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。
N[|by}@n OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
VWnu#_( <1>与远程系统建立IPC连接
I v 80,hW <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
F9>(W#aC <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
lW{I`r\] <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
*so6]+)cU <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
X m_Ub>N5 <6>服务启动后,killsrv.exe运行,杀掉进程
=RCfibT!C <7>清场
;/6:lL 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
{,nd_3"Vq /***********************************************************************
@LwVmR |{ Module:Killsrv.c
%8bFQNd Date:2001/4/27
`Gy>tD.#V- Author:ey4s
XnNOj>! Http://www.ey4s.org Z_eqM4{ ***********************************************************************/
cOj +}Hz58 #include
V^/h;/!^ #include
$G^H7|PzdC #include "function.c"
\rw'QAi8r #define ServiceName "PSKILL"
cG~_EX$ vZ1D3ytfG SERVICE_STATUS_HANDLE ssh;
s5_1}KKCs SERVICE_STATUS ss;
HnH2u; /////////////////////////////////////////////////////////////////////////
BMtYM{S6 void ServiceStopped(void)
Q rrZF. {
>o=axZNa ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
(_s!,QUe ss.dwCurrentState=SERVICE_STOPPED;
D9@<#2- ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
~@a) E+LsF ss.dwWin32ExitCode=NO_ERROR;
$w2[5|^S ss.dwCheckPoint=0;
juve9HaW ss.dwWaitHint=0;
Z(Ls#hp SetServiceStatus(ssh,&ss);
Px^<2Q%Fs return;
Yc|-sEK/ }
b_)QBE9 /////////////////////////////////////////////////////////////////////////
{4V:[*3 void ServicePaused(void)
(<5'ceF)X {
B8BY3~}] ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
]% ZjD ss.dwCurrentState=SERVICE_PAUSED;
dxae2 tV ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
)nbyV a ss.dwWin32ExitCode=NO_ERROR;
Z;dwn~Tw ss.dwCheckPoint=0;
^YB\\a9 ss.dwWaitHint=0;
T^f&58{ 7 SetServiceStatus(ssh,&ss);
] BP^.N= return;
!Cv<>_N). }
[8om9 Z3 void ServiceRunning(void)
BhhK| U/ {
;r2b@x:<_ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
CM@"lV_ ss.dwCurrentState=SERVICE_RUNNING;
6P/9Vh j' ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
N|^!"/ ss.dwWin32ExitCode=NO_ERROR;
5u=U-- ss.dwCheckPoint=0;
1nX68fS.9 ss.dwWaitHint=0;
r(/P||`l SetServiceStatus(ssh,&ss);
:u|UVp5 return;
QVA!z## }
HjETinm" /////////////////////////////////////////////////////////////////////////
J[_?>YJ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
|~T+f& {
w-q=.RSTn= switch(Opcode)
CsQ}P) {
'E4(!H,k case SERVICE_CONTROL_STOP://停止Service
\[hrG?A ServiceStopped();
N]<~NG:6b break;
F0o18k_" case SERVICE_CONTROL_INTERROGATE:
Ov{B-zCA SetServiceStatus(ssh,&ss);
`b,g2XA break;
G@l|u }
vr]dRStr return;
5"Xo R) }
6b1 Uj< //////////////////////////////////////////////////////////////////////////////
mhHm# //杀进程成功设置服务状态为SERVICE_STOPPED
7zOvoQ} //失败设置服务状态为SERVICE_PAUSED
dsft=t8s //
=}1~~ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
*TMM:w|1 {
'rcsK ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
)="g?E3 if(!ssh)
gs2&0rnOy\ {
&`9bGO ServicePaused();
}e;p8)]Wl return;
nh_xbo5L[ }
9ixnf=$Jp ServiceRunning();
G#=b6DB Sleep(100);
@rDv
(W //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
4h2bk\z- //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
sjgxx7 if(KillPS(atoi(lpszArgv[5])))
,'@ISCK^ ServiceStopped();
'\3.isTsx else
DW;.R<8 ServicePaused();
k?_$h<Y return;
;:K?7wfXn }
BtDgv.;GH /////////////////////////////////////////////////////////////////////////////
HoQ(1e$G- void main(DWORD dwArgc,LPTSTR *lpszArgv)
8B(Q7Qj {
?eZ"UGZg' SERVICE_TABLE_ENTRY ste[2];
boHm1hPKS ste[0].lpServiceName=ServiceName;
{~
vPq ste[0].lpServiceProc=ServiceMain;
OTr!?xi ste[1].lpServiceName=NULL;
085 ^!AZ ste[1].lpServiceProc=NULL;
<H(AS' StartServiceCtrlDispatcher(ste);
#
v/aI*Rl return;
P|QnZ){ }
k@X
As /////////////////////////////////////////////////////////////////////////////
[O =)FiY- 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
Ql!6I ( 下:
eXtF[0f /***********************************************************************
~s^6Q#Z9| Module:function.c
fTnyCaB Date:2001/4/28
(5\d[||9g Author:ey4s
/-} p7AM Http://www.ey4s.org /:];2P6#X ***********************************************************************/
q.Aw!]:! #include
Nl>b'G96 ////////////////////////////////////////////////////////////////////////////
7B> cmi BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
pLFL6\{g {
@;-Un/'C;7 TOKEN_PRIVILEGES tp;
|kRx[UL LUID luid;
S}oF7;'Ga r_2VExk if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
~8qFM {
7.=s1~p printf("\nLookupPrivilegeValue error:%d", GetLastError() );
a~+WL return FALSE;
zK]%qv] }
SX94,5 _Q tp.PrivilegeCount = 1;
pPqbD}p tp.Privileges[0].Luid = luid;
SOY#, Zu if (bEnablePrivilege)
oZ>]8vw tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
Kh_>V m/ else
vt7C tp.Privileges[0].Attributes = 0;
:=fHPT // Enable the privilege or disable all privileges.
2tTV5,(1 AdjustTokenPrivileges(
yvnrZ&x: hToken,
Ib<+m%Ac FALSE,
<UHf7:0V &tp,
kT3;%D^ sizeof(TOKEN_PRIVILEGES),
iY`7\/H!L (PTOKEN_PRIVILEGES) NULL,
=(uy':Dbn* (PDWORD) NULL);
1 jd=R7 // Call GetLastError to determine whether the function succeeded.
9U%}"uE if (GetLastError() != ERROR_SUCCESS)
;R>42
qYF {
|zegnq~ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
!)1Zp* return FALSE;
>@\?\!Go }
e(5Px!B return TRUE;
^C#bW<T }
*fyEw\`a ////////////////////////////////////////////////////////////////////////////
P=hf/jOv9 BOOL KillPS(DWORD id)
gf8U &; {
PbC>v HANDLE hProcess=NULL,hProcessToken=NULL;
}Z%{QJ$z BOOL IsKilled=FALSE,bRet=FALSE;
YV+dUvz __try
s%re>)=| {
*" +cP! rb4g<f| if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
"pJEzC {
N>#P
1!eP printf("\nOpen Current Process Token failed:%d",GetLastError());
8&iI+\lCy __leave;
))-M+CA }
:re(khZq# //printf("\nOpen Current Process Token ok!");
(B4A$t if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
>LZ)<-Mk {
'wHkE/83 __leave;
<OFqUp*l }
GOgT(.5 printf("\nSetPrivilege ok!");
]t0S_UH$ J:!Gf^/) if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
JqIv&W