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。
vJLK,[ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
{Ea
b
j <1>与远程系统建立IPC连接
xf'V{9* <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
"-E\[@/ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
&.F4b~A7 <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
SjK <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@Gyx!4 <6>服务启动后,killsrv.exe运行,杀掉进程
<q)# <7>清场
oe ~'o' 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
:ffY6L+ /***********************************************************************
HRpte=`q Module:Killsrv.c
$o!zUH~'v Date:2001/4/27
tb 5`cube Author:ey4s
[XN={ Http://www.ey4s.org RV1coC.g4x ***********************************************************************/
44J]I\+ #include
Mg+2.
8% #include
M.JA.I@XC #include "function.c"
i[i4h"$0 #define ServiceName "PSKILL"
JT~4mT E[OJ+ ;c SERVICE_STATUS_HANDLE ssh;
1Te%F+7 SERVICE_STATUS ss;
!OZy7 /////////////////////////////////////////////////////////////////////////
GWGSd\z void ServiceStopped(void)
2V]UJ< {
#j;^\rSv- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
IM*y|UHt ss.dwCurrentState=SERVICE_STOPPED;
eB2a-, ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
%q"%AauJR ss.dwWin32ExitCode=NO_ERROR;
D2#ZpFp"h ss.dwCheckPoint=0;
V( }:=eK ss.dwWaitHint=0;
pG_;$8Hc SetServiceStatus(ssh,&ss);
k``_EiV4t return;
7o\@>rNWP }
y4yhF8E>;U /////////////////////////////////////////////////////////////////////////
^"E^zHM( void ServicePaused(void)
-+-?w|}qV {
YH$-g ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
53_Hl]#qZ ss.dwCurrentState=SERVICE_PAUSED;
pR<`H' ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
SV4E0c> ss.dwWin32ExitCode=NO_ERROR;
p;a,#IJu ss.dwCheckPoint=0;
v{RZJ^1 ss.dwWaitHint=0;
#{0HYg?(f SetServiceStatus(ssh,&ss);
W@>% {eE return;
&{5,:%PXw }
sVQ|*0(J0r void ServiceRunning(void)
bt SRtf {
Y!xF;a ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Fk7?xc ss.dwCurrentState=SERVICE_RUNNING;
"> ypIR< ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
.Cv6kgB@c ss.dwWin32ExitCode=NO_ERROR;
8H[<X_/ke ss.dwCheckPoint=0;
Y+pHd\$-4 ss.dwWaitHint=0;
3F"lXguS SetServiceStatus(ssh,&ss);
v@sIHb return;
qfF~D0} }
D'>_I. /////////////////////////////////////////////////////////////////////////
|*Yr<zt void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
f^3*)Ni {
Xc++b|k switch(Opcode)
+:2klJ {
`b&%Hm case SERVICE_CONTROL_STOP://停止Service
wKh4|Ka ServiceStopped();
hwuiu* break;
O *C;Vqt case SERVICE_CONTROL_INTERROGATE:
goNG' o %| SetServiceStatus(ssh,&ss);
E#34Wh2z break;
s3N'02G }
k:i4=5^*GX return;
O;Rqv }
/A\8 mL8 //////////////////////////////////////////////////////////////////////////////
'd0~!w //杀进程成功设置服务状态为SERVICE_STOPPED
Bg=wKwc8 //失败设置服务状态为SERVICE_PAUSED
=}^9 wP //
_`$qBw.Nx void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
U)TUOwF {
1y&\5kB ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
>dXGee>'M if(!ssh)
bG"~"ipn% {
+.8
\p5 ServicePaused();
> tS'Q`R return;
d7^}tM }
E)&I@m ServiceRunning();
iO{hA Sleep(100);
'ycJMYP8 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
9yu\ Ot //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
MR7}s4o if(KillPS(atoi(lpszArgv[5])))
Y>z>11yEB0 ServiceStopped();
W.jGGt\<\ else
o)|flI'vT ServicePaused();
D>r&}6< return;
&A/]pi-\ }
0q /////////////////////////////////////////////////////////////////////////////
wSL}`C gU void main(DWORD dwArgc,LPTSTR *lpszArgv)
O^PKn_OJ {
G&SB- SERVICE_TABLE_ENTRY ste[2];
3d8L6GJ ste[0].lpServiceName=ServiceName;
[Y/}
^ ste[0].lpServiceProc=ServiceMain;
=[ 46`-_ ste[1].lpServiceName=NULL;
o#)C^xlQ ste[1].lpServiceProc=NULL;
;LfXi 8) StartServiceCtrlDispatcher(ste);
T.F!+ return;
hW')Sp }
P;y45b /////////////////////////////////////////////////////////////////////////////
3yme1Mb function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
yF:1( 4 下:
0JS?; fk /***********************************************************************
bRDYGuC Module:function.c
Rh2+=N<X Date:2001/4/28
OKZV{Gja Author:ey4s
PNhe Http://www.ey4s.org GMx&y2. Z ***********************************************************************/
;>hO+Wo #include
`RT>}_j ////////////////////////////////////////////////////////////////////////////
iXkF1r]i BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
qbr$>xH {
]#<4vl\ TOKEN_PRIVILEGES tp;
]EbM9Fo-U LUID luid;
K g*Q Jrf=@m\dk if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
KkyVSoD\ {
}Bh8=F3O
Q printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Y Uc+0 return FALSE;
@IKYh{j4 }
"^[ 'y7i tp.PrivilegeCount = 1;
;;Y!^^g tp.Privileges[0].Luid = luid;
pX<`+t[ if (bEnablePrivilege)
FXCMR\BsQ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
7"D",1h else
P[-E@0h)-t tp.Privileges[0].Attributes = 0;
{W`%g^Z|H // Enable the privilege or disable all privileges.
_ye |Y AdjustTokenPrivileges(
XX!%RE`M8 hToken,
:G=fl)!fE FALSE,
Ny7 S &tp,
y7 cl_ rK sizeof(TOKEN_PRIVILEGES),
/<k/7TF` (PTOKEN_PRIVILEGES) NULL,
c]<5zyl"j1 (PDWORD) NULL);
0o4XUW // Call GetLastError to determine whether the function succeeded.
k'Hs}z eNn if (GetLastError() != ERROR_SUCCESS)
&B;~
{
p>N(Typ0b printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
*R,5h2; return FALSE;
`hm-.@f,9 }
nPtuTySG return TRUE;
bs&43Ae }
}K>d+6qk5 ////////////////////////////////////////////////////////////////////////////
dDMJ' BOOL KillPS(DWORD id)
@{e}4s?7od {
]q[D>6_ HANDLE hProcess=NULL,hProcessToken=NULL;
l'1pw BOOL IsKilled=FALSE,bRet=FALSE;
~/U1xk% __try
uZYF(Yu {
@bLy,Xr& t3ZOco@~P if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
e"cXun4nS= {
T{^rt3a printf("\nOpen Current Process Token failed:%d",GetLastError());
]0OR_'?, __leave;
2'Uu:Y^ }
J{<X7uB //printf("\nOpen Current Process Token ok!");
CxmKz78 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
:Ov6_x]* {
z6P$pqyF __leave;
RC"MdcD:]y }
B mb0cFQ printf("\nSetPrivilege ok!");
"{xrL4BtC m7V/zne if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
~=LE0. 3[ {
W
i.&e printf("\nOpen Process %d failed:%d",id,GetLastError());
VGN5<?PrN __leave;
!|uWH }
`RW HN/U //printf("\nOpen Process %d ok!",id);
UDFDJm$ if(!TerminateProcess(hProcess,1))
Z\rwO>3 {
4"ZP 'I; printf("\nTerminateProcess failed:%d",GetLastError());
(lqC[: __leave;
SulY1, }
gVuFHHeUz IsKilled=TRUE;
VQ@ }
E]d.z6k __finally
Ne!lH@ql {
wQf-sk# if(hProcessToken!=NULL) CloseHandle(hProcessToken);
?j.,Nw4FC if(hProcess!=NULL) CloseHandle(hProcess);
R\f+SvE }
3,w_".m`# return(IsKilled);
H8jpxzXv }
1GRCV8"Z^ //////////////////////////////////////////////////////////////////////////////////////////////
>R_&Ouh: 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:
wHLLu~m\ /*********************************************************************************************
RB\uK
1+ ModulesKill.c
:OZrH<SW Create:2001/4/28
_f,C[C[e& Modify:2001/6/23
({_{\9O,3 Author:ey4s
c6]U E@A Http://www.ey4s.org T>Z<]s PsKill ==>Local and Remote process killer for windows 2k
0mVNQxHI **************************************************************************/
qR{=pR #include "ps.h"
V0YZp #define EXE "killsrv.exe"
Fo_sgv8O< #define ServiceName "PSKILL"
H?Wya.7 gQuw1 #pragma comment(lib,"mpr.lib")
J;e2&gB //////////////////////////////////////////////////////////////////////////
C )
s5D //定义全局变量
0+ '&`Q!u SERVICE_STATUS ssStatus;
5tkAFb4P SC_HANDLE hSCManager=NULL,hSCService=NULL;
$PPi5f}HD BOOL bKilled=FALSE;
Zi
i char szTarget[52]=;
7]bGc
\ //////////////////////////////////////////////////////////////////////////
b|DdG/O BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
00y!K
m_D BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
w9imKVry BOOL WaitServiceStop();//等待服务停止函数
q`-N7 ,$T BOOL RemoveService();//删除服务函数
33q}CzK /////////////////////////////////////////////////////////////////////////
^
@5QP$. int main(DWORD dwArgc,LPTSTR *lpszArgv)
V!=,0zy~Z {
3d]S!=4H" BOOL bRet=FALSE,bFile=FALSE;
J8(lIk:e char tmp[52]=,RemoteFilePath[128]=,
&z3o7rif$ szUser[52]=,szPass[52]=;
0d&6lqTo HANDLE hFile=NULL;
\\qZl)P_ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
^x,YW]AS} O/Crd/ //杀本地进程
t:Q*gWRh if(dwArgc==2)
A/s?x>QA {
%$L{R if(KillPS(atoi(lpszArgv[1])))
t*u:hex printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
+6\Zj) else
<'*LRd$1 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
]ieeP4* lpszArgv[1],GetLastError());
AkV#J,
3LC return 0;
eMsd37J }
u#.2w)!D //用户输入错误
9A=,E& else if(dwArgc!=5)
4HlQ&2O%# {
IJ"q~r$ printf("\nPSKILL ==>Local and Remote Process Killer"
`^&OF uee "\nPower by ey4s"
eauF~md, "\nhttp://www.ey4s.org 2001/6/23"
Q
&JUt( "\n\nUsage:%s <==Killed Local Process"
KRzAy)8 "\n %s <==Killed Remote Process\n",
Yq
KCeg lpszArgv[0],lpszArgv[0]);
%u'ukcL7 return 1;
uXvtfc }
wHy!CP% //杀远程机器进程
fZF@k5*\ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
HZge!Yp< strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
}}~ |!8 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
C'x&Py/# :o3N;*o>)0 //将在目标机器上创建的exe文件的路径
l_p2Riv sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
,J@ __try
S1_RjMbYM {
#6= //与目标建立IPC连接
rILYI;'o if(!ConnIPC(szTarget,szUser,szPass))
lf,5w {
ms]sD3z/W+ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
7<R E_/] return 1;
4r}51 N\ }
?@86P|19 printf("\nConnect to %s success!",szTarget);
;Y, y 4{H3 //在目标机器上创建exe文件
~DwpoeYX XL^GZ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
<5051UEu E,
<P_-s*b NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
WyiQoN'q if(hFile==INVALID_HANDLE_VALUE)
|6-nbj {
2>%=U~5 printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
HRA|q __leave;
<hyKu
}
GbI/4<)l} //写文件内容
a7opCmL while(dwSize>dwIndex)
6gDN`e,@ {
L4W5EO$ 9 68Ez
if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
Pq$n5fZC! {
1% ` Rs
printf("\nWrite file %s
?r4>" [ failed:%d",RemoteFilePath,GetLastError());
wCBplaojJ __leave;
:ws<-Qy }
At;LO9T3z dwIndex+=dwWrite;
}SZd }
3v-~K)hl? //关闭文件句柄
Vurqt_nb CloseHandle(hFile);
%cn<ych
G bFile=TRUE;
dZuOrTplA //安装服务
tH4B:Bgj! if(InstallService(dwArgc,lpszArgv))
#'`{Qv0,
{
c:('W16 //等待服务结束
n$R)>nY if(WaitServiceStop())
2=}FBA,2 {
[-w%/D%@ //printf("\nService was stoped!");
Hl=xW/%6y }
ueNS='+m else
yHaGkm {
u3D)M%e //printf("\nService can't be stoped.Try to delete it.");
H5an%kU|j }
:`sUt1Fw. Sleep(500);
\;Weizq5 //删除服务
&p,]w~d,U RemoveService();
MdF2Gk-9 }
(9)Q ' 'S }
Q!3_$<5<E> __finally
uY*L,j^) {
3so%gvY.' //删除留下的文件
l]SX@zTb if(bFile) DeleteFile(RemoteFilePath);
='jT~\ //如果文件句柄没有关闭,关闭之~
zbiL P83 if(hFile!=NULL) CloseHandle(hFile);
rJB}qYD //Close Service handle
Z_NCD`i; if(hSCService!=NULL) CloseServiceHandle(hSCService);
=_^X3z0 //Close the Service Control Manager handle
,esmV- if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
ar,7S&s