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。
X{^}\,cVtG OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
< Z|Ep1W <1>与远程系统建立IPC连接
\@>b;4Fb+N <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
a"av#Y <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
i_kE^SSgm <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
0I{gJSK., <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
tV9LD>3 <6>服务启动后,killsrv.exe运行,杀掉进程
(Z}>1WRju <7>清场
nkv(~ej( 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
KK,Z"){
/***********************************************************************
zFQ&5@43 Module:Killsrv.c
#XnPsU<J Date:2001/4/27
$o +5/c?| Author:ey4s
2Sq_Tw3^ Http://www.ey4s.org c!hwmy; ***********************************************************************/
cD4
kC>P* #include
[I:KpAd/
#include
DOz\n|8S #include "function.c"
`+#G+Vu5 #define ServiceName "PSKILL"
xBFJ} v }P3tn SERVICE_STATUS_HANDLE ssh;
;Efcw[< SERVICE_STATUS ss;
j,d*?'X /////////////////////////////////////////////////////////////////////////
X1tXqHJF} void ServiceStopped(void)
o&hIHfZri {
h C=:q ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
1shBY@mlq ss.dwCurrentState=SERVICE_STOPPED;
WU4U Zpz ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
v_S4hz6w\ ss.dwWin32ExitCode=NO_ERROR;
ez3Z3t` ss.dwCheckPoint=0;
fZKt%m ss.dwWaitHint=0;
Wy]^Ub gW SetServiceStatus(ssh,&ss);
4gSH(*} return;
ICB~_O5 }
6r"u$i`o /////////////////////////////////////////////////////////////////////////
nJ?^?M'F% void ServicePaused(void)
AOp/d(vx5i {
0e[d=)XG ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
=op%8NJf ss.dwCurrentState=SERVICE_PAUSED;
qi^!GA'5j ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
^Cv^yTj;& ss.dwWin32ExitCode=NO_ERROR;
]l~Vi_c ss.dwCheckPoint=0;
O8U<{jgAG ss.dwWaitHint=0;
!TAp+b SetServiceStatus(ssh,&ss);
B$?qQ|0:= return;
XI Jlc~2 }
Zs2-u^3& void ServiceRunning(void)
I =Wc&1g {
\uG`|Dn ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
-xg2q
V\c ss.dwCurrentState=SERVICE_RUNNING;
(!5LW'3B ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
( #Z` ss.dwWin32ExitCode=NO_ERROR;
/?/#B ` ss.dwCheckPoint=0;
B`$L' ss.dwWaitHint=0;
+KEkmXZ SetServiceStatus(ssh,&ss);
X~Rl 6/, return;
CJaKnz }
3ew8m}A{O /////////////////////////////////////////////////////////////////////////
r$wZt void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
+]:2\TTGI {
xKOq[d/8 switch(Opcode)
CY?G*nS?iK {
RQW6N??C case SERVICE_CONTROL_STOP://停止Service
5~XN>>hp ServiceStopped();
W2-=U@ break;
~n!!jM:N case SERVICE_CONTROL_INTERROGATE:
uqyB5V0gh SetServiceStatus(ssh,&ss);
qJR!$? break;
iO1nwl !# }
w(nHD*nm return;
N"[B=fU} }
m+$ @'TbP //////////////////////////////////////////////////////////////////////////////
MVCl.o //杀进程成功设置服务状态为SERVICE_STOPPED
EA<}[4#jS //失败设置服务状态为SERVICE_PAUSED
|r RG=tG_' //
]7AX%EG3 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
^4v*W;Q {
T_<BVM ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
c:M$m3Cs? if(!ssh)
Zt3}Z4d {
?lCd{14Mkh ServicePaused();
ps:f=6m2 return;
9O,,m~B }
tZWrz
e^ ServiceRunning();
M] V.!z9B Sleep(100);
{Z{o"56f //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
zGcqzYbuA //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
(3,.3)%` if(KillPS(atoi(lpszArgv[5])))
&B{8uge1 ServiceStopped();
|-2}j2' else
+$z]w(lb T ServicePaused();
t@bt6J .{ return;
`BZ&~vJ_ }
ZC^C /////////////////////////////////////////////////////////////////////////////
}UyQ# U void main(DWORD dwArgc,LPTSTR *lpszArgv)
x4a:PuqmGG {
6er(% 4! SERVICE_TABLE_ENTRY ste[2];
)E7 FA| ste[0].lpServiceName=ServiceName;
?T:
jk4+ ste[0].lpServiceProc=ServiceMain;
zjX7C~h^Q ste[1].lpServiceName=NULL;
`kN#4p ste[1].lpServiceProc=NULL;
~KIDv;HSb[ StartServiceCtrlDispatcher(ste);
+zOOdSFk. return;
zxZtz }
q<=:
>? /////////////////////////////////////////////////////////////////////////////
Xwu.AVsr 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
D>T],3U(H 下:
|@VF.)_ /***********************************************************************
v$|mo;6 Module:function.c
}3/~x Date:2001/4/28
J>S3sP Author:ey4s
*ftC_v@p5 Http://www.ey4s.org h!]"R<QQdu ***********************************************************************/
X.|Ygx #include
v1[_}N9f>H ////////////////////////////////////////////////////////////////////////////
3-wD^4)O, BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
{0jIY {
d}0qJoH4 TOKEN_PRIVILEGES tp;
&y_? rH LUID luid;
W 5DbFSgB CSn<]%GL if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
.5tg4%l {
X1J;1hRUP printf("\nLookupPrivilegeValue error:%d", GetLastError() );
FbSa ~uN return FALSE;
*crw^e }
&&RA4 tp.PrivilegeCount = 1;
e 3@x*XI tp.Privileges[0].Luid = luid;
ij)Cm]4(2 if (bEnablePrivilege)
~Nh&.a tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
U1m\\<, else
~5#)N{GbY tp.Privileges[0].Attributes = 0;
?s{C// // Enable the privilege or disable all privileges.
X}JWf<=q AdjustTokenPrivileges(
r:l96^xs hToken,
Q^h5">P FALSE,
Etnb3<^[t &tp,
?g}kb sizeof(TOKEN_PRIVILEGES),
>2-F2E, (PTOKEN_PRIVILEGES) NULL,
Z^6#4Q]YC (PDWORD) NULL);
eO4)|tW // Call GetLastError to determine whether the function succeeded.
!ng\`
|8? if (GetLastError() != ERROR_SUCCESS)
j]> uZalr {
d?Y-;-|8Qh printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
B%b_/F]e return FALSE;
fNhT;Bux
}
c;V D}UD' return TRUE;
/mbCP>bcG }
5j[#'3TSU ////////////////////////////////////////////////////////////////////////////
Sb<\-O14" BOOL KillPS(DWORD id)
_-a|VTM {
QPg2Y<2 HANDLE hProcess=NULL,hProcessToken=NULL;
W%8+t) BOOL IsKilled=FALSE,bRet=FALSE;
kV^?p __try
}$)&{d G {
Gp1EJ2d8 m6so]xr if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
$pu3Ig$^ {
%-^}45](q printf("\nOpen Current Process Token failed:%d",GetLastError());
G1_Nd2w __leave;
I6w/0,azC }
Qb@eK$wo} //printf("\nOpen Current Process Token ok!");
K\sbt7~ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
fA
XE~ {
[@.B4p __leave;
k:0P+d }
%]jQ48^R printf("\nSetPrivilege ok!");
-Cj_B\ z> :U{!5k if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
'O "kt T {
o>u!CL< printf("\nOpen Process %d failed:%d",id,GetLastError());
FGVb@=TO> __leave;
9v?V }
X%J%A-k] //printf("\nOpen Process %d ok!",id);
T +\ B'" if(!TerminateProcess(hProcess,1))
,P{HE8. {
5'9.np F) printf("\nTerminateProcess failed:%d",GetLastError());
i<:p.ug-O __leave;
N !IzB] }
Y\8+}g;KR IsKilled=TRUE;
+ U5U.f% }
+u#Sl)F __finally
D=9}|b/ {
`@\^m_!} if(hProcessToken!=NULL) CloseHandle(hProcessToken);
{,v:
GMsm if(hProcess!=NULL) CloseHandle(hProcess);
8nu> gA }
@W)/\AZ3 return(IsKilled);
*f*f&l