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。
1@1U/ss1 OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
sCk? <1>与远程系统建立IPC连接
#& Rw& <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
j; y#[| <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
a (b# <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
>X4u]>X <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
ZR?yDgL <6>服务启动后,killsrv.exe运行,杀掉进程
A.F738Zp{Z <7>清场
4$S;( 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
=mpVYA /***********************************************************************
lP@Ki5 Module:Killsrv.c
9:1Q1,-i!- Date:2001/4/27
K&70{r Author:ey4s
{~sDYRX Http://www.ey4s.org $#S&QHyEe ***********************************************************************/
kDN:ep{/ #include
DYxCQ
D #include
4^~(Mh- Mw #include "function.c"
NzOo0tz: #define ServiceName "PSKILL"
^_u kLzP9 e`TH91@ SERVICE_STATUS_HANDLE ssh;
#( jw!d& SERVICE_STATUS ss;
cy3B({PLy /////////////////////////////////////////////////////////////////////////
;1.,Sn+zO void ServiceStopped(void)
sOJQ,"sB {
4?7W+/~<& ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
,J>5:ht(6 ss.dwCurrentState=SERVICE_STOPPED;
`t9?=h! ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
_:C9{aEZb ss.dwWin32ExitCode=NO_ERROR;
4VCOKx ss.dwCheckPoint=0;
ie\"$i.98H ss.dwWaitHint=0;
An"</;HU SetServiceStatus(ssh,&ss);
R0vI bFwj return;
lq&wXi }
L>%o[tS /////////////////////////////////////////////////////////////////////////
!~&R"2/ void ServicePaused(void)
TXk?#G\o {
6qaQ[XTxf ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Jjv=u ss.dwCurrentState=SERVICE_PAUSED;
tj4VWJK ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
*
%M3PTY\ ss.dwWin32ExitCode=NO_ERROR;
ac.Ms (D ss.dwCheckPoint=0;
%.
,=maA ss.dwWaitHint=0;
FPI;Jx6W' SetServiceStatus(ssh,&ss);
0_"fJ~Y^J return;
w1#gOwA,$ }
Boz@bl mCB void ServiceRunning(void)
A"D,Kg
S {
.0rh y2 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
[4C:r! ss.dwCurrentState=SERVICE_RUNNING;
\lC ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
,%Up0Rr, ss.dwWin32ExitCode=NO_ERROR;
:^x?2%
~K. ss.dwCheckPoint=0;
[tA;l+Q\& ss.dwWaitHint=0;
fCtPu08{Z SetServiceStatus(ssh,&ss);
>ByXB!Wi+ return;
p)3U7"q }
)5U[o0td /////////////////////////////////////////////////////////////////////////
5qoSEI-m void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
4NG?_D5& {
^? ]%sdT q switch(Opcode)
nMvKTH {
zs*L~_K case SERVICE_CONTROL_STOP://停止Service
#ap9Yoyk\ ServiceStopped();
e0@Y#7N62 break;
[$"n^5_~ case SERVICE_CONTROL_INTERROGATE:
J6G(_(d SetServiceStatus(ssh,&ss);
$Gv9m break;
?0oUS+lU }
Adgc%
.# return;
z0*_^MH }
pL%r,Y_^\x //////////////////////////////////////////////////////////////////////////////
dwd:6.J( //杀进程成功设置服务状态为SERVICE_STOPPED
IGFR4+ //失败设置服务状态为SERVICE_PAUSED
>Ll$p0W //
`8>Py~ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Ox'/`Mppw {
9n5<]Q( ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
y>|{YWbp? if(!ssh)
Bv.`R0e& {
H0R&2#YD ServicePaused();
FH%GIi return;
ZwerDkd }
|7pR)KH3 ServiceRunning();
M7+h(\H]2 Sleep(100);
B8%{}[q //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
P#/HTu5q7 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
-,{-bi if(KillPS(atoi(lpszArgv[5])))
?9=9C"&s ServiceStopped();
j$Je6zq0x else
z.VyRB i0 ServicePaused();
fb:j%1WF return;
ZzBQe }
WJ9cZL /////////////////////////////////////////////////////////////////////////////
u@%r void main(DWORD dwArgc,LPTSTR *lpszArgv)
U(;&(W"M
{
]UG*r%9 SERVICE_TABLE_ENTRY ste[2];
\y{Tn@7 ste[0].lpServiceName=ServiceName;
Uyr3dN%*r ste[0].lpServiceProc=ServiceMain;
Yl$SW;@ ste[1].lpServiceName=NULL;
0%
#<c p ste[1].lpServiceProc=NULL;
D^;*U[F? StartServiceCtrlDispatcher(ste);
1G'`2ATF* return;
AkT<2H|4 }
D\YE^8/ /////////////////////////////////////////////////////////////////////////////
.ol'.t,S 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
|s)?cpb 下:
AVU>+[.=%c /***********************************************************************
e<#DdpX!H~ Module:function.c
^@_m "^C Date:2001/4/28
.+([ Author:ey4s
(x$9~;<S*d Http://www.ey4s.org `3'0I /d"z ***********************************************************************/
X*7\lf2 #include
5 VA(tzmCt ////////////////////////////////////////////////////////////////////////////
+EM_TTf4 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
UYtuED {
:g\rQazxO TOKEN_PRIVILEGES tp;
7RvUH-S[ LUID luid;
lw(e3j UP{j5gR:_ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
O!Z|r? {
;|cTHGxbE printf("\nLookupPrivilegeValue error:%d", GetLastError() );
|uH%6&\ return FALSE;
vkRi5!bR }
a%Jx
`hx tp.PrivilegeCount = 1;
1lnU77; tp.Privileges[0].Luid = luid;
tB'V if (bEnablePrivilege)
U`x bPQ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
<d7V<&@o= else
{+g[l5CR[ tp.Privileges[0].Attributes = 0;
[;b=A // Enable the privilege or disable all privileges.
JkA|Qdj~Mr AdjustTokenPrivileges(
N6[i{;K@N{ hToken,
NS,5/t FALSE,
[&qA\ &tp,
z2.9l?"rfQ sizeof(TOKEN_PRIVILEGES),
`Zdeq.R] (PTOKEN_PRIVILEGES) NULL,
30BFwNE (PDWORD) NULL);
XIep3l* // Call GetLastError to determine whether the function succeeded.
eT!*_.' e if (GetLastError() != ERROR_SUCCESS)
DHI%R< {
N*^iOm]Y printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
?$chO|QY return FALSE;
zcqv0lM ' }
[
GcH4E9r return TRUE;
aLo^f=S }
N<d0C ////////////////////////////////////////////////////////////////////////////
^<$$h BOOL KillPS(DWORD id)
s(2/]f$ {
vHydqFi 9 HANDLE hProcess=NULL,hProcessToken=NULL;
6H]rO3[8 BOOL IsKilled=FALSE,bRet=FALSE;
{zckY __try
4J~ZZ {
bUcEQGHcZ= o$4i{BL if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
"Y1]6
Zu {
wI0NotC printf("\nOpen Current Process Token failed:%d",GetLastError());
"r+ v^ __leave;
R5"5Z?' }
a+-X\qN //printf("\nOpen Current Process Token ok!");
c}-ADr9 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
5%6{ ePh{ {
V/t/uNm __leave;
y^u9Ttf{ }
`] fud{ printf("\nSetPrivilege ok!");
qj.>4d
Wx8oTN if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Z&Qz"V>$ {
Y5/SbQYf1 printf("\nOpen Process %d failed:%d",id,GetLastError());
uc~/l4~N __leave;
{0(:5% }
)'1rZb5 //printf("\nOpen Process %d ok!",id);
1H-d<G0) if(!TerminateProcess(hProcess,1))
n)<S5P? {
;h"St0
printf("\nTerminateProcess failed:%d",GetLastError());
B=<Z@u __leave;
hf`5NcnP }
VG=mA4Dd IsKilled=TRUE;
5LX'fL7zU }
#^>Md59N __finally
15l{gbCW {
IG(1h+5R( if(hProcessToken!=NULL) CloseHandle(hProcessToken);
pzcl@ if(hProcess!=NULL) CloseHandle(hProcess);
kq4ii`zi8 }
8mc0(Z@ return(IsKilled);
dSP~R }
K*/X{3 J; //////////////////////////////////////////////////////////////////////////////////////////////
c/'Cju W 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:
Iq?#kV9) /*********************************************************************************************
H6oU Ne ModulesKill.c
0K<|>I Create:2001/4/28
Cu $mb}@ Modify:2001/6/23
f(*ygI Author:ey4s
2?}5U)Hg Http://www.ey4s.org \RF{ITV$kD PsKill ==>Local and Remote process killer for windows 2k
xb (Cd **************************************************************************/
;1MRBk, #include "ps.h"
|19zjhl #define EXE "killsrv.exe"
C f(g #define ServiceName "PSKILL"
dI%#cf1 S|Yz5)* #pragma comment(lib,"mpr.lib")
vmGGdj5aI //////////////////////////////////////////////////////////////////////////
a W9_[#z5 //定义全局变量
nYb{?{_ca8 SERVICE_STATUS ssStatus;
dRGgiQO SC_HANDLE hSCManager=NULL,hSCService=NULL;
EpCT !e BOOL bKilled=FALSE;
%>z)Q char szTarget[52]=;
/@O$jlX5I //////////////////////////////////////////////////////////////////////////
-tH ^Deo BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
GF/!@N BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
i.5?b/l0 BOOL WaitServiceStop();//等待服务停止函数
8q/3}AnI BOOL RemoveService();//删除服务函数
S)\Yc=~h /////////////////////////////////////////////////////////////////////////
L#~z# int main(DWORD dwArgc,LPTSTR *lpszArgv)
w|G4c^KH {
0Q{^BgW BOOL bRet=FALSE,bFile=FALSE;
oD8X]R,
H char tmp[52]=,RemoteFilePath[128]=,
.kqH}{hf szUser[52]=,szPass[52]=;
N]dsGvX HANDLE hFile=NULL;
%NH{%K, DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
xV\mS+#
^V?W'~ //杀本地进程
0K:3?Ik if(dwArgc==2)
JU`5K}H< {
zqlgJn if(KillPS(atoi(lpszArgv[1])))
zf.&E3Sn printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
+d289" else
,&ld:v?~ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
rk)h_zN lpszArgv[1],GetLastError());
8r\;8all return 0;
Y7GHIzX }
@\?QZX(H //用户输入错误
"~,3gNTzV else if(dwArgc!=5)
%SC%#_7 {
1$RUhxT printf("\nPSKILL ==>Local and Remote Process Killer"
;8iK] ;^ "\nPower by ey4s"
f2]O5rXp "\nhttp://www.ey4s.org 2001/6/23"
TD^w|U. "\n\nUsage:%s <==Killed Local Process"
!WgVk7aP` "\n %s <==Killed Remote Process\n",
C#oH7o+_. lpszArgv[0],lpszArgv[0]);
[eLU}4v{ return 1;
Z` zyEP A }
2 e9lk$ //杀远程机器进程
,@Ae o9} strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
d#cEAy strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
5 `A^"}0 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
5-B % 08T 48g`i //将在目标机器上创建的exe文件的路径
"8*5!anu- sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
j= vlsW __try
(!:+q$#BK {
~fz9AhU8 //与目标建立IPC连接
^b&U0k$R if(!ConnIPC(szTarget,szUser,szPass))
Rdj/n : {
oaGpqjBGQ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
_J ZlXY return 1;
RA
ER\9i }
|S.;']t+ printf("\nConnect to %s success!",szTarget);
jA,|.P> //在目标机器上创建exe文件
%Q. |qyq ) mh,F#"L hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Nu4PY@m]C E,
Kq&JvY^ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
3v,Bg4[i if(hFile==INVALID_HANDLE_VALUE)
?L(y8b}F( {
YJqbA?i printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
.]y"04@] __leave;
)o N#%%SB< }
*$*V#,V- //写文件内容
b3^d!#KVM while(dwSize>dwIndex)
)D8V;g(7F {
<wj}y0( QQW]j;'~ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
oeF0t'% {
~Blsj9a2 printf("\nWrite file %s
9`|~-b failed:%d",RemoteFilePath,GetLastError());
o?((FW5.; __leave;
<:!;79T\ }
ODyKS; dwIndex+=dwWrite;
t<H@c9{;* }
DEN (pA\ //关闭文件句柄
^hyp}WN CloseHandle(hFile);
:#nv:~2] bFile=TRUE;
PsOu:`=r //安装服务
h%+6y if(InstallService(dwArgc,lpszArgv))
O]-s(8Oo3 {
4fgYO] //等待服务结束
%=<