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rules.cpp
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rules.cpp
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// UnitTests for rule engine and configuration parsing.
#include "test.h"
#if defined _WIN64 || defined _WIN32
#include <shlwapi.h>
#elif defined __linux__
#include <glob.h>
#endif
#include <string>
#include <vector>
#include <algorithm>
#include "structs.h"
#include "../../sysmonCommon/eventsCommon.h"
using ::testing::_;
using ::testing::Expectation;
using ::testing::Invoke;
using ::testing::AnyNumber;
#if defined _WIN64 || defined _WIN32
const TCHAR testPathRelative[] = _T( "..\\testdata\\" );
#elif defined __linux__
const TCHAR testPathRelative[] = _T( "testdata/" );
#endif
void hexdump( UCHAR* x, size_t n );
// The version used to test by default.
const PCSTR testDefaultVersion = "4.50";
BYTE oneByte[] = { 0xAA };
RULE_REG zeroRules = {};
RULE_REG oldRule = {
0, /*Version*/
1, /*RuleCount*/
};
// EmptyBlob verifies an empty or undefined rule blob result in empty rule reg and context.
TEST( Rules, EmptyBlob )
{
InitializeRules();
// SetRuleBlob should not add any rule of size zero or pointer NULL.
RULE_BLOB blobs[] = {
{ "NULL and zero", NULL, 0 },
{ "Non-NULL and zero", (PVOID)1, 0 },
{ "NULL and 100", NULL, 100 },
};
for( const auto& blob : blobs ) {
SCOPED_TRACE( blob.Description );
ASSERT_TRUE( SetRuleBlob( blob.Rules, blob.RulesSize, FALSE ) );
RULE_REG rulReg;
EXPECT_FALSE( GetRuleRegInformation( NULL, &rulReg ) );
RULE_CONTEXT ruleContext;
EXPECT_FALSE( InitializeRuleContext( &ruleContext ) );
}
}
// InvalidRules try to set invalid rules resulting in SetRuleBlob failing an no rule to be registered.
TEST( Rules, InvalidRules )
{
InitializeRules();
RULE_BLOB blobs[] = {
{ "Small one-byte rule", oneByte, sizeof( oneByte ) },
{ "No rules attached", &zeroRules, sizeof( zeroRules ) },
{ "Old versions rules", &oldRule, sizeof( oldRule ) },
};
for( const auto& blob : blobs ) {
SCOPED_TRACE( blob.Description );
ASSERT_FALSE( SetRuleBlob( blob.Rules, blob.RulesSize, FALSE ) );
RULE_REG ruleReg;
EXPECT_FALSE( GetRuleRegInformation( NULL, &ruleReg ) );
RULE_CONTEXT ruleContext;
EXPECT_FALSE( InitializeRuleContext( &ruleContext ) );
}
}
#if defined __linux__
void GetModuleFileName( PVOID hModule, LPSTR lpFilename, DWORD nSize )
{
ssize_t num = readlink( "/proc/self/exe", lpFilename, nSize );
lpFilename[num] = 0;
}
PCHAR PathCombine( LPTSTR pszDest, LPCTSTR pszDir, LPCTSTR pszFile )
{
strcpy( pszDest, pszDir );
PTCHAR lastSlash = strrchr( pszDest, '/' );
if( lastSlash == NULL ) {
lastSlash = pszDest - 1;
}
strcpy( lastSlash + 1, pszFile );
return pszDest;
}
#endif
// ListXMLConfigurations returns a vector of file path to Sysmon XML configurations.
BOOL ListXMLConfigurations( std::vector<tstring>& files )
{
TCHAR szFileName[MAX_PATH + 1];
GetModuleFileName( NULL, szFileName, MAX_PATH + 1 );
TCHAR testPath[MAX_PATH] = {};
if( PathCombine( testPath, szFileName, testPathRelative ) == NULL ) {
_tprintf( _T( "PathCombine(%s, %s) failed." ), szFileName, testPathRelative );
return FALSE;
}
tstring pattern( testPath );
pattern += _T( "*.xml" );
#if defined _WIN64 || defined _WIN32
WIN32_FIND_DATA ffd;
HANDLE hFind = FindFirstFile( pattern.c_str(), &ffd );
if( INVALID_HANDLE_VALUE == hFind ) {
_tprintf( _T( "FindFirstFile(%s) failed." ), pattern.c_str() );
return FALSE;
}
do {
if( ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
continue;
tstring fullPath( testPath );
fullPath += ffd.cFileName;
files.push_back( fullPath );
} while( FindNextFile( hFind, &ffd ) != 0 );
#elif defined __linux__
glob_t ffd;
if( glob( pattern.c_str(), 0, NULL, &ffd ) != 0 ) {
_tprintf( _T( "glob(%s) failed." ), pattern.c_str() );
return FALSE;
}
for( unsigned int i = 0; i < ffd.gl_pathc; i++ ) {
struct stat path_stat;
stat( ffd.gl_pathv[i], &path_stat );
if( !S_ISREG( path_stat.st_mode ) ) {
continue;
}
tstring fullPath( ffd.gl_pathv[i] );
files.push_back( fullPath );
}
globfree( &ffd );
#endif
return TRUE;
}
extern PRULE_SET g_blob;
#define RULE_BINARY_CHANGE "Rule binary blob changed, if expected re-generate the file using instructions in /doc/internal/testing-switches.md"
// LoadConfiguration reads Sysmon XML configuration, checks no error is reported and ruleset match expected output.
TEST( Rules, LoadConfiguration )
{
std::vector<tstring> xmlFiles;
ASSERT_TRUE( ListXMLConfigurations( xmlFiles ) );
for( const auto& file : xmlFiles ) {
// Scope to the current file to identify a failure more easily.
SCOPED_TRACE( tstring2string( file ) );
PVOID Rules = NULL;
ULONG RulesSize = 0;
ASSERT_TRUE( ApplyConfigurationFile( const_cast<PTCHAR>(file.c_str()), &Rules, &RulesSize, FALSE ) );
EXPECT_NE( Rules, nullptr );
EXPECT_NE( RulesSize, 0u );
// The rule returned was assigned to the current context.
RULE_CONTEXT ctx;
ASSERT_TRUE( InitializeRuleContext( &ctx ) );
ASSERT_NE( ctx.Current, nullptr );
EXPECT_EQ( ctx.Current->Rules, Rules );
EXPECT_EQ( ctx.Current->RulesSize, RulesSize );
ReleaseRuleContext( &ctx );
// Compare the dumped test binary representation with the parse XML result.
std::vector<CHAR> ruleData;
ASSERT_TRUE( ReadBinaryFile( file + _T( ".bin" ), ruleData ) );
ASSERT_EQ( RulesSize, ruleData.size() ) << RULE_BINARY_CHANGE;
// The binary version will change and should not be part of the test.
ASSERT_GE( RulesSize, sizeof( ULONG ) ) << "The rule size is smaller than the version field";
EXPECT_EQ( 0, memcmp( (PCHAR)Rules + sizeof( ULONG ), &ruleData[sizeof( ULONG )], RulesSize - sizeof( ULONG ) ) ) << RULE_BINARY_CHANGE;
}
}
// DetectEncoding reads Sysmon XML configuration, checks no error is reported and encoding reported correctly.
TEST( Rules, DetectEncoding )
{
ENCODING FileEncodings[] = {
{ _T( "iso8859-nobom-iso8859enc.xml" ), "ISO-8859-1", false, false },
{ _T( "iso8859-utf8bom-iso8859enc.xml" ), "ISO-8859-1", false, true },
{ _T( "utf16-nobom-noenc-ws.xml" ), "UTF-16LE", true, false },
{ _T( "utf16-nobom-noenc.xml" ), "UTF-16LE", true, false },
{ _T( "utf16-nobom-utf16enc.xml" ), "UTF-16LE", true, false },
{ _T( "utf16-utf16bom-noenc-ws.xml" ), "", true, true },
{ _T( "utf16-utf16bom-noenc.xml" ), "", true, true },
{ _T( "utf16-utf16bom-utf16enc.xml" ), "UTF-16LE", true, true },
{ _T( "utf8-nobom-noenc-ws.xml" ), "", false, false },
{ _T( "utf8-nobom-noenc.xml" ), "", false, false },
{ _T( "utf8-nobom-utf8enc.xml" ), "UTF-8", false, false },
{ _T( "utf8-utf8bom-noenc.xml" ), "", false, true },
{ _T( "utf8-utf8bom-utf8enc.xml" ), "UTF-8", false, true }
};
ULONG version;
PCHAR encoding;
BOOLEAN is16Bit;
BOOLEAN hasBOM;
TCHAR szFileName[MAX_PATH + 1];
GetModuleFileName( NULL, szFileName, MAX_PATH + 1 );
TCHAR testPath[MAX_PATH] = {};
ASSERT_TRUE( PathCombine( testPath, szFileName, testPathRelative ) != NULL );
for( auto& fileEncoding : FileEncodings ) {
tstring fileName( testPath );
fileName += fileEncoding.FileName;
ASSERT_TRUE( FetchConfigurationVersion( (PTCHAR)fileName.c_str(), &version, &encoding, &is16Bit, &hasBOM ) );
if( encoding != NULL ) {
EXPECT_EQ( 0, strcmp( fileEncoding.XMLEncoding, encoding ) );
} else {
EXPECT_EQ( 0, strcmp( fileEncoding.XMLEncoding, "" ) );
}
EXPECT_EQ( fileEncoding.Is16Bit, is16Bit );
EXPECT_EQ( fileEncoding.HasBOM, hasBOM );
}
}
#if defined _WIN64 && defined _WIN32
EnvSolver systemrootVar( "%SystemRoot%\\notepad.exe" );
EnvSolver appDataVar( "%AppData%\\file.log" );
#endif
//
// This test relies on events.cpp and this has not yet been ported to Linux
//
RULE_FILTER_TEST ruleMatches[] = {
{
"Includes all by default",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "exclude", RuleEntry::Empty ) ) ),
{
{
"No field set is included",
&SYSMONEVENT_CREATE_PROCESS_Type,
{},
Rule_include, _T( "" ),
},
{
"One field set is included",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "svchost.exe" ) } },
Rule_include, _T( "" ),
},
},
},
{
"Includes all by default on a default exclude",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "RawAccessRead", "onmatch", "exclude", RuleEntry::Empty ) ) ),
{
{
"No field set is included",
&SYSMONEVENT_RAWACCESS_READ_Type,
{},
Rule_include, _T( "" ),
},
{
"One field set is included",
&SYSMONEVENT_RAWACCESS_READ_Type,
{ { F_RR_Image, _T( "svchost.exe" ) } },
Rule_include, _T( "" ),
},
},
},
{
"No rules means the default is applicable",
SysmonRule( testDefaultVersion, RuleEntry::Empty ),
{
{
"Process create is include by default",
&SYSMONEVENT_CREATE_PROCESS_Type,
{},
Rule_include, _T( "" ),
},
{
"Raw access read is exclude by default",
&SYSMONEVENT_RAWACCESS_READ_Type,
{},
Rule_exclude, _T( "" ),
},
},
},
{
"Exclude all by default",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include", RuleEntry::Empty ) ) ),
{
{
"No field set is excluded",
&SYSMONEVENT_CREATE_PROCESS_Type,
{},
Rule_exclude, _T( "" ),
},
{
"One field set is excluded",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "svchost.exe" ) } },
Rule_exclude, _T( "" ),
},
},
},
{
"Process command-line contains string",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "RuleGroup", "internet-explorer", "groupRelation", "and",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "contains",
RuleEntry( "iexplore.exe" ) ) ) ) ) ),
{
{
"Field without any include rule",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_Image, _T( "iexplore.exe" ) } },
Rule_exclude, _T( "" ),
},
{
"Field with an incorrect value",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "svchost.exe" ) } },
Rule_exclude, _T( "" ),
},
{
"Field is equal",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "iexplore.exe" ) } },
Rule_include, _T( "internet-explorer" ),
},
{
"Field is part of the path",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "c:\\iexplore.exe\\something" ) } },
Rule_include, _T( "internet-explorer" ),
},
},
},
{
"Process command-line multiple contains string",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "RuleGroup", "internet-explorer second", "groupRelation", "or",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "contains",
RuleEntry( "iexplore.exe" ) ),
RuleEntry( "CommandLine", "condition", "contains",
RuleEntry( "notepad.exe" ) ) ) ) ) ),
{
{
"Field without any include rule",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_Image, _T( "iexplore.exe" ) } },
Rule_exclude, _T( "" ),
},
{
"Field with an incorrect value",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "svchost.exe" ) } },
Rule_exclude, _T( "" ),
},
{
"Field is equal to first",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "iexplore.exe" ) } },
Rule_include, _T( "internet-explorer second" ),
},
{
"Field is part of the path for first",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "\\SMB\\iexplore.exe\\something" ) } },
Rule_include, _T( "internet-explorer second" ),
},
{
"Field is equal to second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "notepad.exe" ) } },
Rule_include, _T( "internet-explorer second" ),
},
{
"Field is part of the path for second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "z:\\notepad.exe\\something" ) } },
Rule_include, _T( "internet-explorer second" ),
},
},
},
{
"Process command-line multiple contains string but exclude",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "RuleGroup", "internet-explorer second", "groupRelation", "or",
RuleEntry( "ProcessCreate", "onmatch", "exclude",
RuleEntry( "CommandLine", "condition", "contains",
RuleEntry( "iexplore.exe" ) ),
RuleEntry( "CommandLine", "condition", "contains",
RuleEntry( "notepad.exe" ) ) ) ) ) ),
{
{
"Field without any exclude rule",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_Image, _T( "iexplore.exe" ) } },
Rule_include, _T( "" ),
},
{
"Field with an incorrect value",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "svchost.exe" ) } },
Rule_include, _T( "" ),
},
{
"Field is equal to first",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "iexplore.exe" ) } },
Rule_exclude, _T( "internet-explorer second" ),
},
{
"Field is part of the path for first",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "\\SMB\\iexplore.exe\\something" ) } },
Rule_exclude, _T( "internet-explorer second" ),
},
{
"Field is equal to second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "notepad.exe" ) } },
Rule_exclude, _T( "internet-explorer second" ),
},
{
"Field is part of the path for second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "z:\\notepad.exe\\something" ) } },
Rule_exclude, _T( "internet-explorer second" ),
},
},
},
{
"Check 4.1 configuration default to OR groups",
SysmonRule( "4.1",
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "Image", "condition", "is",
RuleEntry( "iexplore.exe" ) ),
RuleEntry( "CommandLine", "condition", "is",
RuleEntry( "notepad.exe" ) ) ) ) ),
{
{
"First field equal is a match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_Image, _T( "iexplore.exe" ) } },
Rule_include, _T( "" ),
},
{
"Second field contains is a match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "notepad.exe" ) } },
Rule_include, _T( "" ),
},
},
},
{
"Check 4.21 configuration default to AND groups",
SysmonRule( "4.21",
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "Image", "condition", "is",
RuleEntry( "iexplore.exe" ) ),
RuleEntry( "CommandLine", "condition", "is",
RuleEntry( "notepad.exe" ) ) ) ) ),
{
{
"First field equal is not a match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_Image, _T( "iexplore.exe" ) } },
Rule_exclude, _T( "" ),
},
{
"Second field contains is not a match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "notepad.exe" ) } },
Rule_exclude, _T( "" ),
},
{
"Boths fields leads to a match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{
{ F_CP_Image, _T( "iexplore.exe" ) },
{ F_CP_CommandLine, _T( "notepad.exe" ) }
},
Rule_include, _T( "" ),
},
},
},
{
"Check 'is' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "is",
RuleEntry( "/Something:Equal" ) ) ) ) ),
{
{
"Exact match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_include, _T( "" ),
},
{
"Check match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/someThing:equaL" ) } },
Rule_include, _T( "" ),
},
{
"Check no match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_exclude, _T( "" ),
},
},
},
{
"Check 'is any' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "is any",
RuleEntry( "/Something:Equal;OrElse" ) ) ) ) ),
{
{
"Exact match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_include, _T( "" ),
},
{
"Check match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/sOmething:eqUal" ) } },
Rule_include, _T( "" ),
},
{
"Exact match on second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "OrElse" ) } },
Rule_include, _T( "" ),
},
{
"Check match on second is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "oReLse" ) } },
Rule_include, _T( "" ),
},
{
"Check no match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_exclude, _T( "" ),
},
},
},
{
"Check 'is not' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "is not",
RuleEntry( "/Something:Equal" ) ) ) ) ),
{
{
"Exact match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_exclude, _T( "" ),
},
{
"Check match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/soMething:equAl" ) } },
Rule_exclude, _T( "" ),
},
{
"Check no match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_include, _T( "" ),
},
},
},
{
"Check 'contains' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "contains",
RuleEntry( "/Something:Equal" ) ) ) ) ),
{
{
"Contains match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /Something:Equal /Flag2" ) } },
Rule_include, _T( "" ),
},
{
"Check contains match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /somEThing:eqUal /Flag2" ) } },
Rule_include, _T( "" ),
},
{
"Exact match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_include, _T( "" ),
},
{
"Check exact match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/sOMething:equAl" ) } },
Rule_include, _T( "" ),
},
{
"Check no match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_exclude, _T( "" ),
},
},
},
{
"Check 'contains any' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "contains any",
RuleEntry( "/Something:Equal;OrElse" ) ) ) ) ),
{
{
"Contains match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /Something:Equal /Flag2" ) } },
Rule_include, _T( "" ),
},
{
"Check match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /sometHInG:eQual /Flag2" ) } },
Rule_include, _T( "" ),
},
{
"Contains match on second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag3 OrElse /Flag4" ) } },
Rule_include, _T( "" ),
},
{
"Check match on second is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Anotherlfag orELse /Something" ) } },
Rule_include, _T( "" ),
},
{
"Exact match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_include, _T( "" ),
},
{
"Check exect match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:equal" ) } },
Rule_include, _T( "" ),
},
{
"Exact match on second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "OrElse" ) } },
Rule_include, _T( "" ),
},
{
"Check exact match on second is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "orelSE" ) } },
Rule_include, _T( "" ),
},
{
"Check no match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_exclude, _T( "" ),
},
},
},
{
"Check 'contains all' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "contains all",
RuleEntry( "/Something:Equal;OrElse" ) ) ) ) ),
{
{
"Only firt",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /Something:Equal /Flag5" ) } },
Rule_exclude, _T( "" ),
},
{
"Only second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/FlagP OrElse /FlagC" ) } },
Rule_exclude, _T( "" ),
},
{
"Only firt exact",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_exclude, _T( "" ),
},
{
"Only second exact",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "OrElse" ) } },
Rule_exclude, _T( "" ),
},
{
"Match all",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /Something:Equal /Flag2 OrElse /Something" ) } },
Rule_include, _T( "" ),
},
{
"Match all case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /something:equal /Flag2 ORelse /Something" ) } },
Rule_include, _T( "" ),
},
{
"Check zero match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_exclude, _T( "" ),
},
},
},
{
"Check 'excludes' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "excludes",
RuleEntry( "/Something:Equal" ) ) ) ) ),
{
{
"Excludes match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /Something:Equal /Flag2" ) } },
Rule_exclude, _T( "" ),
},
{
"Check excludes match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /someThiNG:equal /Flag2" ) } },
Rule_exclude, _T( "" ),
},
{
"Exact match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_exclude, _T( "" ),
},
{
"Check exact match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/SOmeTHing:eQUal" ) } },
Rule_exclude, _T( "" ),
},
{
"Check no match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_include, _T( "" ),
},
},
},
{
"Check 'excludes any' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "excludes any",
RuleEntry( "/Something:Equal;OrElse" ) ) ) ) ),
{
{
"Excludes match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /Something:Equal /Flag2" ) } },
Rule_exclude, _T( "" ),
},
{
"Check match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /sometHIng:EQual /Flag2" ) } },
Rule_exclude, _T( "" ),
},
{
"Excludes match on second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag3 OrElse /Flag4" ) } },
Rule_exclude, _T( "" ),
},
{
"Check match on second is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Anotherlfag oreLSe /Something" ) } },
Rule_exclude, _T( "" ),
},
{
"Exact match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_exclude, _T( "" ),
},
{
"Check exact match is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/soMEThing:eqUAl" ) } },
Rule_exclude, _T( "" ),
},
{
"Exact match on second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "OrElse" ) } },
Rule_exclude, _T( "" ),
},
{
"Check exact match on second is case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "orelSE" ) } },
Rule_exclude, _T( "" ),
},
{
"Check no match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_include, _T( "" ),
},
},
},
{
"Check 'excludes all' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "excludes all",
RuleEntry( "/Something:Equal;OrElse" ) ) ) ) ),
{
{
"Only firt",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /Something:Equal /Flag5" ) } },
Rule_include, _T( "" ),
},
{
"Only second",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/FlagP OrElse /FlagC" ) } },
Rule_include, _T( "" ),
},
{
"Only firt exact",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Something:Equal" ) } },
Rule_include, _T( "" ),
},
{
"Only second exact",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "OrElse" ) } },
Rule_include, _T( "" ),
},
{
"Match all",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /Something:Equal /Flag2 OrElse /Something" ) } },
Rule_exclude, _T( "" ),
},
{
"Match all case insensitive",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/Flag1 /somethinG:equal /Flag2 orElse /Something" ) } },
Rule_exclude, _T( "" ),
},
{
"Check zero match",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "/something:else" ) } },
Rule_include, _T( "" ),
},
},
},
{
"Check 'begin with' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "begin with",
RuleEntry( "TheFirstString" ) ) ) ) ),
{
{
"Equal",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "TheFirstString" ) } },
Rule_include, _T( "" ),
},
{
"Begin with",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "TheFirstString and something else" ) } },
Rule_include, _T( "" ),
},
{
"Shorter",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "TheFirstStrin" ) } },
Rule_exclude, _T( "" ),
},
{
"Ends with",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "There was something before TheFirstString" ) } },
Rule_exclude, _T( "" ),
},
{
"Middle",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "Before TheFirstString After" ) } },
Rule_exclude, _T( "" ),
},
{
"Different",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "Another string" ) } },
Rule_exclude, _T( "" ),
},
},
},
{
"Check 'end with' condition",
SysmonRule( testDefaultVersion,
RuleEntry( "EventFiltering",
RuleEntry( "ProcessCreate", "onmatch", "include",
RuleEntry( "CommandLine", "condition", "end with",
RuleEntry( "TheLastString" ) ) ) ) ),
{
{
"Equal",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "TheLastString" ) } },
Rule_include, _T( "" ),
},
{
"Begin with",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "TheLastString and something else" ) } },
Rule_exclude, _T( "" ),
},
{
"Shorter",
&SYSMONEVENT_CREATE_PROCESS_Type,
{ { F_CP_CommandLine, _T( "TheLastStrin" ) } },
Rule_exclude, _T( "" ),
},