def stealth(vdb, line):
"""
Enable basic debugger stealth. This has the following effects:
Change PEB to show BeingDebugged == 0
Special breakpoint on CheckRemoteDebuggerPresent
WARNING:
break/sendBreak() behave VERY strange with this because the
kernel aparently doesn't think he needs to post the exception
to the debugger?
"""
if vdb.trace.getMeta("Win32Stealth") != None:
win32_stealth.unstealthify(vdb.trace)
vdb.vprint("Stealth disabled")
else:
win32_stealth.stealthify(vdb.trace)
vdb.vprint("Stealth enabled")
def stealth(vdb, line):
"""
Enable basic debugger stealth. This has the following effects:
Change PEB to show BeingDebugged == 0
Special breakpoint on CheckRemoteDebuggerPresent
WARNING:
break/sendBreak() behave VERY strange with this because the
kernel aparently doesn't think he needs to post the exception
to the debugger?
"""
if vdb.trace.getMeta("Win32Stealth") != None:
win32_stealth.unstealthify(vdb.trace)
vdb.vprint("Stealth disabled")
else:
win32_stealth.stealthify(vdb.trace)
vdb.vprint("Stealth enabled")
def stealth(vdb, line):
"""
Enable debugger stealth. See options -l.
stealth <on/off> <options>
Options:
peb - enable/disable static peb + heap offset patching
ZwQueryInformationProcess - patch ZwQueryInformationProcess parameter
CheckRemoteDebuggerPresent - patch CheckRemoteDebuggerPresent
GetTickCount - patch GetTickCount timer checks
OutputDebugString - patch check that returns if debugger is attached
ZwSetInformationThread - patch the hide debugger trick
ZwClose - patch invalid handle check
all - enable or disable all patches
WARNING:
break/sendBreak() behave VERY strange with this because the
kernel aparently doesn't think he needs to post the exception
to the debugger?
"""
args = e_cli.splitargs(line)
arglist = ('peb','zwqueryinformationprocess','checkremotedebuggerpresent',
'gettickcount','outputdebugstring','all',
'zwsetinformationthread','zwclose')
if len(args) < 2 or ('on' not in args and 'off' not in args):
vdb.do_help('stealth')
enabledPatches = win32_stealth.getStatus(vdb.trace)
vdb.vprint('Stealth Status')
vdb.vprint('='*40)
for name, isPatched in enabledPatches:
status = 'disabled'
if isPatched:
status = 'enabled'
vdb.vprint('{0:30} {1:16}'.format(name, status))
return
oper = args[0].lower()
commands = [i.lower() for i in args[1:]]
if args[1] == 'all' and oper == 'on':
if win32_stealth.enableAllStealth(vdb.trace):
vdb.vprint('all enabled!')
return
if args[1] == 'all' and oper == 'off':
if win32_stealth.disableAllStealth(vdb.trace):
vdb.vprint('all disabled!')
return
if oper == 'on':
for i in commands:
if i in arglist:
if win32_stealth.stealthify(vdb.trace, i):
vdb.vprint('%s enabled!'%i)
if oper == 'off':
for i in commands:
if i in arglist:
if win32_stealth.unstealthify(vdb.trace, i):
vdb.vprint('%s disabled!'%i)
def stealth(vdb, line):
"""
Enable debugger stealth. See options -l.
stealth <on/off> <options>
Options:
peb - enable/disable static peb + heap offset patching
ZwQueryInformationProcess - patch ZwQueryInformationProcess parameter
CheckRemoteDebuggerPresent - patch CheckRemoteDebuggerPresent
GetTickCount - patch GetTickCount timer checks
OutputDebugString - patch check that returns if debugger is attached
ZwSetInformationThread - patch the hide debugger trick
ZwClose - patch invalid handle check
all - enable or disable all patches
WARNING:
break/sendBreak() behave VERY strange with this because the
kernel aparently doesn't think he needs to post the exception
to the debugger?
"""
args = e_cli.splitargs(line)
arglist = ('peb', 'zwqueryinformationprocess',
'checkremotedebuggerpresent', 'gettickcount',
'outputdebugstring', 'all', 'zwsetinformationthread', 'zwclose')
if len(args) < 2 or ('on' not in args and 'off' not in args):
vdb.do_help('stealth')
enabledPatches = win32_stealth.getStatus(vdb.trace)
vdb.vprint('Stealth Status')
vdb.vprint('=' * 40)
for name, isPatched in enabledPatches:
status = 'disabled'
if isPatched:
status = 'enabled'
vdb.vprint('{0:30} {1:16}'.format(name, status))
return
oper = args[0].lower()
commands = [i.lower() for i in args[1:]]
if args[1] == 'all' and oper == 'on':
if win32_stealth.enableAllStealth(vdb.trace):
vdb.vprint('all enabled!')
return
if args[1] == 'all' and oper == 'off':
if win32_stealth.disableAllStealth(vdb.trace):
vdb.vprint('all disabled!')
return
if oper == 'on':
for i in commands:
if i in arglist:
if win32_stealth.stealthify(vdb.trace, i):
vdb.vprint('%s enabled!' % i)
if oper == 'off':
for i in commands:
if i in arglist:
if win32_stealth.unstealthify(vdb.trace, i):
vdb.vprint('%s disabled!' % i)
