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。
"An,Q82oHf OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
JUsQ,ETn <1>与远程系统建立IPC连接
Qk0R a_ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
V39g,=`b% <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
?[VM6- & <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
&c` nR< <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
&SIq2>Q A <6>服务启动后,killsrv.exe运行,杀掉进程
dV*]f$wQ <7>清场
+dWDxguE{w 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Y4OPEo 5o /***********************************************************************
e{h<g>7 Module:Killsrv.c
rDD:7*z Date:2001/4/27
HeK/7IAqp Author:ey4s
[/,) Http://www.ey4s.org 8{|8G-Mi ***********************************************************************/
AhCW'. #include
)s)I2Z+ #include
4qphA9i1 #include "function.c"
h(<,fg1 #define ServiceName "PSKILL"
/vY(o1o
x _- [''(E SERVICE_STATUS_HANDLE ssh;
o906/5M SERVICE_STATUS ss;
bH-ub2@qO /////////////////////////////////////////////////////////////////////////
P#E &|n7DT void ServiceStopped(void)
Yab%/z2: {
_A M*@|p, ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
l3KVW5-!gS ss.dwCurrentState=SERVICE_STOPPED;
xVf|G_5$ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
z
F_M*8= ss.dwWin32ExitCode=NO_ERROR;
Kh"?%ZIa ss.dwCheckPoint=0;
N@;?CKU ss.dwWaitHint=0;
-<c=US SetServiceStatus(ssh,&ss);
@d^Grm8E return;
F;>V>" edl }
9V'%<pk''( /////////////////////////////////////////////////////////////////////////
[=x[ w70 void ServicePaused(void)
a[v0%W ]u {
5uGqX" ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
]O Z5fd ss.dwCurrentState=SERVICE_PAUSED;
*w$W2I>b7 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
O1rvaOlr ss.dwWin32ExitCode=NO_ERROR;
NWP5If|'X ss.dwCheckPoint=0;
LnFdhrB@x ss.dwWaitHint=0;
7WZrSC SetServiceStatus(ssh,&ss);
,ZKr.`B return;
LZ\q37UV }
}xKP~h'F void ServiceRunning(void)
+cWLjPD/} {
PvR6
z0 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
<z+t,<3D ss.dwCurrentState=SERVICE_RUNNING;
7.-V-?i ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
=AsEZ)" _ ss.dwWin32ExitCode=NO_ERROR;
&*sP/z ss.dwCheckPoint=0;
68bQ;Dv ss.dwWaitHint=0;
*xc_k"\ SetServiceStatus(ssh,&ss);
h~A/ y!s return;
*zNYZ# }
#:%&x@@c3P /////////////////////////////////////////////////////////////////////////
{qDSPo void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
jy7\+i {
MtM%{=&_ switch(Opcode)
y9_V {
O7u(}$D
L case SERVICE_CONTROL_STOP://停止Service
]~844Jp ServiceStopped();
uvgdY break;
h}-3\8 > case SERVICE_CONTROL_INTERROGATE:
1ofKt=|= SetServiceStatus(ssh,&ss);
XoXM^*Vk break;
@<<<C?CTv }
K*\'.~[6 return;
kM!kD4& }
d; [C6d //////////////////////////////////////////////////////////////////////////////
?8HHA:GP //杀进程成功设置服务状态为SERVICE_STOPPED
%/EVUN9= //失败设置服务状态为SERVICE_PAUSED
/TE_W@?^ //
UT>s5C void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
M\C"5%2Mu {
+_s #2 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
.R`5Qds*l if(!ssh)
|yvQ[U~PQ {
2`.cK 3 ServicePaused();
hS_6 return;
L%">iQOG# }
P<oehw'> ServiceRunning();
S(QpM.9* Sleep(100);
}p=Jm)y //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
,?PTcQF //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
Wi>!{.}%A if(KillPS(atoi(lpszArgv[5])))
M]<?k]_p ServiceStopped();
U2$d%8G else
dL:-Y.?0M ServicePaused();
85lCj-cs return;
M=.:,wRm }
xrlmKSPa /////////////////////////////////////////////////////////////////////////////
=nz}XH%= void main(DWORD dwArgc,LPTSTR *lpszArgv)
QS0:@.}$E) {
g"Ljm7 SERVICE_TABLE_ENTRY ste[2];
J5*tJoCYS ste[0].lpServiceName=ServiceName;
ckV`OaRw4 ste[0].lpServiceProc=ServiceMain;
oV)~@0B&0 ste[1].lpServiceName=NULL;
%?LOs
H ste[1].lpServiceProc=NULL;
aGK?x1_ StartServiceCtrlDispatcher(ste);
sfLMkE return;
4f@o mAM }
^<;V]cY` /////////////////////////////////////////////////////////////////////////////
=b38(\ 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
h"`ucC8X 下:
|}23>l7 /***********************************************************************
`(T,+T4C5k Module:function.c
v. %R}Pa Date:2001/4/28
Xf0M:\w=M Author:ey4s
jQk*8 Http://www.ey4s.org pqUCqo!m\ ***********************************************************************/
`J]fcE%T0R #include
ttXXy3G# ////////////////////////////////////////////////////////////////////////////
9F6F~::l} BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
NxSu3e~PS {
ag$Vgl TOKEN_PRIVILEGES tp;
.b\$MZ"( LUID luid;
0MV>"aV #G|qD if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
6cpw~ {
^?$WVB printf("\nLookupPrivilegeValue error:%d", GetLastError() );
0 - ><q return FALSE;
pkP?i5, }
:!/gk8F|dI tp.PrivilegeCount = 1;
m7&O9?X tp.Privileges[0].Luid = luid;
FSU ttg" if (bEnablePrivilege)
qs|mj}? tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
.7zK@6i else
OF%B[h&
tp.Privileges[0].Attributes = 0;
?in|qevL // Enable the privilege or disable all privileges.
Mmj;'iYOwF AdjustTokenPrivileges(
Y^36>1.: hToken,
K6y :mJYp\ FALSE,
Jwj%_< &tp,
np%\&CVhN sizeof(TOKEN_PRIVILEGES),
y+!+ D[x (PTOKEN_PRIVILEGES) NULL,
fKp#\tCc y (PDWORD) NULL);
*o-.6OxZ$ // Call GetLastError to determine whether the function succeeded.
gWrgnlq if (GetLastError() != ERROR_SUCCESS)
RZ6xdq}> {
6Ztq printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
F&])P-
!3 return FALSE;
!(qsD+ }
Q
s.pGi0W return TRUE;
[(o7$i29|% }
~)qtply ////////////////////////////////////////////////////////////////////////////
7~&/_3 BOOL KillPS(DWORD id)
PN0VQ/.. {
1J6,]M HANDLE hProcess=NULL,hProcessToken=NULL;
.P.z B}0= BOOL IsKilled=FALSE,bRet=FALSE;
tyfTU5"x __try
1mfs4 {
U`,0]"Qk FW) x:2BG if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
m.px>v- {
_FXZm50\g{ printf("\nOpen Current Process Token failed:%d",GetLastError());
]E_h __leave;
<WjF*x p }
iS&l8@2a //printf("\nOpen Current Process Token ok!");
)>b.; if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
jAy^J(+ {
3ia^\ jw __leave;
?I/qE='* }
[~kdPk printf("\nSetPrivilege ok!");
48jVRo ikSF)r;*t if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
"8~:[G# {
Glxuz0] printf("\nOpen Process %d failed:%d",id,GetLastError());
N;Dni#tQ` __leave;
z ^_*& }
zS\E/.X2 //printf("\nOpen Process %d ok!",id);
n8uv#DsdK if(!TerminateProcess(hProcess,1))
\ {qI4= {
xfy1pS.[: printf("\nTerminateProcess failed:%d",GetLastError());
_
):d`O e __leave;
[vMvV4, }
RaWG w IsKilled=TRUE;
pAb.c }
NM]s8cK_ __finally
IP``O!WP {
/EibEd\ if(hProcessToken!=NULL) CloseHandle(hProcessToken);
6 `Aj%1 if(hProcess!=NULL) CloseHandle(hProcess);
"VkTY|a }
F^N82 return(IsKilled);
]Pry>N3G5 }
h@:TpE+N //////////////////////////////////////////////////////////////////////////////////////////////
y_*PQZ$c< 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:
{88gW\GL /*********************************************************************************************
UbEb&9} ModulesKill.c
"Vw m Create:2001/4/28
t<T[h2Wd Modify:2001/6/23
(
{1e% Author:ey4s
&FH2fMLQ Http://www.ey4s.org 9R;/*$ PsKill ==>Local and Remote process killer for windows 2k
{o!KhF:[ **************************************************************************/
j<2m,~k`V #include "ps.h"
N2oRJ,:B #define EXE "killsrv.exe"
K`/`|1 #define ServiceName "PSKILL"
$&$w Y/F |}{B1A #pragma comment(lib,"mpr.lib")
D\@m6=L //////////////////////////////////////////////////////////////////////////
VR+<v //定义全局变量
: p{+G SERVICE_STATUS ssStatus;
[,K.*ZQi SC_HANDLE hSCManager=NULL,hSCService=NULL;
CT KG9 T BOOL bKilled=FALSE;
0{[m%eSK' char szTarget[52]=;
%1.]c6U //////////////////////////////////////////////////////////////////////////
JYrY[',u BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
[q_`X~3 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
txZ?=8j_Y BOOL WaitServiceStop();//等待服务停止函数
vj51
g@ BOOL RemoveService();//删除服务函数
ZA Jp% /////////////////////////////////////////////////////////////////////////
~7$&WzD int main(DWORD dwArgc,LPTSTR *lpszArgv)
^qg?6S4 {
L7= Q<D< BOOL bRet=FALSE,bFile=FALSE;
"6R
5+ char tmp[52]=,RemoteFilePath[128]=,
Aub]IO~ szUser[52]=,szPass[52]=;
Di@GY! HANDLE hFile=NULL;
N[<H7_/3 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
r'dr9"-{ p.
R2gl1m //杀本地进程
3' ~gviI if(dwArgc==2)
lz?;#U {
&?uz`pv2 if(KillPS(atoi(lpszArgv[1])))
DHw&+MY printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Py>{t4;S else
!@x+q)2 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
FuUD 61JHY lpszArgv[1],GetLastError());
S#-wl2z return 0;
%'xb%`t }
Y 2Q=rj //用户输入错误
U3izvM else if(dwArgc!=5)
I=7Y]w= {
S@}1t4Ls: printf("\nPSKILL ==>Local and Remote Process Killer"
"]m+z)lWd "\nPower by ey4s"
,bM-I2BR "\nhttp://www.ey4s.org 2001/6/23"
ly4s"4v "\n\nUsage:%s <==Killed Local Process"
P7 ]z "\n %s <==Killed Remote Process\n",
?;wpd';c lpszArgv[0],lpszArgv[0]);
#Hvq/7a2R return 1;
}<>~sy }
1VF
//杀远程机器进程
],ZzI strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
K]qM~v<A strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
R64!>o"nED strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
T;diNfgg N7b1.]< //将在目标机器上创建的exe文件的路径
OdQT2PA_ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
Qd_Y\PzS __try
hY*0aZ|( {
&n[~!%( //与目标建立IPC连接
PN$X N< if(!ConnIPC(szTarget,szUser,szPass))
osOVg0Gyj {
+B'8|5tPX printf("\nConnect to %s failed:%d",szTarget,GetLastError());
zP:cE return 1;
FYb34LY }
C@Nv;;AlU printf("\nConnect to %s success!",szTarget);
+&X%<S
W //在目标机器上创建exe文件
-w;(cE 2>]a) hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
T/c<23i E,
WEa2E?* NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
F$Ca;cP" if(hFile==INVALID_HANDLE_VALUE)
GyW.2 {
=?])['VaA printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
dLvJh#`o __leave;
< AI;6/ }
[k[u*5hP|F //写文件内容
R7s|`\ while(dwSize>dwIndex)
F(
Ak {
9'DtaTmGW O1D6^3w if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
FZ|CqD"# {
yoRU_%xA printf("\nWrite file %s
N7%TYs failed:%d",RemoteFilePath,GetLastError());
v!42DA) __leave;
ckjrk }
@ct+7v~ dwIndex+=dwWrite;
.6m "'m0; }
]WUC:6x //关闭文件句柄
T*I?9d{k CloseHandle(hFile);
tu>{ bFile=TRUE;
iB1i/l //安装服务
RGIoI]_ if(InstallService(dwArgc,lpszArgv))
c=[q(|+O! {
j J3zF3Id //等待服务结束
0@5E|<