read_only ? 0 : HIVEX_OPEN_WRITE); if(this->p_hive==NULL) return false; // Set local vars this->hive_file=file; this->is_hive_open=true; return true; } /* * Close */ bool RegistryHive::Close(bool commit_changes) { if(this->is_hive_open) { if(commit_changes) { // Commit changes before closing hive. // TODO: Maybe it would be more secure to commit changes to a new file and // then move it over the original one. hivex_commit(this->p_hive,NULL,0); } // As hivex_close will _ALWAYS_ free the handle, we don't need the following // values anymore this->hive_file=""; this->is_hive_open=false; // Close hive if(hivex_close(this->p_hive)!=0) return false; } return true; } /* * Filename */ QString RegistryHive::Filename() { if(this->is_hive_open) return this->hive_file; return QString(); } /* * HiveType */ RegistryHive::teHiveType RegistryHive::HiveType() { // Check for SYSTEM hive if(this->PathExists("\\Select") && this->PathExists("\\MountedDevices")) return RegistryHive::eHiveType_SYSTEM; // Check for SOFTWARE hive if(this->PathExists("\\Microsoft\\Windows\\CurrentVersion") && this->PathExists("\\Microsoft\\Windows NT\\CurrentVersion")) return RegistryHive::eHiveType_SOFTWARE; // Check for SAM if(this->PathExists("SAM\\Domains\\Account\\Users")) return RegistryHive::eHiveType_SAM; // Check for SECURITY if(this->PathExists("\\Policy\\Accounts") && this->PathExists("\\Policy\\PolAdtEv")) return RegistryHive::eHiveType_SECURITY; // Check for NTUSER.DAT if(this->PathExists("\\Software\\Microsoft\\Windows\\CurrentVersion")) return RegistryHive::eHiveType_NTUSER; // Unknown hive return RegistryHive::eHiveType_UNKNOWN; } /* * HiveTypeToString */ QString RegistryHive::HiveTypeToString(teHiveType hive_type) { switch(hive_type) { case RegistryHive::eHiveType_SYSTEM: return "SYSTEM"; break; case RegistryHive::eHiveType_SOFTWARE: return "SOFTWARE"; break; case RegistryHive::eHiveType_SAM: return "SAM"; break; case RegistryHive::eHiveType_SECURITY: return "SECURITY"; break; case RegistryHive::eHiveType_NTUSER: return "NTUSER"; break; default: return "UNKNOWN"; } } /* * GetNodes */ QMap RegistryHive::GetNodes(QString path) { hive_node_h parent_node; // Get handle to last node in path if(!this->GetNodeHandle(path,&parent_node)) return QMap(); // Get and return nodes return this->GetNodesHelper(parent_node); } /* * GetNodes */ QMap RegistryHive::GetNodes(int parent_node) { if(parent_node==0) { this->SetError(tr("Invalid parent node handle specified!")); return QMap(); } // Get and return nodes return this->GetNodesHelper(parent_node); } /* * GetKeys */ QMap RegistryHive::GetKeys(QString path) { hive_node_h parent_node; // Get handle to last node in path if(!this->GetNodeHandle(path,&parent_node)) return QMap(); // Get and return keys return this->GetKeysHelper(parent_node); } /* * GetKeys */ QMap RegistryHive::GetKeys(int parent_node) { if(parent_node==0) { this->SetError(tr("Invalid parent node handle specified!")); return QMap(); } // Get and return keys return this->GetKeysHelper(parent_node); } /* * GetKeyValue */ QByteArray RegistryHive::GetKeyValue(QString path, QString key, int *p_value_type, size_t *p_value_len) { hive_node_h parent_node; hive_value_h hive_key; // Get handle to last node in path if(!this->GetNodeHandle(path,&parent_node)) return QByteArray(); // Get key handle hive_key=hivex_node_get_value(this->p_hive, parent_node,key.toAscii().constData()); if(hive_key==0) { this->SetError(tr("Unable to get key handle!")); *p_value_len=-1; return QByteArray(); } // Get and return key value return this->GetKeyValueHelper(hive_key,p_value_type,p_value_len); } /* * GetKeyValue */ QByteArray RegistryHive::GetKeyValue(int hive_key, int *p_value_type, size_t *p_value_len) { if(hive_key==0) { this->SetError(tr("Invalid key handle specified!")); *p_value_type=-1; return QByteArray(); } // Get and return key value return this->GetKeyValueHelper(hive_key,p_value_type,p_value_len); } /* * GetKeyModTime */ int64_t RegistryHive::GetNodeModTime(QString path) { hive_node_h node; // Get handle to last node in path if(!this->GetNodeHandle(path,&node)) { this->SetError(tr("Unable to get node handle!")); return 0; } // Get and return node's last modification timestamp return this->GetNodeModTime(node); } /* * GetKeyModTime */ int64_t RegistryHive::GetNodeModTime(int node) { if(node==0) { this->SetError(tr("Invalid node handle specified!")); return 0; } // Get and return key's last modification timestamp return hivex_node_timestamp(this->p_hive,node); } /* * KeyValueToString */ QString RegistryHive::KeyValueToString(QByteArray value, int value_type) { QString ret=""; int i=0; #define ToHexStr() { \ for(i=0;i0) { // Nothing to show return QString(); } // Get pointer to data at specified offset p_data=key_value.constData(); p_data+=offset; // TODO: This will fail on platforms with different endianness! #define bswap_16(value) ((((value) & 0xff) << 8) | ((value) >> 8)) #define bswap_32(value) \ (((uint32_t)bswap_16((uint16_t)((value) & 0xffff)) << 16) | \ (uint32_t)bswap_16((uint16_t)((value) >> 16))) #define bswap_64(value) \ (((uint64_t)bswap_32((uint32_t)((value) & 0xffffffff)) << 32) | \ (uint64_t)bswap_32((uint32_t)((value) >> 32))) \ // Convert full name if(format=="int8" && remaining_data_len>=1) { ret=QString().sprintf("%d",*(int8_t*)p_data); } else if(format=="uint8" && remaining_data_len>=1) { ret=QString().sprintf("%u",*(uint8_t*)p_data); } else if(format=="int16" && remaining_data_len>=2) { int16_t val=*(int16_t*)p_data; if(little_endian) ret=QString().sprintf("%d",val); else ret=QString().sprintf("%d",bswap_16(val)); } else if(format=="uint16" && remaining_data_len>=2) { uint16_t val=*(uint16_t*)p_data; if(little_endian) ret=QString().sprintf("%u",val); else ret=QString().sprintf("%u",bswap_16(val)); } else if(format=="int32" && remaining_data_len>=4) { int32_t val=*(int32_t*)p_data; if(little_endian) ret=QString().sprintf("%d",val); else ret=QString().sprintf("%d",bswap_32(val)); } else if(format=="uint32" && remaining_data_len>=4) { uint32_t val=*(uint32_t*)p_data; if(little_endian) ret=QString().sprintf("%u",val); else ret=QString().sprintf("%u",bswap_32(val)); } else if(format=="unixtime" && remaining_data_len>=4) { uint32_t val=*(uint32_t*)p_data; if(!little_endian) val=bswap_32(val); if(val==0) { ret="n/a"; } else { QDateTime date_time; date_time.setTimeSpec(Qt::UTC); date_time.setTime_t(val); ret=date_time.toString("yyyy/MM/dd hh:mm:ss"); } } else if(format=="int64" && remaining_data_len>=8) { int64_t val=*(int64_t*)p_data; if(little_endian) ret=QString("%1").arg(val); else ret=QString("%1").arg((int64_t)bswap_64(val)); } else if(format=="uint64" && remaining_data_len>=8) { uint64_t val=*(uint64_t*)p_data; if(little_endian) ret=QString("%1").arg(val); else ret=QString("%1").arg(bswap_64(val)); /* // TODO: Check how one could implement this } else if(format=="unixtime64" && remaining_data_len>=8) { if(*(uint64_t*)p_data==0) { ret="n/a"; } else { uint64_t secs=*(uint64_t*)p_data; QDateTime date_time; date_time.setTimeSpec(Qt::UTC); // Set 32bit part of date/time date_time.setTime_t(secs&0xFFFFFFFF); // Now add high 32bit part of date/time date_time.addSecs(secs>>32); ret=date_time.toString("yyyy/MM/dd hh:mm:ss"); } */ } else if(format=="filetime" && remaining_data_len>=8) { uint64_t val=*(uint64_t*)p_data; if(!little_endian) val=bswap_64(val); if(val==0) { ret="n/a"; } else { // TODO: Warn if >32bit QDateTime date_time; date_time.setTimeSpec(Qt::UTC); date_time.setTime_t(RegistryHive::FiletimeToUnixtime(val)); ret=date_time.toString("yyyy/MM/dd hh:mm:ss"); } } else if(format=="ascii") { // TODO: This fails bad if the string is not null terminated!! It might be // wise checking for a null char here ret=QString().fromAscii((char*)p_data,length); } else if(format=="utf16" && remaining_data_len>=2) { ret=QString().fromUtf16((ushort*)p_data,length); } else { // Unknown variant type or another error return QString(); } return ret; } /* * KeyValueToStringList */ QStringList RegistryHive::KeyValueToStringList(QByteArray value, int value_type) { QStringList result; + const char str_sep[2]={0x00,0x00}; int last_pos=0,cur_pos=0; // Only supported on REG_MULTI_SZ values!! if(value_type!=hive_t_REG_MULTI_SZ) return QStringList(); while(last_poserro_msg=msg; this->is_error=true; } /* * GetNodeHandle */ bool RegistryHive::GetNodeHandle(QString &path, hive_node_h *p_node) { QStringList nodes; int i=0; // Get root node handle *p_node=hivex_root(this->p_hive); if(*p_node==0) { this->SetError(tr("Unable to get root node!")); return false; } if(path!="\\") { // If we aren't listing the root node, we have to get a handle to the // last node in the path. Split path into nodes nodes=path.split('\\',QString::SkipEmptyParts); // Iterate to the correct parent node for(i=0;ip_hive, *p_node, nodes.value(i).toAscii().constData()); if(*p_node==0) { this->SetError(tr("Unable to find node '%1'!").arg(nodes.value(i))); return false; } } } return true; } /* * GetNodesHelper */ QMap RegistryHive::GetNodesHelper(hive_node_h parent_node) { QMap keys; char *p_name; int i=0; // Get child nodes hive_node_h *child_nodes=hivex_node_children(this->p_hive,parent_node); if(child_nodes==NULL) { this->SetError( tr("Unable to enumerate child nodes!")); return QMap(); } // Build result keys.clear(); i=0; while(child_nodes[i]) { p_name=hivex_node_name(this->p_hive,child_nodes[i]); if(p_name==NULL) { this->SetError(tr("Unable to get node name!")); free(child_nodes); return QMap(); } keys.insert(QString(p_name),(int)child_nodes[i]); free(p_name); i++; } free(child_nodes); return keys; } /* * GetKeysHelper */ QMap RegistryHive::GetKeysHelper(hive_node_h parent_node) { QMap keys; char *p_name; int i=0; // Get child keys hive_value_h *p_keys=hivex_node_values(this->p_hive,parent_node); if(p_keys==NULL) { this->SetError( tr("Unable to enumerate child keys!")); return QMap(); } // Build result list keys.clear(); i=0; while(p_keys[i]) { p_name=hivex_value_key(this->p_hive,p_keys[i]); if(p_name==NULL) { this->SetError(tr("Unable to get key name!")); return QMap(); } keys.insert(QString(p_name),p_keys[i]); free(p_name); i++; } free(p_keys); return keys; } /* * GetKeyValueHelper */ QByteArray RegistryHive::GetKeyValueHelper(hive_value_h hive_key, int *p_value_type, size_t *p_value_len) { QByteArray key_value; char *p_key_value; p_key_value=hivex_value_value(this->p_hive, hive_key, (hive_type*)p_value_type, p_value_len); if(p_key_value==NULL) { this->SetError(tr("Unable to get key value!")); *p_value_type=-1; return QByteArray(); } // Feed QByteArray and free p_key_value key_value=QByteArray(p_key_value,*p_value_len); free(p_key_value); return key_value; } /* * PathExists */ bool RegistryHive::PathExists(QString path) { bool ret; hive_node_h node; ret=this->GetNodeHandle(path,&node); if(!ret || this->Error()) { // Clear error and return false this->GetErrorMsg(); return false; } return true; } diff --git a/trunk/report_templates/SYSTEM_BackupRestore.qs b/trunk/report_templates/SYSTEM_BackupRestore.qs index a1a59df..81f3f3c 100644 --- a/trunk/report_templates/SYSTEM_BackupRestore.qs +++ b/trunk/report_templates/SYSTEM_BackupRestore.qs @@ -1,74 +1,72 @@ function fred_report_info() { var info={report_cat : "SYSTEM", report_name : "Backup / Restore settings", report_author : "Gillen Daniel", report_desc : "Dump files / directories not to snapshot / backup and registry keys not to restore", fred_api : 2, hive : "SYSTEM" }; return info; } function IsValid(val) { if(typeof val !== 'undefined') return true; else return false; } function print_table_row(cell01,cell02) { println(" ",cell01,"",cell02,""); } function ListValues(root_key) { var values=GetRegistryKeys(root_key); if(IsValid(values)) { println("

"); println(" "); for(var i=0;i"); println(" "); println(" "); println(" "); } } println("
",values[i],""); - var strings=RegistryKeyValueToStringList(value.val,value.type); - if(IsValid(strings) { - for(var i=0;i"); - } + var strings=RegistryKeyValueToStringList(val.value,val.type); + for(var ii=0;ii"); } println("
"); println("

"); } else { println(" None"); } } function fred_report_html() { var val; println("

Backup / Restore settings

"); // Get current controlset var cur_controlset=GetRegistryKeyValue("\\Select","Current"); if(IsValid(cur_controlset)) { cur_controlset=RegistryKeyValueToString(cur_controlset.value,cur_controlset.type); // Current holds a DWORD value, thus we get a string like 0x00000000, but // control sets are referenced only with the last 3 digits. cur_controlset="ControlSet"+String(cur_controlset).substr(7,3); println(" Directories / files not to back up in Volume Shadow Copies"); ListValues(cur_controlset+"\\Control\\BackupRestore\\FilesNotToSnapshot"); println(" Directories / files not to back up or restore by backup apps"); ListValues(cur_controlset+"\\Control\\BackupRestore\\FilesNotToBackup"); println(" Registry nodes or values not to restore by backup apps"); ListValues(cur_controlset+"\\Control\\BackupRestore\\KeysNotToRestore"); } else { println("

"); println(" Unable to determine current control set!
"); println(" Are you sure you are running this report against the correct registry hive?"); println("

"); } }