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。
n&{N'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。
2>$L>2$ <1>与远程系统建立IPC连接
T<,tC" <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
4tu>~ vOE <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
fBh|:2u <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
FOyfk$ <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
BrmFwXLP" <6>服务启动后,killsrv.exe运行,杀掉进程
xyCcd= <7>清场
l zknB 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
3nGK674;z /***********************************************************************
-mdPqVIJn: Module:Killsrv.c
`erQp0fBM Date:2001/4/27
.f<,H+ m^ Author:ey4s
!Bbwl-e` Http://www.ey4s.org PEhLzZX+ ***********************************************************************/
XYVeHP! #include
62E(=l #include
I9&<:` #include "function.c"
/ UBAQ8TR #define ServiceName "PSKILL"
DuZ]g# Rzj!~`&N SERVICE_STATUS_HANDLE ssh;
{]N?DmF SERVICE_STATUS ss;
[NDYJ'VGe /////////////////////////////////////////////////////////////////////////
3+PM_c)Y void ServiceStopped(void)
OtqLigt&l {
\K=PIcH ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
IUG.q8 ss.dwCurrentState=SERVICE_STOPPED;
Efd[ZJxS6 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
`G{t<7[[; ss.dwWin32ExitCode=NO_ERROR;
HYa!$P3}[ ss.dwCheckPoint=0;
AU\!5+RDB ss.dwWaitHint=0;
ZWW}r~d{ SetServiceStatus(ssh,&ss);
pDN,(Ip return;
#>NZN1 }
1S@k=EKM /////////////////////////////////////////////////////////////////////////
(G'ddZAJV void ServicePaused(void)
,urkd~ {
:Dm@3S$4< ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
i<![i5uAI ss.dwCurrentState=SERVICE_PAUSED;
]c+'SJQ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
>u[ln@ l ss.dwWin32ExitCode=NO_ERROR;
DzOJ{dF ss.dwCheckPoint=0;
:fUmMta ss.dwWaitHint=0;
?7s SetServiceStatus(ssh,&ss);
0 ']M,iC/ return;
^<b.j.$<z }
>qZRIDE5$ void ServiceRunning(void)
mJqP#Unik {
=~*u(0sJa ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
-p~B
-, ss.dwCurrentState=SERVICE_RUNNING;
0nn#U ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
w-/Tb~#E ss.dwWin32ExitCode=NO_ERROR;
-OAH6U9^ ss.dwCheckPoint=0;
zj4JWUM2 ss.dwWaitHint=0;
y['icGU6 SetServiceStatus(ssh,&ss);
3".W return;
>?xVr }
3N\X{za /////////////////////////////////////////////////////////////////////////
?!vW&KJZx void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
.=D6<4#t {
:v48y.Ij7s switch(Opcode)
1 Qkuxw {
3g?T,|2K case SERVICE_CONTROL_STOP://停止Service
8ttw!x69)_ ServiceStopped();
Ric$Xmu break;
#SOe&W5 case SERVICE_CONTROL_INTERROGATE:
4QDzG~N4)| SetServiceStatus(ssh,&ss);
9`b3=&i\ break;
o!&*4>tF }
)A"7l7?.n) return;
:W55JD' }
BJTljg({o //////////////////////////////////////////////////////////////////////////////
XoOe=V?I ) //杀进程成功设置服务状态为SERVICE_STOPPED
c Ix(;[U //失败设置服务状态为SERVICE_PAUSED
fW`F^G1R //
BC+qeocg void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
~A( Pa- {
^a
r9$$~/! ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
W[DB!ue if(!ssh)
[ j_jee {
YN3uhd[2 ServicePaused();
v4zARE9# return;
wVB8PO8 }
iBt5aUt ServiceRunning();
Z
m>69gl Sleep(100);
1owoh,V6 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
6ZJQ '9f //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
&bNj/n/ if(KillPS(atoi(lpszArgv[5])))
#/6X44
*u ServiceStopped();
<Do89 else
v%w]Q B ServicePaused();
>@o*v*25 return;
T9 1Iz+j }
J KGZ0yn /////////////////////////////////////////////////////////////////////////////
9:>vl0 void main(DWORD dwArgc,LPTSTR *lpszArgv)
yo=d"*E4^ {
mbK$Wp# SERVICE_TABLE_ENTRY ste[2];
%G*D0pE ste[0].lpServiceName=ServiceName;
qK
pU.rP ste[0].lpServiceProc=ServiceMain;
oj, ste[1].lpServiceName=NULL;
$6[]c)( ste[1].lpServiceProc=NULL;
X;0@41t' StartServiceCtrlDispatcher(ste);
/:)4tIV return;
*@Z'{V\ }
oc3/
IWII /////////////////////////////////////////////////////////////////////////////
]0O$2 j_ 7 function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
ZBWe,Xvq 下:
yO)Qg*r /***********************************************************************
-_dgd:or Module:function.c
;DOz92X94 Date:2001/4/28
TfOZ>uR"g Author:ey4s
O_q_O Http://www.ey4s.org s&l[GKR ***********************************************************************/
PsVA>Q,4!. #include
mCo5Gdt ////////////////////////////////////////////////////////////////////////////
u[u=:Y+ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
,b8AB_yw {
\v<}{\.|$ TOKEN_PRIVILEGES tp;
R:E:Y|&# LUID luid;
t +VPX2 &W%TY:Da| if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
_<$=n6# {
\`^jl printf("\nLookupPrivilegeValue error:%d", GetLastError() );
+y2*[ return FALSE;
@QofsWC }
f$/D?q3N tp.PrivilegeCount = 1;
w>eOERZa tp.Privileges[0].Luid = luid;
okW3V}/x/z if (bEnablePrivilege)
iT5%X tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
A@4Cfb@ else
l d@^$ tp.Privileges[0].Attributes = 0;
5y)kQ<x" // Enable the privilege or disable all privileges.
f{J7a1 `_ AdjustTokenPrivileges(
"(5}=T@, hToken,
>;Bhl|r~z FALSE,
F&\o1g-L &tp,
{XAKf_Cg sizeof(TOKEN_PRIVILEGES),
H0S7k`. (PTOKEN_PRIVILEGES) NULL,
VQCPgs (PDWORD) NULL);
f55Ev<oOa // Call GetLastError to determine whether the function succeeded.
Jg:'gF]jt if (GetLastError() != ERROR_SUCCESS)
q&.!*rPD {
6m]L{ buP printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
/>?d
2? return FALSE;
>Y:ouN~< }
>3JOQ;:d8 return TRUE;
Ce:kMkJ }
7D,+1>5^Ne ////////////////////////////////////////////////////////////////////////////
wsARH>Vz BOOL KillPS(DWORD id)
T "z!S0I {
tP UQ"S HANDLE hProcess=NULL,hProcessToken=NULL;
qy!G& BOOL IsKilled=FALSE,bRet=FALSE;
l/]P6 @N __try
Kfi A 7W {
-%A6eRShk &&JMw6
&[` if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
<:p&P {
/[IK[ printf("\nOpen Current Process Token failed:%d",GetLastError());
P_;oSN|> __leave;
LZeR.8XM> }
;rFa I^ //printf("\nOpen Current Process Token ok!");
srCjq if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
1yo@CaW[\ {
* PZ=$>r __leave;
#
;9KDt@ }
`yhL11]~ printf("\nSetPrivilege ok!");
.C1^QY-wL F'K{= if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
*6h.#$\ {
</fnbyGR printf("\nOpen Process %d failed:%d",id,GetLastError());
w-KtxG( __leave;
Lh+^GQ }
BdceINI //printf("\nOpen Process %d ok!",id);
$6_J`7 if(!TerminateProcess(hProcess,1))
\6N\6=t!A {
YC$pT printf("\nTerminateProcess failed:%d",GetLastError());
6O"0?wG+ __leave;
&^}w|J? }
2`z+_DA IsKilled=TRUE;
j>6{PDaT }
Qcw/>LaL: __finally
k_skn3,u {
\+,jM6l}- if(hProcessToken!=NULL) CloseHandle(hProcessToken);
BKIt,7j if(hProcess!=NULL) CloseHandle(hProcess);
n4:WM+f4 }
2}`OjVS return(IsKilled);
rnW i<Se }
DCNuvrZ //////////////////////////////////////////////////////////////////////////////////////////////
U{ Y)\hR- 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:
A_2ppEG /*********************************************************************************************
i,~{{XS< ModulesKill.c
(<f[$ |% Create:2001/4/28
N>/U%01a Modify:2001/6/23
wC[J=:]tA5 Author:ey4s
-0W;b"]+A Http://www.ey4s.org 1*a2s2G
' PsKill ==>Local and Remote process killer for windows 2k
w<'mV^S **************************************************************************/
<"t >!I #include "ps.h"
'd28YjtoX #define EXE "killsrv.exe"
rlds-j'' #define ServiceName "PSKILL"
/q> ""> @M(vaJB8u #pragma comment(lib,"mpr.lib")
,
w_ Ew //////////////////////////////////////////////////////////////////////////
shi#K<gVC //定义全局变量
?e BN_a,r6 SERVICE_STATUS ssStatus;
9;@6iv SC_HANDLE hSCManager=NULL,hSCService=NULL;
uto4bs: BOOL bKilled=FALSE;
Kp"o0fh<9 char szTarget[52]=;
\Wo,^qR //////////////////////////////////////////////////////////////////////////
hWUZn``U$| BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
#bGt%*Re p BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
SDot0`s> BOOL WaitServiceStop();//等待服务停止函数
U zc`,iV$ BOOL RemoveService();//删除服务函数
rod{77
/////////////////////////////////////////////////////////////////////////
8U-}%D<a int main(DWORD dwArgc,LPTSTR *lpszArgv)
1|zo-'y {
G6I>Ry[2? BOOL bRet=FALSE,bFile=FALSE;
SnVnC09y char tmp[52]=,RemoteFilePath[128]=,
V8c&2rNa szUser[52]=,szPass[52]=;
KQEn C`Nz HANDLE hFile=NULL;
`InS8PLr DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
U?kJXM2 kefQH\<X //杀本地进程
?&N
JN/+% if(dwArgc==2)
#vIF]Y {
IQR?n}ce if(KillPS(atoi(lpszArgv[1])))
wc ^z9y printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
S3 &L else
TEY%OIzU+ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
M*t{?o/t; lpszArgv[1],GetLastError());
RhYf+?2 return 0;
nlJxF5/ }
Fd3V5h //用户输入错误
N5g!,3 else if(dwArgc!=5)
0{ \AP< {
Q|;8\5 printf("\nPSKILL ==>Local and Remote Process Killer"
iLgWzA "\nPower by ey4s"
Yw./V0Z{@ "\nhttp://www.ey4s.org 2001/6/23"
' (ql7 "\n\nUsage:%s <==Killed Local Process"
q),yY]5 "\n %s <==Killed Remote Process\n",
JD,/oL.KA lpszArgv[0],lpszArgv[0]);
A9[l5E return 1;
32dR`qb }
3]V"9+ //杀远程机器进程
MbF.KmV strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
<zrGPwk strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Qq>M} strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
)Wgh5C` j134iVF% //将在目标机器上创建的exe文件的路径
Z:5e:M sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
iEnDS@7 __try
m&fm<?| {
U"/":w ~ //与目标建立IPC连接
>8EIm if(!ConnIPC(szTarget,szUser,szPass))
yw2sK7 {
Yf<6[(6 O printf("\nConnect to %s failed:%d",szTarget,GetLastError());
lLl^2[4k5 return 1;
8M!If }
NKh 8'=S printf("\nConnect to %s success!",szTarget);
U@DIO/C,m` //在目标机器上创建exe文件
H htAD Y %I?uO(
@ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
:H3qa2p E,
@=:( b"Sg NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
V
D-,)f if(hFile==INVALID_HANDLE_VALUE)
[$f {
Bh<)e5lP: printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
fsb_*sh& __leave;
r;SA1n# }
d'q,:="c //写文件内容
# sm>;+J while(dwSize>dwIndex)
3lQGU {
$fL2w^ @ "/g/Lc if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
fn]f$n*` {
``DS?pUY printf("\nWrite file %s
8Y_wS&eB failed:%d",RemoteFilePath,GetLastError());
HvLvSy1U
__leave;
Xb.WI\Eh }
w7s+6, dwIndex+=dwWrite;
xmsw'\ }
hv2@}<