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。
>A=\8`T^ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
<xqba4O <1>与远程系统建立IPC连接
{ 8p\Y <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
SK-W%t <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
@[v8}D <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
"Yby <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
!+KhFC&Py <6>服务启动后,killsrv.exe运行,杀掉进程
="dDA/,$VS <7>清场
c&m9)r~zP 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
8&."uEOOU /***********************************************************************
Dft%ip2 Module:Killsrv.c
M _ (2sq Date:2001/4/27
pX_b6%yX( Author:ey4s
F~R7~ZE Http://www.ey4s.org +$,dwyI2t ***********************************************************************/
>|nt2 #include
Q1T@oxV #include
jI0]LD1k #include "function.c"
H#Q;"r 3 #define ServiceName "PSKILL"
M BVOfEMj Bm}iU~(Z` SERVICE_STATUS_HANDLE ssh;
R&Ci/ SERVICE_STATUS ss;
.[(P /////////////////////////////////////////////////////////////////////////
T VeJ6 void ServiceStopped(void)
+NR n0
z( {
* <q4S(l ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
K(OaW)j ss.dwCurrentState=SERVICE_STOPPED;
Y 1y E ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
FUqt)YHi ss.dwWin32ExitCode=NO_ERROR;
^Plc}W7h ss.dwCheckPoint=0;
Ue! Q. " ss.dwWaitHint=0;
#8UseK SetServiceStatus(ssh,&ss);
u]bz42] return;
LS6ry,D"7 }
8t[t{" /////////////////////////////////////////////////////////////////////////
(}jL_E void ServicePaused(void)
9I kUZW {
jCQho-1QN ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Z
Xb}R^O- ss.dwCurrentState=SERVICE_PAUSED;
Y|RdzCM ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
hVf^ ss.dwWin32ExitCode=NO_ERROR;
h[Mdr ss.dwCheckPoint=0;
=fWdk\Wv ss.dwWaitHint=0;
\O? u* SetServiceStatus(ssh,&ss);
> UWStzH< return;
]]/lC }
xiCN
qk3 void ServiceRunning(void)
WsB3SFNG {
^1VbH3M ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
DqlK. ss.dwCurrentState=SERVICE_RUNNING;
[pR)@$"k' ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
"teyi"U+ ss.dwWin32ExitCode=NO_ERROR;
[+Un ^gD ss.dwCheckPoint=0;
o(Kcs-W2 ss.dwWaitHint=0;
[gZDQcU SetServiceStatus(ssh,&ss);
k%Eh{dA return;
L|J~9FM }
9wMEvX70 /////////////////////////////////////////////////////////////////////////
q,@+^aZ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
@\PpA9ebg% {
qpTm switch(Opcode)
jsdBd2Gdc {
2d~LNy case SERVICE_CONTROL_STOP://停止Service
?4sJw: ServiceStopped();
1ktHN: ta break;
Tq#<Po $ case SERVICE_CONTROL_INTERROGATE:
=G>.-Qfs SetServiceStatus(ssh,&ss);
q^]tyU!w break;
27iy4(4 }
@h(!<Ux_ return;
c'rd $ }
~6sE an3p //////////////////////////////////////////////////////////////////////////////
7E(%9W6P //杀进程成功设置服务状态为SERVICE_STOPPED
yQwVQUW8B //失败设置服务状态为SERVICE_PAUSED
waQtr,m) //
rhoeZ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
HamEIL-l. {
4#h?Wga ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
;
8E; if(!ssh)
G_+Ph^ {
:'Xr/| s ServicePaused();
:x+ig5 return;
<m1sSghg }
k/bque ServiceRunning();
6w!e?B2/% Sleep(100);
^ $wJi9D6 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
"l2bx //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
$}4K`Iu if(KillPS(atoi(lpszArgv[5])))
2&x7W* ServiceStopped();
Z(UD9wY5m else
0I^Eo| ServicePaused();
cAibB&`~ return;
~bGnq,
.$ }
`M)E* G /////////////////////////////////////////////////////////////////////////////
T3rn+BxF 7 void main(DWORD dwArgc,LPTSTR *lpszArgv)
1LyT7h {
@'HT;Q!\Vd SERVICE_TABLE_ENTRY ste[2];
)UP8#|$#T ste[0].lpServiceName=ServiceName;
)-q\aX$]) ste[0].lpServiceProc=ServiceMain;
eE9|F/-L ste[1].lpServiceName=NULL;
CO'ar, ste[1].lpServiceProc=NULL;
-5xCQJ[ StartServiceCtrlDispatcher(ste);
17i$8 return;
/x/4NeD }
((cb4IX /////////////////////////////////////////////////////////////////////////////
bP03G=`6w function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
lC2?sD$ 下:
n$
dw<y /***********************************************************************
7V'Le2T' Module:function.c
zp#:EZ Date:2001/4/28
"uhV|Lk*7 Author:ey4s
h>|u:]I> Http://www.ey4s.org h~fWE ***********************************************************************/
r w\D>}\ #include
/n8psj ////////////////////////////////////////////////////////////////////////////
pg!`SxFD BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Y'JL (~| {
pZ\$50t&O TOKEN_PRIVILEGES tp;
KGQC't LUID luid;
Xy!&^C` J` ]?#
#))RUS if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
gDv$DB8- {
- `4Ty*K printf("\nLookupPrivilegeValue error:%d", GetLastError() );
\n;g2/VjO return FALSE;
mmcdtVe }
)Oe`s(O@[I tp.PrivilegeCount = 1;
N33AcV!*8 tp.Privileges[0].Luid = luid;
Wxs>osq if (bEnablePrivilege)
bKByU{t tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
ArL-rJ{} else
*`1bc'umM; tp.Privileges[0].Attributes = 0;
9t}J|09i // Enable the privilege or disable all privileges.
niQcvnT4b AdjustTokenPrivileges(
*;P2+cE>H3 hToken,
sbA2W~: FALSE,
%ZuLl( &tp,
(Xj.iP sizeof(TOKEN_PRIVILEGES),
hv{87`L'K( (PTOKEN_PRIVILEGES) NULL,
pX^=be_ (PDWORD) NULL);
[,GU5,o // Call GetLastError to determine whether the function succeeded.
b"&E,=L if (GetLastError() != ERROR_SUCCESS)
`[bJYZBc2 {
(Z
8,e printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
w49{-Pp[ return FALSE;
/4-}k }
k{{hZ/om return TRUE;
wn1,
EhHt }
*(p7NYf1 ////////////////////////////////////////////////////////////////////////////
NhCAv+ BOOL KillPS(DWORD id)
sxk*$jO[] {
*.3y2m,bZ HANDLE hProcess=NULL,hProcessToken=NULL;
wsI5F&R, BOOL IsKilled=FALSE,bRet=FALSE;
1I
b_Kmb- __try
B#:E?a;{ {
`1q|F9D ]K*GSU if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
"]UIz_^'`U {
?^F5(B[+Y printf("\nOpen Current Process Token failed:%d",GetLastError());
AygvJeM_W __leave;
)6 k1 P }
?lyltAxs' //printf("\nOpen Current Process Token ok!");
8J):\jAZ6 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
N2% :h;tf {
]$|st^Q __leave;
ZBC@xM&- }
6: GN(R$0 printf("\nSetPrivilege ok!");
r*]uR /Z$ 8
#Fh> if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Wxc^_iqA1 {
h&P
{p _Y printf("\nOpen Process %d failed:%d",id,GetLastError());
Zsgi{ __leave;
#?Wo <]i }
fRFYJFc n //printf("\nOpen Process %d ok!",id);
"5h_8k~sQ if(!TerminateProcess(hProcess,1))
x*J|i4 {
Y6a$gXRT printf("\nTerminateProcess failed:%d",GetLastError());
,$ mLL __leave;
_)q4I(s* }
HGb.656r IsKilled=TRUE;
4/f[`].#W }
YLigP"*~^ __finally
?l>e75V%w {
jP7w6sk
E if(hProcessToken!=NULL) CloseHandle(hProcessToken);
wM0E%6
P if(hProcess!=NULL) CloseHandle(hProcess);
=nw0# ' }
_\!0t return(IsKilled);
'(XW$D }
!YIb //////////////////////////////////////////////////////////////////////////////////////////////
5c)<'EP OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
VT
Vm7l /*********************************************************************************************
9GaL0OWo ModulesKill.c
ff[C' Create:2001/4/28
j37: Modify:2001/6/23
~n8F7 Author:ey4s
VD9J}bgJ Http://www.ey4s.org cT I,1U PsKill ==>Local and Remote process killer for windows 2k
/XN*)m **************************************************************************/
P.!;Uf}32 #include "ps.h"
[{?;c+[ #define EXE "killsrv.exe"
T*8_FR < #define ServiceName "PSKILL"
J(^
>?d' \"t`W: #pragma comment(lib,"mpr.lib")
D*qzNT@`LR //////////////////////////////////////////////////////////////////////////
7Y)s#FJ //定义全局变量
y6\ [1nZ SERVICE_STATUS ssStatus;
P$Axc/H SC_HANDLE hSCManager=NULL,hSCService=NULL;
FJW`$5? BOOL bKilled=FALSE;
\k4M{h6 char szTarget[52]=;
tfsh!)u? //////////////////////////////////////////////////////////////////////////
dbg|VoNf BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
tgc@7 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
We|-5 BOOL WaitServiceStop();//等待服务停止函数
[1mIdwS BOOL RemoveService();//删除服务函数
}~V,_Fv /////////////////////////////////////////////////////////////////////////
Xa>}4j. int main(DWORD dwArgc,LPTSTR *lpszArgv)
`TOX1cmw {
NPP3(3C BOOL bRet=FALSE,bFile=FALSE;
coSTZ&0 char tmp[52]=,RemoteFilePath[128]=,
Bg5;Q) szUser[52]=,szPass[52]=;
|^Ur HANDLE hFile=NULL;
9W$mDw6f DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
E
$ <;@ ??q!jm-m //杀本地进程
{Qm6?H if(dwArgc==2)
^fG`DjA) {
vrQFx~ZztH if(KillPS(atoi(lpszArgv[1])))
!\3}R25 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Qf"6PJ else
s!NisF
printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
5 =*@l lpszArgv[1],GetLastError());
)\(lg*?: return 0;
~T;K-9R }
X4XFu //用户输入错误
<n f=SRZ else if(dwArgc!=5)
9DmSs=A {
dy'X<o^?W printf("\nPSKILL ==>Local and Remote Process Killer"
P"2Q&M_/ "\nPower by ey4s"
.&Y,D-h}7| "\nhttp://www.ey4s.org 2001/6/23"
xcsFODx~ "\n\nUsage:%s <==Killed Local Process"
OCvml 2
vP "\n %s <==Killed Remote Process\n",
H7y&N5.V lpszArgv[0],lpszArgv[0]);
{jrZ?e-q return 1;
~>.awu+o| }
LRhP7D+A //杀远程机器进程
|:dCVd<du strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
\YjB+[. strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
3x,Aczb strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
FfZ{%E XryQ)x( //将在目标机器上创建的exe文件的路径
u=1B^V,6V sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
UUZ6N ZQI __try
e =0l<Rj {
:v|r= #OI //与目标建立IPC连接
C#ZmgR if(!ConnIPC(szTarget,szUser,szPass))
$:xF)E {
-WQ_[t9l printf("\nConnect to %s failed:%d",szTarget,GetLastError());
uPM8GIvZX. return 1;
O_qu;Dx! }
sj#{TTW printf("\nConnect to %s success!",szTarget);
*7)S%r,? //在目标机器上创建exe文件
.LWOM8) 8}ii3P y hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
p)K9ZI E,
aE%eJ)+K NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
tU8g(ep,o if(hFile==INVALID_HANDLE_VALUE)
kyp U&F {
tn(f rccy printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
GZxglU,3T __leave;
;a#}fX }
Sn_z //写文件内容
i=,B88ko while(dwSize>dwIndex)
~ra#UG\Y8 {
Q=)"om e);bF>.~ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
K7)j {
,Zf
:R printf("\nWrite file %s
!"Z."fm* failed:%d",RemoteFilePath,GetLastError());
MoC*tImWR __leave;
& y#y>([~ }
9_g>BI;"8 dwIndex+=dwWrite;
-wPuml!hZ| }
uzat."`d' //关闭文件句柄
_|Y.!ZRYP CloseHandle(hFile);
Lf$Q
%eM0 bFile=TRUE;
<=B1"'\ //安装服务
IM l9\U if(InstallService(dwArgc,lpszArgv))
'8]|E
{
&!H~bzg //等待服务结束
>cvE_g"?C if(WaitServiceStop())
f\U? :83 {
^bZ<9} //printf("\nService was stoped!");
03i?"MvNo }
P wt ?9I else
<k!mdj) {
c,b`N0dOKL //printf("\nService can't be stoped.Try to delete it.");
c,g]0S?gu }
,3fuX~g Sleep(500);
~v{C6) //删除服务
WHhR)$zC RemoveService();
mcAH1k e }
I@y2HxM }
~;!i)[- __finally
?15POY ?Z {
"jkw8UVz //删除留下的文件
y<I Z|f if(bFile) DeleteFile(RemoteFilePath);
i'eYmm96Q //如果文件句柄没有关闭,关闭之~
tH<