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。
wLe&y4 OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Q]UYG( <1>与远程系统建立IPC连接
(kyo?3 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
kGV`Q <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
an[~%vxw} <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
J4c 4Os>3 <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
Y'0?<_ fj <6>服务启动后,killsrv.exe运行,杀掉进程
4S9,
tc& <7>清场
fZ:rz;tM 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
p!QneeA`&X /***********************************************************************
QfWu~[ Module:Killsrv.c
U2lC !j%K Date:2001/4/27
@M^QhHs Author:ey4s
PVc|y. Http://www.ey4s.org YPDsE&,J) ***********************************************************************/
'N ::MN #include
T)tHN#6I #include
pbxcsA\ #include "function.c"
:gaeb8`t #define ServiceName "PSKILL"
|Umfq:W`y_ DB'KIw SERVICE_STATUS_HANDLE ssh;
N/{Yi
_n SERVICE_STATUS ss;
dS_)ll.6z /////////////////////////////////////////////////////////////////////////
{59VS
Nl void ServiceStopped(void)
ixHZX<6zYT {
GiO#1gA ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
_m?(O /BTx ss.dwCurrentState=SERVICE_STOPPED;
M#=5u`h ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
l@/kPEh ss.dwWin32ExitCode=NO_ERROR;
aC
Lg~g4 ss.dwCheckPoint=0;
7oLf5V1~ ss.dwWaitHint=0;
}\L!;6oy SetServiceStatus(ssh,&ss);
yxWMatZ2 return;
=,8Eo"~\ }
b<V./rWIB /////////////////////////////////////////////////////////////////////////
nEcd+7( void ServicePaused(void)
@&xaaqQ- {
L0|hc ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
c1A G3Nb ss.dwCurrentState=SERVICE_PAUSED;
z<vO# ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
=/QU$[7X( ss.dwWin32ExitCode=NO_ERROR;
-hFyqIJW ss.dwCheckPoint=0;
(s@tU>4U ss.dwWaitHint=0;
! }?jCp p SetServiceStatus(ssh,&ss);
RHl=$Hm.% return;
v;}`?@G }
[x p,& void ServiceRunning(void)
!5SQN5K {
)Z]y.W ) ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
6?.pKFBZ ss.dwCurrentState=SERVICE_RUNNING;
u#@{%kPW ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
HGQ?(2] 8$ ss.dwWin32ExitCode=NO_ERROR;
=<zSF\Zr_ ss.dwCheckPoint=0;
C"^hMsU8 ss.dwWaitHint=0;
X8SRQO^ SetServiceStatus(ssh,&ss);
\pD=Lv9 return;
QUZQY`'@ }
N|O]z /////////////////////////////////////////////////////////////////////////
+\8 krA void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
i@R$g~~-D {
/<7C[^h{- switch(Opcode)
PWN'.HQ {
;,vL case SERVICE_CONTROL_STOP://停止Service
P9TBQW2G{ ServiceStopped();
^0tf1pV2 break;
O:^LQ case SERVICE_CONTROL_INTERROGATE:
zP h\3B SetServiceStatus(ssh,&ss);
5H :~6z break;
=_m9so }
`=}UFu return;
l*\~ew }
6^IqSNn- //////////////////////////////////////////////////////////////////////////////
'Ywpdzz[ //杀进程成功设置服务状态为SERVICE_STOPPED
P&%eIgAOL //失败设置服务状态为SERVICE_PAUSED
"(\)
&G //
jy(+
0F void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
mh#FYSp {
KA-/k@1& ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
J1]w*2 if(!ssh)
N>pmhskN? {
H1%[\X?= ServicePaused();
g;!@DVF$ return;
?X#/1X%u: }
@6
;oN ServiceRunning();
r2GK_$vd Sleep(100);
\aVY>1` //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
z'oiyXEE3 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
){ if(KillPS(atoi(lpszArgv[5])))
}uI7\\S ServiceStopped();
#3Ej0"A@-B else
!H1tBg]5 ServicePaused();
rx6-~0!eI= return;
A6NxM8ybn+ }
Ed^uA+D /////////////////////////////////////////////////////////////////////////////
qQxA@kdd void main(DWORD dwArgc,LPTSTR *lpszArgv)
<< ;HY}s {
(e8G
( SERVICE_TABLE_ENTRY ste[2];
LZc$:<J<6 ste[0].lpServiceName=ServiceName;
WfDX"rA ste[0].lpServiceProc=ServiceMain;
M,t*nG ste[1].lpServiceName=NULL;
C3\E.u? ste[1].lpServiceProc=NULL;
"7yNKO;W StartServiceCtrlDispatcher(ste);
&`yOIX-H_ return;
Gh2Q$w: }
@<OO /////////////////////////////////////////////////////////////////////////////
H\| ]!8w5Z 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
hY=w|b=Y 下:
Rj}o4s2x /***********************************************************************
4g7ja Module:function.c
ran^te^Ks( Date:2001/4/28
WfRfx#MMt Author:ey4s
S~k*r{?H}) Http://www.ey4s.org Jh43)#G- ***********************************************************************/
zRV!(Y #include
nJleef9 ////////////////////////////////////////////////////////////////////////////
)>y
k- BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
f{igW?Ho {
p`:*mf TOKEN_PRIVILEGES tp;
$Eio$TI LUID luid;
JYwyR++uo >sQ2@"y)s2 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
w!WRa8C {
}U%^3r- printf("\nLookupPrivilegeValue error:%d", GetLastError() );
.~q)eV return FALSE;
;NH~9# t: }
!6zyJc@01 tp.PrivilegeCount = 1;
T3Frc ]6,4 tp.Privileges[0].Luid = luid;
nw0L1TP/J if (bEnablePrivilege)
MCk^Tp!
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
n1*&%d'7 else
?h!t$QQ!M tp.Privileges[0].Attributes = 0;
W}XYmF*_? // Enable the privilege or disable all privileges.
`l>93A AdjustTokenPrivileges(
-=$% { hToken,
BrJ
o!@< FALSE,
J ;UBnCg &tp,
q]6_rY. sizeof(TOKEN_PRIVILEGES),
IV{FH&t^T" (PTOKEN_PRIVILEGES) NULL,
[dj5$l| (PDWORD) NULL);
u R\m` // Call GetLastError to determine whether the function succeeded.
PMgQxM*h if (GetLastError() != ERROR_SUCCESS)
IS[Vap: {
{J~(#i
k
printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
g ?afX1Sg return FALSE;
g.x=pt }
2yN%~C?$ return TRUE;
2wx!Lpr<i_ }
P</s)"@ ////////////////////////////////////////////////////////////////////////////
_+twqi BOOL KillPS(DWORD id)
60GFVF]'2 {
5M%,N-P^ HANDLE hProcess=NULL,hProcessToken=NULL;
G HD^%)T5^ BOOL IsKilled=FALSE,bRet=FALSE;
d/XlV]#2x\ __try
A7k'K4 {
O)`fvpVU 6hkkNXqkf if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
[N)#/6j {
oi2J:Y4 printf("\nOpen Current Process Token failed:%d",GetLastError());
YywEZ?X __leave;
],8;eq%W) }
`gBD_0<T7 //printf("\nOpen Current Process Token ok!");
_QR
g7 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
8>UKIdp {
Fr-[UZ~V __leave;
F:%^&%\ }
M
h`CP printf("\nSetPrivilege ok!");
k$C"xg2 Dp*:Q){>E if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
8q?;2w\l {
>']+OrQH printf("\nOpen Process %d failed:%d",id,GetLastError());
C"w,('~@kW __leave;
GDF{Lf)/v }
U1l0Uke //printf("\nOpen Process %d ok!",id);
$ye^uu;Z if(!TerminateProcess(hProcess,1))
xXF2"+ {
(NX)oP printf("\nTerminateProcess failed:%d",GetLastError());
]}Pl%. __leave;
[ S5bj]D }
[#p&D~Du& IsKilled=TRUE;
>DL/.. }
jm[}M __finally
wL;]1&Qq {
UL+E,= if(hProcessToken!=NULL) CloseHandle(hProcessToken);
Bwjg#1 E if(hProcess!=NULL) CloseHandle(hProcess);
$^t<9"t }
,Ij=b return(IsKilled);
#wF1 }
O -G1})$ //////////////////////////////////////////////////////////////////////////////////////////////
TWUUvj`. 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:
AzZJG v]H /*********************************************************************************************
1e/L\Y=m ModulesKill.c
l '/N3&5 Create:2001/4/28
3[VWTq)D= Modify:2001/6/23
[*<.?9n)or Author:ey4s
qgtn5]A Http://www.ey4s.org A8J8u,u9 PsKill ==>Local and Remote process killer for windows 2k
$,TGP+vH **************************************************************************/
:/B:FY= #include "ps.h"
{VR`; #define EXE "killsrv.exe"
( :{"C6x #define ServiceName "PSKILL"
NS@{~;#R sGSsUO:@j; #pragma comment(lib,"mpr.lib")
,'~#Ch //////////////////////////////////////////////////////////////////////////
UR}kB&t //定义全局变量
dLZjB(0eO SERVICE_STATUS ssStatus;
0 h22V$ SC_HANDLE hSCManager=NULL,hSCService=NULL;
QZ&4:K+{ BOOL bKilled=FALSE;
YgEM:'1f char szTarget[52]=;
?w*yW;V` //////////////////////////////////////////////////////////////////////////
gQy~kctQ# BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
be7L="vZw BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
tw=K&/@^O BOOL WaitServiceStop();//等待服务停止函数
x=.tiM {# BOOL RemoveService();//删除服务函数
y0<Uu /////////////////////////////////////////////////////////////////////////
I:i<>kG int main(DWORD dwArgc,LPTSTR *lpszArgv)
tRteyNA {
NvQ%J+ BOOL bRet=FALSE,bFile=FALSE;
`m%:rE, char tmp[52]=,RemoteFilePath[128]=,
bp#fyG" szUser[52]=,szPass[52]=;
j&WL*XP&5 HANDLE hFile=NULL;
GMb(10T` DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
&UL_bG} l4KbTKm7 //杀本地进程
Hd*}k6 if(dwArgc==2)
i}B;+0<drx {
]=x\b^ if(KillPS(atoi(lpszArgv[1])))
[![ G7H%f printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
X8b|]Nr else
' sey D printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
qgx?"$ Z
lpszArgv[1],GetLastError());
:6Pnie return 0;
=NZ[${7mq }
d8E,o7$m //用户输入错误
|g<* Rk0
else if(dwArgc!=5)
i?;R}%~ {
Cp^g'& printf("\nPSKILL ==>Local and Remote Process Killer"
wz#A1F "\nPower by ey4s"
z1vw'VT> "\nhttp://www.ey4s.org 2001/6/23"
7d;pvhnH "\n\nUsage:%s <==Killed Local Process"
'z5h3J "\n %s <==Killed Remote Process\n",
\vCGU>UY lpszArgv[0],lpszArgv[0]);
\gItZ}+c4} return 1;
i.y=8GxY }
_ij$f< //杀远程机器进程
EY=FDl V strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
@A{m5h strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
K'aWCscM strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
\5TxE ` H
XEZ| //将在目标机器上创建的exe文件的路径
e3v5,. sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
vc8?I."? __try
W8]V {
3?.1nGu //与目标建立IPC连接
s]H^wrg& if(!ConnIPC(szTarget,szUser,szPass))
(#|{%4g@> {
rk|a5-i printf("\nConnect to %s failed:%d",szTarget,GetLastError());
fxgU~' return 1;
\G>ZkgU }
rCBfD printf("\nConnect to %s success!",szTarget);
,PECYwegkt //在目标机器上创建exe文件
9JnY$e<& =X-Tcj?3g hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
%WGuy@tL E,
ZCYS\E7X NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
O>c$sL0g if(hFile==INVALID_HANDLE_VALUE)
$*\L4<( {
c2 *`2qK# printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
j1q[c, __leave;
/YH`4e5g }
mI7~c;~ //写文件内容
[A9JshMo while(dwSize>dwIndex)
#? ?%B {
PB9/m-\H uP@\#/4u if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
3A,rHYS {
"NzD1k6.L printf("\nWrite file %s
X}cZxlqc failed:%d",RemoteFilePath,GetLastError());
uLk]LT __leave;
Qx)Jtb0`V }
aY)2eY dwIndex+=dwWrite;
_Mt Qi }
g5S?nHS} //关闭文件句柄
sbo^"&%w CloseHandle(hFile);
WR#0<cz( bFile=TRUE;
PB53myDQ //安装服务
XIAeCU if(InstallService(dwArgc,lpszArgv))
g=l:cVr8y {
XiQkrZ //等待服务结束
6X)@ajGWg~ if(WaitServiceStop())
1A<,TFg {
yGj.)$1},@ //printf("\nService was stoped!");
;o-yQmdh }
Y<f_`h^r else
Ai"-w" {
mC[UXN/ //printf("\nService can't be stoped.Try to delete it.");
-*a?<ES` }
MCc$TttaVz Sleep(500);
u~1o(Zn
= //删除服务
oVOm_N RemoveService();
EJ84rSp }
+4qU> }
ZA(T
__finally
L}sx<=8.m {
g{:<