SchultesDev/wireguard-go
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

memmod: disable protected delayed load for now

Browse Source 
Probably a bad idea, but we don't currently support it, and those huge
windows.NewCallback trampolines make juicer targets anyway.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2021-07-29 01:01:46 +02:00
parent 15b24b6179
commit c89f5ca665
4 changed files with 155 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
tun/wintun/memmod/syscall_windows.go
View File

@@ -174,6 +174,21 @@ func (ishdr *IMAGE_SECTION_HEADER) SetVirtualSize(addr uint32) {
ishdr.physicalAddressOrVirtualSize = addr
}
const (
// Dll characteristics.
IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA = 0x0020
IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE = 0x0040
IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY = 0x0080
IMAGE_DLL_CHARACTERISTICS_NX_COMPAT = 0x0100
IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION = 0x0200
IMAGE_DLL_CHARACTERISTICS_NO_SEH = 0x0400
IMAGE_DLL_CHARACTERISTICS_NO_BIND = 0x0800
IMAGE_DLL_CHARACTERISTICS_APPCONTAINER = 0x1000
IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER = 0x2000
IMAGE_DLL_CHARACTERISTICS_GUARD_CF = 0x4000
IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE = 0x8000
)
const (
// Section characteristics.
IMAGE_SCN_TYPE_REG = 0x00000000 // Reserved.
@@ -317,6 +332,33 @@ func (imgimpdesc *IMAGE_IMPORT_DESCRIPTOR) OriginalFirstThunk() uint32 {
return imgimpdesc.characteristicsOrOriginalFirstThunk
}
type IMAGE_LOAD_CONFIG_CODE_INTEGRITY struct {
Flags uint16
Catalog uint16
CatalogOffset uint32
Reserved uint32
}
const (
IMAGE_GUARD_CF_INSTRUMENTED = 0x00000100
IMAGE_GUARD_CFW_INSTRUMENTED = 0x00000200
IMAGE_GUARD_CF_FUNCTION_TABLE_PRESENT = 0x00000400
IMAGE_GUARD_SECURITY_COOKIE_UNUSED = 0x00000800
IMAGE_GUARD_PROTECT_DELAYLOAD_IAT = 0x00001000
IMAGE_GUARD_DELAYLOAD_IAT_IN_ITS_OWN_SECTION = 0x00002000
IMAGE_GUARD_CF_EXPORT_SUPPRESSION_INFO_PRESENT = 0x00004000
IMAGE_GUARD_CF_ENABLE_EXPORT_SUPPRESSION = 0x00008000
IMAGE_GUARD_CF_LONGJUMP_TABLE_PRESENT = 0x00010000
IMAGE_GUARD_RF_INSTRUMENTED = 0x00020000
IMAGE_GUARD_RF_ENABLE = 0x00040000
IMAGE_GUARD_RF_STRICT = 0x00080000
IMAGE_GUARD_RETPOLINE_PRESENT = 0x00100000
IMAGE_GUARD_EH_CONTINUATION_TABLE_PRESENT = 0x00400000
IMAGE_GUARD_XFG_ENABLED = 0x00800000
IMAGE_GUARD_CF_FUNCTION_TABLE_SIZE_MASK = 0xF0000000
IMAGE_GUARD_CF_FUNCTION_TABLE_SIZE_SHIFT = 28
)
const (
DLL_PROCESS_ATTACH = 1
DLL_THREAD_ATTACH = 2