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。
U#G[#sd> K OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
\dj&4u3 <1>与远程系统建立IPC连接
dDN#>| <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
!!&H'XEJV <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Ggy_
Ctu <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
(gBP`*2 <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
]Po9a4w# <6>服务启动后,killsrv.exe运行,杀掉进程
X}'3N'cbkU <7>清场
@O+yxGA 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
}h<\qvCcU /***********************************************************************
8[(eV. Module:Killsrv.c
E>Ukxi1 Date:2001/4/27
)t={+^Xe Author:ey4s
kvs^*X''Ep Http://www.ey4s.org \&]M \ ***********************************************************************/
9Ue3
%?~c #include
#M*h)/d[A #include
kXS_:f;M #include "function.c"
tr"iluwGc #define ServiceName "PSKILL"
%?+A.0]E B&A4-w v SERVICE_STATUS_HANDLE ssh;
c38RE,4U SERVICE_STATUS ss;
5sC{5LJzC /////////////////////////////////////////////////////////////////////////
+]H9:ARI void ServiceStopped(void)
`),7*gn*) {
fV*x2g7w ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
eKn&`\j6 ss.dwCurrentState=SERVICE_STOPPED;
K^t M$l\ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
i+T#z ss.dwWin32ExitCode=NO_ERROR;
g[Ah>
5 ss.dwCheckPoint=0;
N kp>yVj ss.dwWaitHint=0;
YIb5jK` SetServiceStatus(ssh,&ss);
r=4'6! return;
6NJ"ty9Bp }
`g6XVa*%# /////////////////////////////////////////////////////////////////////////
@B5@3zYs void ServicePaused(void)
K"Vv= {
aKS
2p3 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
'p-jMD}O ss.dwCurrentState=SERVICE_PAUSED;
S$\lM<M ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
0trVmWQ8 ss.dwWin32ExitCode=NO_ERROR;
w=d#y
)1 ss.dwCheckPoint=0;
8lI#D)} ss.dwWaitHint=0;
'#xxjhF^ SetServiceStatus(ssh,&ss);
Rct|"k_"Ys return;
r~F T, }
Qi2yaEB void ServiceRunning(void)
Xtbuy/8"1 {
3sc5meSu' ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
G40,KCa ss.dwCurrentState=SERVICE_RUNNING;
NUiZ!& ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
n )YNt ss.dwWin32ExitCode=NO_ERROR;
cyA|6Ltg% ss.dwCheckPoint=0;
CeS8I-, ss.dwWaitHint=0;
}!\NdQs SetServiceStatus(ssh,&ss);
E4[
|=< return;
Xhtc0\0"( }
\k0%7i[nZ/ /////////////////////////////////////////////////////////////////////////
3 8pw void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
rZ 9bz}K {
Z"'rc.>a switch(Opcode)
J}EQ_FC"$ {
0#F3@/1h case SERVICE_CONTROL_STOP://停止Service
Dk|S`3 ServiceStopped();
?l`DkUo*j break;
t&:'Ag.G case SERVICE_CONTROL_INTERROGATE:
sY7:Lzs., SetServiceStatus(ssh,&ss);
xr?=gY3E; break;
-liVYI2s }
"UKX~}8T return;
r Efk5R }
1c&/&6#5 //////////////////////////////////////////////////////////////////////////////
r!V#@Md //杀进程成功设置服务状态为SERVICE_STOPPED
VE4!=4 //失败设置服务状态为SERVICE_PAUSED
O^G/( //
.3qaaXeH void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
].]yqD4P {
'e02rqip{ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
\6)l(b; if(!ssh)
(FbqKx'uq {
,$Qa]UN5Q ServicePaused();
'Fo*h6= return;
gSEj/? }
N\=pH{ ServiceRunning();
vmAMlgZ8{< Sleep(100);
|4YDvDEJi //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
:N\*;> //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
!cE>L~cza if(KillPS(atoi(lpszArgv[5])))
kLR4?tX! ServiceStopped();
m46Q%hwV else
sI/Hcm ServicePaused();
\
lP
c,8) return;
oc?,8I[P5 }
6(sqS~D /////////////////////////////////////////////////////////////////////////////
yU\&\fD>j void main(DWORD dwArgc,LPTSTR *lpszArgv)
\v9IbU*js {
~-GgVi*I SERVICE_TABLE_ENTRY ste[2];
*PMvA1eN=# ste[0].lpServiceName=ServiceName;
Mr<2I ste[0].lpServiceProc=ServiceMain;
oaHg6PT! ste[1].lpServiceName=NULL;
@Rj&9/\L ste[1].lpServiceProc=NULL;
=DvFY]9{ StartServiceCtrlDispatcher(ste);
dl'pl return;
e{:P!r
aM }
)^
R]3!v /////////////////////////////////////////////////////////////////////////////
N6cf`xye function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
g)!B};AA 下:
'I($IM /***********************************************************************
=`xk|86f Module:function.c
@y;N
u Date:2001/4/28
{ r`l Author:ey4s
)W:`Q&/G Http://www.ey4s.org ,]i ^/fT ***********************************************************************/
'$ ~.x| #include
Z}T<^
F ////////////////////////////////////////////////////////////////////////////
%Xh/16X${ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
XPd>DH(Yc {
v{i'o4 TOKEN_PRIVILEGES tp;
"Fy34T0N LUID luid;
r*N:-I~z OwwH 45 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
>{~W" {
ro6|N?' printf("\nLookupPrivilegeValue error:%d", GetLastError() );
|0U"#xkf return FALSE;
$B7<1{<=W }
e7t).s)b{ tp.PrivilegeCount = 1;
>1`FRw< tp.Privileges[0].Luid = luid;
P1vr}J if (bEnablePrivilege)
Vpt)?];P tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
R<Ojaj=V else
H;k;%Zg; tp.Privileges[0].Attributes = 0;
QN9$n%Z // Enable the privilege or disable all privileges.
l:a+o gm3 AdjustTokenPrivileges(
miCt)Qd hToken,
k
sJz44 FALSE,
?O8NyCeb7 &tp,
r[vMiVb sizeof(TOKEN_PRIVILEGES),
xQ>c.}J/i (PTOKEN_PRIVILEGES) NULL,
8Z4d<DIJ (PDWORD) NULL);
}pbyC // Call GetLastError to determine whether the function succeeded.
3%/]y=rA if (GetLastError() != ERROR_SUCCESS)
yHurt>8b[ {
6`]R)i] printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
N6c']!aM@ return FALSE;
g^NdN46% }
_U1~^ucV return TRUE;
n&iWYECz }
+uM1#-+h ////////////////////////////////////////////////////////////////////////////
tE]g*]o BOOL KillPS(DWORD id)
Z@nM\/vLA {
>Gk<[0U HANDLE hProcess=NULL,hProcessToken=NULL;
`.
/[/z-g BOOL IsKilled=FALSE,bRet=FALSE;
c,Zs.
kC __try
" 6~pTHT {
U>(5J,G 7OS\j>hb~ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
uTpKT7t {
79~,KFct printf("\nOpen Current Process Token failed:%d",GetLastError());
I}puN! __leave;
Xj&{M[k< }
7$z")JB //printf("\nOpen Current Process Token ok!");
V,<,;d fR if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
+e)So+.W {
qlIC{:E0 __leave;
G&0&*mp }
LXVm0IOFF printf("\nSetPrivilege ok!");
gT<E4$I69 M/5/Tp if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
owCQ71Q {
aP!a?xq printf("\nOpen Process %d failed:%d",id,GetLastError());
A]Zp1XEG __leave;
ndOPD]A' }
U_ V0 //printf("\nOpen Process %d ok!",id);
8d-; ;V if(!TerminateProcess(hProcess,1))
25l6@7q. {
+>.plvZhu printf("\nTerminateProcess failed:%d",GetLastError());
fNFdZ[qOd __leave;
,yWTkql }
?6p6OB IsKilled=TRUE;
eE>3=1d]w }
X@b$C~+ __finally
a{L`C"rJ {
a)(j68c if(hProcessToken!=NULL) CloseHandle(hProcessToken);
fg8V6FS if(hProcess!=NULL) CloseHandle(hProcess);
'<