杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
$ ]#WC\Hv OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
!6@ 'H4cb= <1>与远程系统建立IPC连接
r\Yh'cRW{ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
KLE)+| <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
\iP@|ay9 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
Ym!e}`A\F <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
Eh|,[D!E <6>服务启动后,killsrv.exe运行,杀掉进程
BenyA:W" <7>清场
XoL DqN! 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
I~@8SSO,vH /***********************************************************************
Z@f{f:Jc/" Module:Killsrv.c
gq/Za/!6 Date:2001/4/27
b78~{ht` Author:ey4s
IF\ @uo` Http://www.ey4s.org xIC@$GP ***********************************************************************/
h:r?:C>n #include
DuZ Zu #include
Q~VM.G #include "function.c"
/kg#i&bP~ #define ServiceName "PSKILL"
c;fLM`{* &>E gKL SERVICE_STATUS_HANDLE ssh;
d!YP{y P SERVICE_STATUS ss;
#8yo9g6 /////////////////////////////////////////////////////////////////////////
J p+'"a void ServiceStopped(void)
]sk=V.GGQ {
5g/,VMe ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Lhe& ss.dwCurrentState=SERVICE_STOPPED;
{uoF5|O6K ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
s.Ai_D ss.dwWin32ExitCode=NO_ERROR;
x\8|A ss.dwCheckPoint=0;
3}F>t{FDk ss.dwWaitHint=0;
El;"7Qn SetServiceStatus(ssh,&ss);
Jou*e% return;
tqCkqmyC }
&tvp)B?cWk /////////////////////////////////////////////////////////////////////////
l&'q+F void ServicePaused(void)
q!@!eC[b {
4gsQ:3 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
7bihP@I! ss.dwCurrentState=SERVICE_PAUSED;
VJ&<6 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
,m5i(WL ss.dwWin32ExitCode=NO_ERROR;
p\lR1 ss.dwCheckPoint=0;
}$'_%, ss.dwWaitHint=0;
E5M/XW\E6 SetServiceStatus(ssh,&ss);
!]82$ return;
C&MqH.K }
dS4z Oz" void ServiceRunning(void)
)H{1Xjh- {
z[v4(pO6 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
^MF 2Q+ ss.dwCurrentState=SERVICE_RUNNING;
L\:m)g,F. ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Ez5t)l- ss.dwWin32ExitCode=NO_ERROR;
>(S)aug$1 ss.dwCheckPoint=0;
D5snaGss9a ss.dwWaitHint=0;
ZL\^J8PRK SetServiceStatus(ssh,&ss);
, 6X;YY return;
h-?yed*? }
Oh p@ZJ!a? /////////////////////////////////////////////////////////////////////////
,}gJY^X+ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
6&ut r!\7 {
5)lcgvp switch(Opcode)
1p$(\ {
5P"R'/[PA_ case SERVICE_CONTROL_STOP://停止Service
kaB|+U9^ ServiceStopped();
,.>9$( s break;
C9sU^]#F case SERVICE_CONTROL_INTERROGATE:
Vb\g49\o/ SetServiceStatus(ssh,&ss);
dB0#EJaE break;
3WGE T[3 }
!V3+(o1 return;
:VZS7$5 }
d$3md<lIB //////////////////////////////////////////////////////////////////////////////
>{tn2Fkg> //杀进程成功设置服务状态为SERVICE_STOPPED
6{=U=
* //失败设置服务状态为SERVICE_PAUSED
wTU$jd1;+ //
w|s2f`! void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
n-cI~Ax+4 {
T:X* ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
O& Sk}^ if(!ssh)
aq}hlA(w {
d4;$=P ServicePaused();
PR:B6 F8 return;
A+* lV*@0 }
L,y
q=%h| ServiceRunning();
8xgBNQdPT Sleep(100);
jc
Mn //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
}%/mPbd# //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
XNJZ~Mowb if(KillPS(atoi(lpszArgv[5])))
_uMG?Sbx ServiceStopped();
N'WTIM3W else
W6NhJ#M7 ServicePaused();
!6=;dX return;
t8EI"| }
9=MNuV9/s /////////////////////////////////////////////////////////////////////////////
A'z]?xQR void main(DWORD dwArgc,LPTSTR *lpszArgv)
PKrG6%
W+ {
9u{[e" SERVICE_TABLE_ENTRY ste[2];
@i>)x*I#AI ste[0].lpServiceName=ServiceName;
BNCM{}e ste[0].lpServiceProc=ServiceMain;
%Tp
k1 ste[1].lpServiceName=NULL;
3Z9Yzv)A ste[1].lpServiceProc=NULL;
(l{8Ixs StartServiceCtrlDispatcher(ste);
;P)oKx return;
GEc-<`- }
fGlvum /////////////////////////////////////////////////////////////////////////////
v9:J 55x function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
20|_wAA5 下:
!<:Cd(bM /***********************************************************************
z:f&k}( Module:function.c
=|1_6.tz Date:2001/4/28
0<!9D):Bb Author:ey4s
q&-mbWBj Http://www.ey4s.org M11\Di1 ***********************************************************************/
xn2 nh@; #include
5tbCx!tL ////////////////////////////////////////////////////////////////////////////
0q"4\#4l BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
`KA==;0 {
*mp:#' TOKEN_PRIVILEGES tp;
k}fC58q LUID luid;
Tty'ysH g:Qq%' if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
{. 9BG& {
auK9wQ%\ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
by
@q g: return FALSE;
VtLRl0/ }
uE')<fVX( tp.PrivilegeCount = 1;
k37?NoT tp.Privileges[0].Luid = luid;
HAK,z0/ if (bEnablePrivilege)
1!MJ+?Jl tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
f)T\ else
-\f7qRW^U tp.Privileges[0].Attributes = 0;
k+ t(u] // Enable the privilege or disable all privileges.
j;`Q82V\ AdjustTokenPrivileges(
Hvk~BP'
m
hToken,
Eu(QeST\ FALSE,
IN bV6jZL &tp,
i&>^"_4rc sizeof(TOKEN_PRIVILEGES),
-fA =&$V (PTOKEN_PRIVILEGES) NULL,
({t^/b*8 (PDWORD) NULL);
P".}Y[GD // Call GetLastError to determine whether the function succeeded.
}qECpKa0 if (GetLastError() != ERROR_SUCCESS)
RQ8d1US {
Nq`;\E.M printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
j_so s%- return FALSE;
g]vB\5uA: }
Y`j$7!j return TRUE;
L'{W|Xb+ }
Qpmq@iL ////////////////////////////////////////////////////////////////////////////
0o>C,
` BOOL KillPS(DWORD id)
{FvFah {
]?VVwft HANDLE hProcess=NULL,hProcessToken=NULL;
~#)hqU' BOOL IsKilled=FALSE,bRet=FALSE;
rah"\f2 __try
.?6p~ {
#b[bgxm ,.9 lz if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
bfz7t!A)A {
~
q-Z-MA printf("\nOpen Current Process Token failed:%d",GetLastError());
-z`%x@F<&L __leave;
qF~9:` }
Mn
,hmIz //printf("\nOpen Current Process Token ok!");
<)T| HKx if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
?3BcjD0 {
o@L0ET __leave;
n3~axRPO }
GoybkwFjZ printf("\nSetPrivilege ok!");
/lC# !$9vz +I3Vfv if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
h-ii-c?R@0 {
r!Dk_|Cd printf("\nOpen Process %d failed:%d",id,GetLastError());
8C3oi&av/{ __leave;
-yqgs>R(d }
A3/[9}(U //printf("\nOpen Process %d ok!",id);
~7ZZb*].( if(!TerminateProcess(hProcess,1))
zG_n x3 {
cQt&%SVT]E printf("\nTerminateProcess failed:%d",GetLastError());
~NK $rHwi% __leave;
rlKR
<4H }
`(HD'f ud3 IsKilled=TRUE;
9Q,>I6`l }
}
KyoMs __finally
!rRBy3& {
z9S
(<