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。
)u4=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。
?GqH/
(O <1>与远程系统建立IPC连接
$yq76 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
.}T- R? <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
#_UP}G$ <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
*ae)<l3v <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
lY2~{Y|4s <6>服务启动后,killsrv.exe运行,杀掉进程
u J]uz% <7>清场
2%J] })
嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
R&g&BF /***********************************************************************
h7@%}<% Module:Killsrv.c
pp(?rE$S Date:2001/4/27
.J8 gW Author:ey4s
teC/Uf5 Http://www.ey4s.org :Nwv&+ ***********************************************************************/
` N
R,8F #include
{47Uu%XT #include
[_(uz,' #include "function.c"
_wX(OB #define ServiceName "PSKILL"
3<N2ehi? {v|ib112; SERVICE_STATUS_HANDLE ssh;
IXlk1tHN4I SERVICE_STATUS ss;
BE],PCpPr /////////////////////////////////////////////////////////////////////////
0c1=M|2 void ServiceStopped(void)
l!W!Gz0to {
(I(U23A~ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
_a|g
> ss.dwCurrentState=SERVICE_STOPPED;
^)a:DKL ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
-B!
a
O65^ ss.dwWin32ExitCode=NO_ERROR;
;uv$>Fauk ss.dwCheckPoint=0;
!VsdKG) ss.dwWaitHint=0;
%tC[q SetServiceStatus(ssh,&ss);
3gD <!WI return;
2X*n93AQi }
{P\Ob0)q /////////////////////////////////////////////////////////////////////////
{K}Dpy void ServicePaused(void)
P}( c0/ {
0>D*d'xLd ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
F9d6#~ ss.dwCurrentState=SERVICE_PAUSED;
jTZi<
Y:bB ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
9j5|o([J ss.dwWin32ExitCode=NO_ERROR;
ShvC4Xb 0 ss.dwCheckPoint=0;
o|c&$)m ss.dwWaitHint=0;
?<Hgq8J SetServiceStatus(ssh,&ss);
jC$~m#F return;
p@O,-&/D }
z@?y(E void ServiceRunning(void)
)8'v@8;- {
vILB$%I ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
mwN"Cu4t ss.dwCurrentState=SERVICE_RUNNING;
a`]ZyG*P ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
-[pfLo ss.dwWin32ExitCode=NO_ERROR;
v6| [p ss.dwCheckPoint=0;
,\#j6R,{I ss.dwWaitHint=0;
mG@[~w+ SetServiceStatus(ssh,&ss);
+2}Ar<elP return;
R>1oF]w }
`ZO5-E /////////////////////////////////////////////////////////////////////////
i,%N# void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
Pgq(yPC {
vpOGyvI switch(Opcode)
^k{/Yl {
4:733Q3oK case SERVICE_CONTROL_STOP://停止Service
m=/HUt3(&0 ServiceStopped();
mA_EvzXk\ break;
(n_.bSI case SERVICE_CONTROL_INTERROGATE:
|nr;OM SetServiceStatus(ssh,&ss);
}H
saJ=1U break;
fA0wQz]u }
4>H0a return;
"*V'
}
=CS$c? //////////////////////////////////////////////////////////////////////////////
[u J<] //杀进程成功设置服务状态为SERVICE_STOPPED
[D(JEO@ : //失败设置服务状态为SERVICE_PAUSED
V$;`#J$\b //
gp~-n7'~O void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
O U9{Y9e {
| z_av ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Ol<LL#<j4 if(!ssh)
9&<c)sS&B {
YcR: _ac ServicePaused();
nw_|W)JVQ return;
$Fy~xMA8O }
2`ERrh^i" ServiceRunning();
Z![#Uz.z Sleep(100);
aHI~@ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
I")Ud?v0) //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
NwQ$gDgu t if(KillPS(atoi(lpszArgv[5])))
3UZ_1nY ServiceStopped();
D&@ js!|5 else
xdY'i0fh ServicePaused();
I$)9T^Ra return;
V:+vB " }
d{(Rs.GuP /////////////////////////////////////////////////////////////////////////////
eI|~neh void main(DWORD dwArgc,LPTSTR *lpszArgv)
YnDaBpx {
K;s` SERVICE_TABLE_ENTRY ste[2];
v<g#/X8 ste[0].lpServiceName=ServiceName;
wN6sica| ste[0].lpServiceProc=ServiceMain;
W~i0.rg|> ste[1].lpServiceName=NULL;
EG8z&^O x ste[1].lpServiceProc=NULL;
A)d0Z6G` StartServiceCtrlDispatcher(ste);
E5c)\
D return;
sk0/3X*Q% }
kI5LG6 /////////////////////////////////////////////////////////////////////////////
%?qzP' 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
3O2vY1Y2 下:
QV*la= j/ /***********************************************************************
0TICv2l! Module:function.c
4"{g{8 Date:2001/4/28
//Xz Author:ey4s
v]KPA.W Http://www.ey4s.org L ]BTX] ***********************************************************************/
73tjDO7d #include
P>x88M ////////////////////////////////////////////////////////////////////////////
7ruWmy;j BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
>Yv#t.! {
c\tw#;\9 TOKEN_PRIVILEGES tp;
Ls.g\Gl3 LUID luid;
BCd0X. m( V2tA!II-s if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
*]k E3 {
kjQI=:i= printf("\nLookupPrivilegeValue error:%d", GetLastError() );
AP=SCq; return FALSE;
cmaha%3d }
qPhVc9D# tp.PrivilegeCount = 1;
AO5a tp.Privileges[0].Luid = luid;
S=~+e{ if (bEnablePrivilege)
v{\~>1J{ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
|Z Cv>8?n else
/\1Q
:B3W tp.Privileges[0].Attributes = 0;
"[Tr"nI // Enable the privilege or disable all privileges.
wc~ 9zh AdjustTokenPrivileges(
E!I4I' hToken,
i@<w"yNd_ FALSE,
(m.jC}J &tp,
gKIN* Od sizeof(TOKEN_PRIVILEGES),
(KfdN'vW (PTOKEN_PRIVILEGES) NULL,
k<"N^+GSz (PDWORD) NULL);
=aehhs> // Call GetLastError to determine whether the function succeeded.
O&">%aU1I if (GetLastError() != ERROR_SUCCESS)
aIWpgUd` {
(ijO|%? printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
MUN:}S return FALSE;
bs?4|#[K }
*S Z]xrs return TRUE;
g)MLgjj }
)*o) iN 7l ////////////////////////////////////////////////////////////////////////////
"DJ%Yo BOOL KillPS(DWORD id)
kQ)2DCbdn {
Vr&v:8:wb HANDLE hProcess=NULL,hProcessToken=NULL;
pcm1IwR` BOOL IsKilled=FALSE,bRet=FALSE;
tfe'].uT __try
Z@Qf0
c {
O9{A)b!HB 8R;E+B{ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
^AUQsRA7PZ {
#`"B
YFV[E printf("\nOpen Current Process Token failed:%d",GetLastError());
ab 6D & __leave;
Mq6_Q07 }
];0:aSi# //printf("\nOpen Current Process Token ok!");
EkN>5). if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
VC!g,LU|- {
b1ZHfe: __leave;
qEjsAL }
CR|>?9V printf("\nSetPrivilege ok!");
Ax!fvcsN O}7aX ' if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
\l 3M\$oS> {
`k08M) printf("\nOpen Process %d failed:%d",id,GetLastError());
TR{dNO!q __leave;
MpJx>0j/J }
[@s5v //printf("\nOpen Process %d ok!",id);
bW'Y8ok[v if(!TerminateProcess(hProcess,1))
6M8(KN^ {
-%t8a42 printf("\nTerminateProcess failed:%d",GetLastError());
r8L'C __leave;
B#4 J![BX }
e}L(tXZ IsKilled=TRUE;
;[Hrpl
S }
R"PO@v __finally
Q@UY4gA' {
xtp55"g if(hProcessToken!=NULL) CloseHandle(hProcessToken);
KV'-^\ if(hProcess!=NULL) CloseHandle(hProcess);
2Xfy?U }
<^8OYnp return(IsKilled);
?Ye%k }
]O+Nl5* //////////////////////////////////////////////////////////////////////////////////////////////
sF#t{x/sW 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:
It^_?oiK /*********************************************************************************************
F=kiYa} ModulesKill.c
tLx8}@X" Create:2001/4/28
h6(L22Hn Modify:2001/6/23
.O.fD Author:ey4s
WJ]g7!Ks Http://www.ey4s.org :#W>lq@H PsKill ==>Local and Remote process killer for windows 2k
w;^7FuBaC **************************************************************************/
0'*'%Iga #include "ps.h"
Cd7d-'EQn #define EXE "killsrv.exe"
<NM Os"NB #define ServiceName "PSKILL"
UgLJV2M6 mHC36ba #pragma comment(lib,"mpr.lib")
GJuU?h#:/{ //////////////////////////////////////////////////////////////////////////
;V1e>?3 //定义全局变量
%!)Dk< SERVICE_STATUS ssStatus;
dtq]_HvTJ SC_HANDLE hSCManager=NULL,hSCService=NULL;
k8"[)lDc. BOOL bKilled=FALSE;
kc:2ID& char szTarget[52]=;
cGjkx3l* //////////////////////////////////////////////////////////////////////////
eD 7Rv< BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
W-ECmw( BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
rYr.mX BOOL WaitServiceStop();//等待服务停止函数
.'N#qs_ BOOL RemoveService();//删除服务函数
{eo?vA8SE /////////////////////////////////////////////////////////////////////////
G{oM2`c'#8 int main(DWORD dwArgc,LPTSTR *lpszArgv)
p&;,$KDA {
:~9F/Jx BOOL bRet=FALSE,bFile=FALSE;
J7rfHhz char tmp[52]=,RemoteFilePath[128]=,
cV)~%e/ szUser[52]=,szPass[52]=;
&]/.=J HANDLE hFile=NULL;
<3Hu(Jx<O DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
OKzk\F6 =t-503e.J //杀本地进程
J)Td'iT( if(dwArgc==2)
)F35WP~ {
BLhuYuON if(KillPS(atoi(lpszArgv[1])))
eM`"$xc
Oe printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
aA.TlG@zP else
sFxciCpN printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
"'"dcA lpszArgv[1],GetLastError());
-n'%MT=Cd return 0;
P(Hh%9'( }
5=Y\d,SS" //用户输入错误
bpeWK& else if(dwArgc!=5)
_Msaub!N {
/-ky'S9 printf("\nPSKILL ==>Local and Remote Process Killer"
Z@`HFZJ "\nPower by ey4s"
O8ZHIs "\nhttp://www.ey4s.org 2001/6/23"
!b+Kasss9 "\n\nUsage:%s <==Killed Local Process"
D<cHa | "\n %s <==Killed Remote Process\n",
V]9?9-r lpszArgv[0],lpszArgv[0]);
3bPvL/\Lb return 1;
~UJ_Rr54 }
KcjP39@I //杀远程机器进程
I*K~GXWs# strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
yS-owtVCGF strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
`_v|O{DC{ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
1%6}m`3 VN8ao0^d;d //将在目标机器上创建的exe文件的路径
mWM!6" sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
ZK]C!8\2| __try
Y,@{1X`0@3 {
+P <Lo I //与目标建立IPC连接
+<H)DPG< if(!ConnIPC(szTarget,szUser,szPass))
2xd G&}$fa {
P1ab2D printf("\nConnect to %s failed:%d",szTarget,GetLastError());
Oj0/[(D- return 1;
`W8dayZt }
qcfLA~y printf("\nConnect to %s success!",szTarget);
_#+~#U%5n //在目标机器上创建exe文件
up7]Yy;o= L1k_AC1.M hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
<&rvv4*H E,
#X"eg NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
DP9hvu/85 if(hFile==INVALID_HANDLE_VALUE)
QY<2i-A {
X^H)2G>e printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
lU.@! rGbw __leave;
6^.<