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。
,P T5-9 m OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
{'^!S"9x <1>与远程系统建立IPC连接
K,$Ro@! <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
<*vWcCS1 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
3[a&|!Yw <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
HTa]T' <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
fl4z'8P"( <6>服务启动后,killsrv.exe运行,杀掉进程
iVQ)hsW/ <7>清场
0o>l+c 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
f\zu7,GU /***********************************************************************
hk7kg/" Module:Killsrv.c
s4&JBm(33N Date:2001/4/27
E[nJ'h<h Author:ey4s
Tp.t.Qic Http://www.ey4s.org 5?yc*mOZ ***********************************************************************/
F s{}bQyQ #include
&3:U&}I #include
%"C%pA #include "function.c"
;r1.Uz( #define ServiceName "PSKILL"
NmH:/xU?^ kzb%=EI SERVICE_STATUS_HANDLE ssh;
^=1:!'*3D SERVICE_STATUS ss;
7/UdE:~]*= /////////////////////////////////////////////////////////////////////////
ITmW/Im5 void ServiceStopped(void)
W3HTQGV {
U~}cib5W5 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
#A@d;U% ss.dwCurrentState=SERVICE_STOPPED;
RoY"Haa ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
XSv)=]{ ss.dwWin32ExitCode=NO_ERROR;
jW<aAd ss.dwCheckPoint=0;
)d^b\On ss.dwWaitHint=0;
w%NT
0J SetServiceStatus(ssh,&ss);
Ia'm9Z* return;
8euh]+ }
O\5q_>] /////////////////////////////////////////////////////////////////////////
?04$1n: void ServicePaused(void)
WNa#X]*E) {
/ DC\F5 G ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
4Up3x+bg ss.dwCurrentState=SERVICE_PAUSED;
Aq5@k\[ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
%ylpn7I\6 ss.dwWin32ExitCode=NO_ERROR;
:8CYTEc ss.dwCheckPoint=0;
:VvJx] ss.dwWaitHint=0;
x$WdW+glZ- SetServiceStatus(ssh,&ss);
8va&*J?
2 return;
Lu6?$N57rC }
MF}}o0P void ServiceRunning(void)
C>0='@LB@r {
c9<&+ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
l0sBXs`3b ss.dwCurrentState=SERVICE_RUNNING;
/Sn>{ & ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Qk_Mx" ss.dwWin32ExitCode=NO_ERROR;
|Ox!tvyr ss.dwCheckPoint=0;
~|!f6= ss.dwWaitHint=0;
mz<wYV* SetServiceStatus(ssh,&ss);
giNyD4uO return;
ZBf9Upg }
*9?T?S|^$F /////////////////////////////////////////////////////////////////////////
-AX[vTB void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
bpv?$j-j {
km[PbC
switch(Opcode)
q*36/I {
GO|EeM!iB case SERVICE_CONTROL_STOP://停止Service
\.AI;^)X@] ServiceStopped();
L[LgQ7esQ break;
-y1t;yU.L case SERVICE_CONTROL_INTERROGATE:
Z,ZebS@yG SetServiceStatus(ssh,&ss);
MV,;l94?%= break;
8>(DQ"h }
!P"=57d}"l return;
zm9_[0 }
`
g5S //////////////////////////////////////////////////////////////////////////////
DP-euz //杀进程成功设置服务状态为SERVICE_STOPPED
*K}j>A //失败设置服务状态为SERVICE_PAUSED
L3
VyW8Y //
HHMv%H]M void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
A>OGU ^ {
%J
'RO ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
CNRiK;nQ if(!ssh)
[ ]LiL;A& {
j}devpO ServicePaused();
VJ'bS9/T return;
<e%~K4KH }
H5'Le{ ServiceRunning();
Dn9AOi! Sleep(100);
/[|ODfY //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
=nTNL .SX //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
rcyq+wY # if(KillPS(atoi(lpszArgv[5])))
u}L;/1,B ServiceStopped();
&8^1:CcE else
GSh~j-C' ServicePaused();
4 -dV%DgC return;
G._E9 }
oP 0ZJK&; /////////////////////////////////////////////////////////////////////////////
LmA I vEr void main(DWORD dwArgc,LPTSTR *lpszArgv)
1X45~ {
SA'c}gP SERVICE_TABLE_ENTRY ste[2];
oO8opS7F ste[0].lpServiceName=ServiceName;
)b_
GKA
` ste[0].lpServiceProc=ServiceMain;
::Nhs/B/ ste[1].lpServiceName=NULL;
%!_%%p,f ste[1].lpServiceProc=NULL;
"k%B;!We) StartServiceCtrlDispatcher(ste);
_);;@T return;
n;5;D }
3"pl="[* /////////////////////////////////////////////////////////////////////////////
TiF2c#Q*y 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
~l=Jx* 下:
|##rs /***********************************************************************
&\_cU?0d Module:function.c
?7:?OX Date:2001/4/28
~=pAy>oV Author:ey4s
#!n"),3 Http://www.ey4s.org + mqz)-x ***********************************************************************/
^^{gn3xJ #include
xr<.r4 ////////////////////////////////////////////////////////////////////////////
K#LG7faj BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
RlH~<|XK {
nLfITr|5 TOKEN_PRIVILEGES tp;
]rs7%$ZW LUID luid;
FKN!*}3 ;%V%6:5 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
N+[ |"v {
D]h~\ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
= Nd&My return FALSE;
6}>:sr }
!_|rVg. tp.PrivilegeCount = 1;
k\J 6WT tp.Privileges[0].Luid = luid;
vMQvq9T} if (bEnablePrivilege)
> 10pk tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
.vbUv3NI else
(6WSQqp tp.Privileges[0].Attributes = 0;
~{O9dEI // Enable the privilege or disable all privileges.
O [81nlhS0 AdjustTokenPrivileges(
Q.N, Q`P hToken,
YVEin1] FALSE,
r,` 5 9 &tp,
)^ky @V sizeof(TOKEN_PRIVILEGES),
\>>^eZ (PTOKEN_PRIVILEGES) NULL,
_#nP->0) (PDWORD) NULL);
ezOZHY>|# // Call GetLastError to determine whether the function succeeded.
w ?+v+k\ if (GetLastError() != ERROR_SUCCESS)
%j[DG_ {
i7m=V T printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
R4R SXV return FALSE;
VgSk\:t }
M]Y72K^ return TRUE;
6}RRrYL7I }
%ys-y?r ////////////////////////////////////////////////////////////////////////////
pNHO;N[& BOOL KillPS(DWORD id)
>^ E {
: cmQ
w HANDLE hProcess=NULL,hProcessToken=NULL;
``:AF: BOOL IsKilled=FALSE,bRet=FALSE;
Ofyz,%
|Q __try
%Ny`d49& {
\3ZQ:E}5 l5m5H,` if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
_v+mjDdQ {
.skR4f,h printf("\nOpen Current Process Token failed:%d",GetLastError());
-C7IUat< __leave;
t!g9,xG<X }
Px>Gc:!> //printf("\nOpen Current Process Token ok!");
bwm?\l.A if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
6#JdQ[IP6 {
G|p3NhLgO= __leave;
~4Gs\U:!Q }
kUdl2["MZ printf("\nSetPrivilege ok!");
A!K/92[#@ Eoj 2l&\ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
'Gw;@[ {
E/MNz}+ printf("\nOpen Process %d failed:%d",id,GetLastError());
\rw/d5. __leave;
ma\UJz }
S!<1CFh //printf("\nOpen Process %d ok!",id);
=.]>,N`C if(!TerminateProcess(hProcess,1))
b$24${*' {
sp0j2<$a printf("\nTerminateProcess failed:%d",GetLastError());
CFW\ __leave;
}Ot
I8;> }
_PPW9US{ IsKilled=TRUE;
>tq,F"2amC }
@R|Gz/ __finally
.3B3Z&vr {
?Q`Sx if(hProcessToken!=NULL) CloseHandle(hProcessToken);
}^Unx W if(hProcess!=NULL) CloseHandle(hProcess);
e%v<nGN.- }
jDp]}d|f) return(IsKilled);
@[qGoai }
Q/%(&4>'y //////////////////////////////////////////////////////////////////////////////////////////////
V0gk8wD 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:
Ch1+YZG /*********************************************************************************************
lD8&*5tDmP ModulesKill.c
{ZS-]|Kx Create:2001/4/28
$Yr'`(Cbc Modify:2001/6/23
Vs1j9P|G Author:ey4s
[\M=w7 Http://www.ey4s.org y1JxAj PsKill ==>Local and Remote process killer for windows 2k
OZF^w[ `w **************************************************************************/
zs@#.OEH #include "ps.h"
j;tT SNF #define EXE "killsrv.exe"
P}%0YJ$6 #define ServiceName "PSKILL"
J{gqm 1GnT^u y/ #pragma comment(lib,"mpr.lib")
4DVkycM //////////////////////////////////////////////////////////////////////////
gDw:Z/1X` //定义全局变量
OAc*W<Q0 SERVICE_STATUS ssStatus;
brkR,(#L3 SC_HANDLE hSCManager=NULL,hSCService=NULL;
1`tE Hu. BOOL bKilled=FALSE;
LvJ')HG char szTarget[52]=;
?Jlz{ms I //////////////////////////////////////////////////////////////////////////
Ty"OJ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
&=sVq^d@qe BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
s<I[)FQVr BOOL WaitServiceStop();//等待服务停止函数
XIu3n9g^# BOOL RemoveService();//删除服务函数
959i2z /////////////////////////////////////////////////////////////////////////
l_lm)'ag int main(DWORD dwArgc,LPTSTR *lpszArgv)
sOJH$G3O {
zFjG20w%3g BOOL bRet=FALSE,bFile=FALSE;
w$9aTL7 char tmp[52]=,RemoteFilePath[128]=,
)
0x*>;"o szUser[52]=,szPass[52]=;
#rZk&q HANDLE hFile=NULL;
Tr1#=&N0 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
yqF$J"=| OXC7
m //杀本地进程
JTw'ecFev if(dwArgc==2)
zX-6]j; {
OE!:`Bo3T if(KillPS(atoi(lpszArgv[1])))
GfAt-huL( printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Ge+&C RhyX else
{d\erG( printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
()}B]? lpszArgv[1],GetLastError());
4]N`pD5 return 0;
2kTLj2@o, }
[?<"SJ,` //用户输入错误
/3*75 else if(dwArgc!=5)
x@F"ZiYD@O {
j:%~: printf("\nPSKILL ==>Local and Remote Process Killer"
@L%9NqE`O "\nPower by ey4s"
R|T_9/#) "\nhttp://www.ey4s.org 2001/6/23"
Gd)@PWK "\n\nUsage:%s <==Killed Local Process"
BJ3st "\n %s <==Killed Remote Process\n",
29K09 0f lpszArgv[0],lpszArgv[0]);
td@F%* return 1;
R>"E Xq }
X[8m76/V //杀远程机器进程
E'=~<& strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
<^&NA<2 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
kb?QQ\e strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
4q)eNcs VT1W#@`e- //将在目标机器上创建的exe文件的路径
q P@4KH}e sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
?aInn:FE __try
+]Oq{v:e {
Q)}sX6TB //与目标建立IPC连接
W'\{8&:! if(!ConnIPC(szTarget,szUser,szPass))
cLH|; {
Bv$;yR printf("\nConnect to %s failed:%d",szTarget,GetLastError());
t;9f7~ return 1;
[R j=k)aBm }
3LZ0EYVL printf("\nConnect to %s success!",szTarget);
@]Ye36v0#L //在目标机器上创建exe文件
tvptawA. XljiK8q;% hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
93%U;0w[Nw E,
M:OY8=V NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
EA4aZ6% if(hFile==INVALID_HANDLE_VALUE)
dL<okw {
>9D=PnHnD printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
ZD1UMB0$4 __leave;
g2 uc+p }
x%ZjGDF m //写文件内容
I<*U^e while(dwSize>dwIndex)
dL>0"UN}- {
z3b8 od|w)?16 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
&yzC\XdA {
EI2V<v printf("\nWrite file %s
t#kR@t+6$\ failed:%d",RemoteFilePath,GetLastError());
*k'oP~:fT __leave;
XpWqL9s_E }
VAc-RaA dwIndex+=dwWrite;
Tn[DF9;? }
qFmvc //关闭文件句柄
A'qJke= CloseHandle(hFile);
WO*YBH@ bFile=TRUE;
\>w[#4`m //安装服务
yqqP7 if(InstallService(dwArgc,lpszArgv))
m~\BkE/[l {
e9h T //等待服务结束
+bvY*^i if(WaitServiceStop())
Q"CZ}B1< {
7|3Z+#|T //printf("\nService was stoped!");
):eX* }
in -/ else
8ON$M=Ze$ {
5aw#!K=J' //printf("\nService can't be stoped.Try to delete it.");
w-[WJ:2. }
02&m