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。
M-Y_ Wb3 OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
=MDysb&: <1>与远程系统建立IPC连接
],Do6
@M- <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
P{lB50 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
sWnLEw <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
G3AesTT| <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
v;D~Pa <6>服务启动后,killsrv.exe运行,杀掉进程
YO}<Ytx <7>清场
M&9+6e'-F 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
60?%<oJ oH /***********************************************************************
tW}'g:s Module:Killsrv.c
\xw5JGm Date:2001/4/27
q(W3i^778 Author:ey4s
FP4P|kl/9' Http://www.ey4s.org 5D//*}b, ***********************************************************************/
*_\_'@1|J) #include
oV78Hq6 #include
>e5qv(y] #include "function.c"
U 0P~ #define ServiceName "PSKILL"
"b3"TPfK ":QZy8f9% SERVICE_STATUS_HANDLE ssh;
aHK}sr,U SERVICE_STATUS ss;
CryBwm /////////////////////////////////////////////////////////////////////////
LsU9 .
void ServiceStopped(void)
t!7-DF|N {
ZyFjFHe+ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
?) d~cJ ss.dwCurrentState=SERVICE_STOPPED;
^v7gIC ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
gT6jYQ ss.dwWin32ExitCode=NO_ERROR;
8$Y9ORs4 ss.dwCheckPoint=0;
lA8`l>I ss.dwWaitHint=0;
di )L[<$DY SetServiceStatus(ssh,&ss);
:P0mx return;
-r]W }
[FR`Z=% /////////////////////////////////////////////////////////////////////////
oE]QF.n# void ServicePaused(void)
-]M5wb2, {
G2:
agqL/ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
8VXH+5's ss.dwCurrentState=SERVICE_PAUSED;
_u QOHwn ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
8&b,qQ~ ss.dwWin32ExitCode=NO_ERROR;
O)r4?<Q ss.dwCheckPoint=0;
WOL:IZX% ss.dwWaitHint=0;
L$M9w SetServiceStatus(ssh,&ss);
cTT L1SW return;
FXkM#}RgNm }
3AN/
H void ServiceRunning(void)
XUuN )i {
$*=<Yw4 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
bY~pc\V:`w ss.dwCurrentState=SERVICE_RUNNING;
'E""amIJ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
oe-\ozJ0 ss.dwWin32ExitCode=NO_ERROR;
L)
T (< ss.dwCheckPoint=0;
Qh\60f>0 ss.dwWaitHint=0;
H6/$d SetServiceStatus(ssh,&ss);
[S!/E4>[' return;
d>qY{Fdz }
'm
kLCS /////////////////////////////////////////////////////////////////////////
&&>ekG9@ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
VRB;$ {
^s"R$?;h switch(Opcode)
dDLeSz$b {
Y`a3tO=Pd case SERVICE_CONTROL_STOP://停止Service
{F.[&/A ServiceStopped();
nZYBE030 break;
/f;~X"! case SERVICE_CONTROL_INTERROGATE:
ak!G8'w SetServiceStatus(ssh,&ss);
K J4.4Zq{c break;
P( 8OQL: }
Qq|57X)P* return;
f(MO_Sj] }
@|YH|/RF //////////////////////////////////////////////////////////////////////////////
JT_ `.( //杀进程成功设置服务状态为SERVICE_STOPPED
: eVq#3} //失败设置服务状态为SERVICE_PAUSED
8FY?!C //
.,6-u void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
-e:`|(Mo {
Z/+#pWBI! ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
6(ol1
(U if(!ssh)
Mb~F%_ {
JZyAXm% ServicePaused();
$*fMR,~t& return;
l!u_"I8j5 }
g]0_5?i ServiceRunning();
zy
}$i? Sleep(100);
v`1M[ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
1p=]hC //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
xU`p|(SS- if(KillPS(atoi(lpszArgv[5])))
H9e<v4c ServiceStopped();
2[02,FG else
_.8S& ServicePaused();
#AQV(;r7@ return;
8bld3p"^ }
~b8]H|<'Y /////////////////////////////////////////////////////////////////////////////
?$4 PVI} void main(DWORD dwArgc,LPTSTR *lpszArgv)
Ig>(m49d {
Er?&Y,o SERVICE_TABLE_ENTRY ste[2];
%1+4_g9 ste[0].lpServiceName=ServiceName;
(SAs- ste[0].lpServiceProc=ServiceMain;
Rnq7LGy ste[1].lpServiceName=NULL;
)+9Uoe~6 ste[1].lpServiceProc=NULL;
$~T4hv : StartServiceCtrlDispatcher(ste);
<wD-qT W return;
[/8%3 }
S 30%)<W /////////////////////////////////////////////////////////////////////////////
0<@@?G function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
u]UOSf n 下:
'TB2:W3 /***********************************************************************
_X
x/(.O Module:function.c
kE1TP]| Date:2001/4/28
* r7rZFS Author:ey4s
>fQMXfoY Http://www.ey4s.org *\F~[ ***********************************************************************/
d%n-[ZL #include
X!EP$! ////////////////////////////////////////////////////////////////////////////
8YSAf+{FtK BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
:^h$AWR^f {
-zfR)(zG TOKEN_PRIVILEGES tp;
LZxNAua LUID luid;
4BpZJ~(p 7HYwLG:\~ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
@f3E`8 {
:Zw2'IV printf("\nLookupPrivilegeValue error:%d", GetLastError() );
AH~E )S return FALSE;
R.<g3"Lm> }
{E|$8)58i tp.PrivilegeCount = 1;
(TT}6j tp.Privileges[0].Luid = luid;
\ @2R9,9E if (bEnablePrivilege)
pOoEI+t tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
DZtsy!xA else
[ub e6 tp.Privileges[0].Attributes = 0;
KF:78C // Enable the privilege or disable all privileges.
\Yr Ue1 AdjustTokenPrivileges(
,r_Gf5c hToken,
bW(0Ng FALSE,
4;2uW#dG" &tp,
FGBbO\</ sizeof(TOKEN_PRIVILEGES),
Yrq~5)% (PTOKEN_PRIVILEGES) NULL,
PLBrP (PDWORD) NULL);
O*P.]d // Call GetLastError to determine whether the function succeeded.
5*u+q2\F if (GetLastError() != ERROR_SUCCESS)
xr^LFn) {
E|shs=I printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
8P\Zo8}v return FALSE;
W ]8QM1$ }
j8:\%| return TRUE;
Dk5 1z@ }
'i|YlMFI g ////////////////////////////////////////////////////////////////////////////
((%?`y BOOL KillPS(DWORD id)
P?P#RhvA1 {
)MT}+ai HANDLE hProcess=NULL,hProcessToken=NULL;
tw)mepwB BOOL IsKilled=FALSE,bRet=FALSE;
m+z&Q __try
"qy,*{~ {
+k R4E23: jT;;/Fd3/ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
}4X0epPp;: {
]7c=PC printf("\nOpen Current Process Token failed:%d",GetLastError());
rEz^ __leave;
:NTO03F7v }
A?OQE9' //printf("\nOpen Current Process Token ok!");
}"%N4(Kd if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
6j|{`Zd)G {
j3ls3H& __leave;
0jWVp-y }
gbD KE{ printf("\nSetPrivilege ok!");
2y1Sne=<Kb HTTCTR if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
lPAQ3t!, {
SSzIih@u printf("\nOpen Process %d failed:%d",id,GetLastError());
E2+`4g@{8< __leave;
%mgE;~"& }
%iqD5x$OA //printf("\nOpen Process %d ok!",id);
vW@=<aS Z if(!TerminateProcess(hProcess,1))
Y8t8!{ytg {
?:9"X$XR printf("\nTerminateProcess failed:%d",GetLastError());
4s
oJ.j8 __leave;
E=O\0!F|b }
[dV L&k<P IsKilled=TRUE;
bpa?C }
3=V&K- __finally
'dc#F3 {
1Ai^cf:S if(hProcessToken!=NULL) CloseHandle(hProcessToken);
b%c9oR's^ if(hProcess!=NULL) CloseHandle(hProcess);
cso8xq|b7 }
tfWS)y7 return(IsKilled);
%\:Wi#w> }
dqcL]e //////////////////////////////////////////////////////////////////////////////////////////////
@>7%qS OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
&BSn? /*********************************************************************************************
iH'p>s5L ModulesKill.c
hgE71H\s Create:2001/4/28
akTk( Modify:2001/6/23
1k^oS$UT Author:ey4s
?Q;=v~-Q Http://www.ey4s.org 2st3 PsKill ==>Local and Remote process killer for windows 2k
x.4m|f0; **************************************************************************/
:Llb< MY2 #include "ps.h"
3PF_H$`oJ #define EXE "killsrv.exe"
0PCGDLk8 #define ServiceName "PSKILL"
\z ) %$#I B`sAk
% #pragma comment(lib,"mpr.lib")
?gXp*>Kg[ //////////////////////////////////////////////////////////////////////////
a,o*=r //定义全局变量
pTuS*MYz SERVICE_STATUS ssStatus;
QTnP'5y SC_HANDLE hSCManager=NULL,hSCService=NULL;
ksm~<;td BOOL bKilled=FALSE;
,`sv1xwd char szTarget[52]=;
iN.n8MN=I //////////////////////////////////////////////////////////////////////////
$<OD31T BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
"9807OME BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
D)}v@je"yP BOOL WaitServiceStop();//等待服务停止函数
IAyp 2 BOOL RemoveService();//删除服务函数
V]?R>qhgu /////////////////////////////////////////////////////////////////////////
l}P=/#</T int main(DWORD dwArgc,LPTSTR *lpszArgv)
|1Z)E+q*: {
9jGu}Vo BOOL bRet=FALSE,bFile=FALSE;
-F3-{E char tmp[52]=,RemoteFilePath[128]=,
EiaW1Cs szUser[52]=,szPass[52]=;
wdoR%b{M HANDLE hFile=NULL;
qxJ\ye+'* DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
.X;K%J2 "uf%iJ:% //杀本地进程
*=xr-!MEk if(dwArgc==2)
_','9| {
{\\Tgs if(KillPS(atoi(lpszArgv[1])))
U%/+B]6jP printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
'0,^6'VWOV else
2+WaA, printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
!TcJ)0
lpszArgv[1],GetLastError());
&,)&%Sg[ return 0;
A/?7w
}
c4z R* //用户输入错误
3r1*m
+ else if(dwArgc!=5)
,tRj4mx {
fd9k?,zM printf("\nPSKILL ==>Local and Remote Process Killer"
$NO&YLS@ "\nPower by ey4s"
[KQ6Ta. "\nhttp://www.ey4s.org 2001/6/23"
rW#T
vUn "\n\nUsage:%s <==Killed Local Process"
lr$zHI7_` "\n %s <==Killed Remote Process\n",
N)Z?Z+}h lpszArgv[0],lpszArgv[0]);
EBmt9S return 1;
d0 /#nz }
Z #m+ObHK1 //杀远程机器进程
|+"(L#wk strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
D3K8F@d strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
W(/h Vt strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
`wU!`\ XB5DPx //将在目标机器上创建的exe文件的路径
\.}c9*) sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
x$(f7?s] 1 __try
HtYwEj I {
7>*vI7O0l //与目标建立IPC连接
Vf1^4t if(!ConnIPC(szTarget,szUser,szPass))
Dum9lj {
N4HqLh23H printf("\nConnect to %s failed:%d",szTarget,GetLastError());
@|T'0_' return 1;
Z$? # }
^d73Ig:8q printf("\nConnect to %s success!",szTarget);
kAGBdaJ" //在目标机器上创建exe文件
Jfl!#UAD|n 6-ils3& hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
<=C?e<Y E,
@=f\<"$vt NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
3irl
(;v if(hFile==INVALID_HANDLE_VALUE)
'/%H3A#L {
{+ b7sA3 printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
p{dj~ &v __leave;
/z $u]X }
pI<f) r //写文件内容
XRQ4\bMA8 while(dwSize>dwIndex)
1yY0dOoLG) {
S`Rs82> [=`q>|;pOv if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
hK|Ul]qI {
8Xs8A. printf("\nWrite file %s
I1&aM}y{G failed:%d",RemoteFilePath,GetLastError());
MnW+25=N __leave;
{BU;$ }
B#1;r-^P< dwIndex+=dwWrite;
IEvdV6{K }
Jj%K=sw //关闭文件句柄
`~q <N CloseHandle(hFile);
Yu2Bkq+ bFile=TRUE;
ht}wEvv //安装服务
uFga~g if(InstallService(dwArgc,lpszArgv))
#gw]'&{8D {
/;
85i6 //等待服务结束
IV)j1 if(WaitServiceStop())
jmW7)jT8: {
n'6jou //printf("\nService was stoped!");
+X]vl=0 }
7"D.L-H else
)@bQu~Y {
3"\l u?-E //printf("\nService can't be stoped.Try to delete it.");
"U"Z 3* }
|#N&