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。
##H;Yb OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
dFQo <1>与远程系统建立IPC连接
N31?9GE <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
C\ vC?(n <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
& g:%*>7P <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\(wL <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
6O9iEc,HM <6>服务启动后,killsrv.exe运行,杀掉进程
wf?u(3/% <7>清场
AH^e]<2- 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
RU0i#suiz /***********************************************************************
Hle\ON Module:Killsrv.c
)u;JwFstX Date:2001/4/27
|zq4* 5 Author:ey4s
OkpwhkPL5 Http://www.ey4s.org -0$:|p?@^ ***********************************************************************/
_#!U"hkH #include
f])M04< #include
cGNvEM(4AV #include "function.c"
&|b4\uj9 #define ServiceName "PSKILL"
icE|.[ ~wOTjz SERVICE_STATUS_HANDLE ssh;
{)xWD% SERVICE_STATUS ss;
:Hk_8J /////////////////////////////////////////////////////////////////////////
x?
N.WABr; void ServiceStopped(void)
TnNWO+kg {
k#C
f}) ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
yHNuU)Ft ss.dwCurrentState=SERVICE_STOPPED;
SWs3SYJ\ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
&vkjmiAS ss.dwWin32ExitCode=NO_ERROR;
EyY],W1 Y ss.dwCheckPoint=0;
KlN/\N\ ss.dwWaitHint=0;
ZjD)?4 SetServiceStatus(ssh,&ss);
ZIpD{ >/ return;
H z@h0+h }
jvHFFSK /////////////////////////////////////////////////////////////////////////
8[zb{PRu void ServicePaused(void)
m`y9Cuk {
*}cSE|S% ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
+j{Y,t{4 ss.dwCurrentState=SERVICE_PAUSED;
l{$[}< ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
FI"HJwAs ss.dwWin32ExitCode=NO_ERROR;
[Atc "X$ ss.dwCheckPoint=0;
53Yxz3v ss.dwWaitHint=0;
$wV1*$1NM SetServiceStatus(ssh,&ss);
Vr=OYI'A return;
`G!M>h@ }
XF*.Jg] void ServiceRunning(void)
aD9q^EoEs {
ObG=>WPJa ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
>&U@f ss.dwCurrentState=SERVICE_RUNNING;
yZCX S ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
BT,b-=
;J- ss.dwWin32ExitCode=NO_ERROR;
0[T,O,y ss.dwCheckPoint=0;
_=EKXE)&} ss.dwWaitHint=0;
lnh+a7a) SetServiceStatus(ssh,&ss);
Ws I>n return;
mwC=o5O }
epg#HNP7^Y /////////////////////////////////////////////////////////////////////////
Xg7|JS! void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
O
o8qyW {
}%TPYc switch(Opcode)
MHi8E9_O {
W),l case SERVICE_CONTROL_STOP://停止Service
4!.(|h@ ServiceStopped();
3jZ6kfj break;
0w=R_C)s case SERVICE_CONTROL_INTERROGATE:
t2>fmQIQ SetServiceStatus(ssh,&ss);
zMi; A6 break;
o!c]
( }
ABh&X+YD return;
:A1: }
@-&MA)SN //////////////////////////////////////////////////////////////////////////////
CGbwmPx //杀进程成功设置服务状态为SERVICE_STOPPED
*L4`$@l8 //失败设置服务状态为SERVICE_PAUSED
`aC){&AP( //
XH}'w9VynR void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
QHq,/kWY {
PcT?<HU ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
X;oa[!k if(!ssh)
oU*45B`" {
v'!a\b`9 ServicePaused();
=O).Lx2J return;
sEJC-$ }
@#g<IBG=* ServiceRunning();
7*5Z
Sleep(100);
BZ!v%4^9 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
_tTN G2 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
o1cErI&q" if(KillPS(atoi(lpszArgv[5])))
).^}AFta ServiceStopped();
#X 52/8G else
)G^
KDj" ServicePaused();
*37uy_EpV return;
{!t7[Ctb }
i0$Bx> /////////////////////////////////////////////////////////////////////////////
}XO K,Hw void main(DWORD dwArgc,LPTSTR *lpszArgv)
I M-L'9 {
J_x13EaV0 SERVICE_TABLE_ENTRY ste[2];
Sz- Jy:j ste[0].lpServiceName=ServiceName;
tg]x0#@s ste[0].lpServiceProc=ServiceMain;
mGp.3 {j ste[1].lpServiceName=NULL;
3RLFp\i"s ste[1].lpServiceProc=NULL;
"j;4
k.`h StartServiceCtrlDispatcher(ste);
= C4 return;
=6"2UC& }
b2b^1{@h;v /////////////////////////////////////////////////////////////////////////////
v\m ]A1 function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
A); 下:
3s/H2fz /***********************************************************************
Oo"^%F~% Module:function.c
8!Vl
Date:2001/4/28
\jOA+FU[ Author:ey4s
Zt.'K(]2h Http://www.ey4s.org xx[9~z=d ***********************************************************************/
u%w`:v7Yo( #include
X!e[GJ ////////////////////////////////////////////////////////////////////////////
dZi"$ g BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
S30?VG9U0f {
uc;8 K,[t TOKEN_PRIVILEGES tp;
5$V_Hj LUID luid;
zIh['^3.n /YZr~|65 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
-$\+'
\ {
WZ.@UN, printf("\nLookupPrivilegeValue error:%d", GetLastError() );
W[Ls|<Q return FALSE;
6@rMtQfI }
"rx-_uK* tp.PrivilegeCount = 1;
3AU;>D ^5 tp.Privileges[0].Luid = luid;
Pi]19boM. if (bEnablePrivilege)
0u;4%}pD tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
<StN%2WQ1 else
\ExMk<y_& tp.Privileges[0].Attributes = 0;
wK?vPS // Enable the privilege or disable all privileges.
\O2Rhz AdjustTokenPrivileges(
$<}$DH_Y hToken,
Qk:Y2mL FALSE,
vX/T3WV
&tp,
a{L
d sizeof(TOKEN_PRIVILEGES),
-*1J f& (PTOKEN_PRIVILEGES) NULL,
wB.&}p9p (PDWORD) NULL);
`@`CG[-9 // Call GetLastError to determine whether the function succeeded.
H{Wu]C<@p if (GetLastError() != ERROR_SUCCESS)
SLa>7`<Q {
?l9XAWt\ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
PGqQ@6B return FALSE;
\W~N }
1q7|OWFT return TRUE;
.+$Q<L }
A1O'|7X ////////////////////////////////////////////////////////////////////////////
RoPRQCE BOOL KillPS(DWORD id)
8Vr%n2M {
fU/>z]K HANDLE hProcess=NULL,hProcessToken=NULL;
LRL,m_gt BOOL IsKilled=FALSE,bRet=FALSE;
VK m&iidU __try
'=b/6@& {
{*G9|#[/@ ].-1v5 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
h`^jyoF"( {
dYJ(!V& printf("\nOpen Current Process Token failed:%d",GetLastError());
!2%HhiB' __leave;
F3On?x) }
k\5c|Wq|g //printf("\nOpen Current Process Token ok!");
v[1aWv: if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
ssfr}fzH {
<:+ x+4ru __leave;
J')o|5S1N }
ztcp/1jIvS printf("\nSetPrivilege ok!");
t}r' k/[ "@V Y if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
hOjk3
k {
P3x8UR=fS printf("\nOpen Process %d failed:%d",id,GetLastError());
5_GYrR2 __leave;
y%"{I7!A }
'j#*6xD //printf("\nOpen Process %d ok!",id);
8\&X2[oAD if(!TerminateProcess(hProcess,1))
<? q?Mn {
fDv2JdiU printf("\nTerminateProcess failed:%d",GetLastError());
3dg1DR; __leave;
UXJeAE- }
P)Jgs IsKilled=TRUE;
Acez'@z }
'$i:
2mn, __finally
B-*+r`@Bd {
I fK,b*% if(hProcessToken!=NULL) CloseHandle(hProcessToken);
r8`ffH if(hProcess!=NULL) CloseHandle(hProcess);
(nQ^ }
>^u2cAi3[ return(IsKilled);
~[t[y~Hup }
bV^rsJm //////////////////////////////////////////////////////////////////////////////////////////////
E>6MeO 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:
KjD/o?JUr /*********************************************************************************************
.YtKS ModulesKill.c
D}-/c"':} Create:2001/4/28
Xr,1&"B&t Modify:2001/6/23
$o+j
El> Author:ey4s
S,88*F(<^q Http://www.ey4s.org )W^F2-{ PsKill ==>Local and Remote process killer for windows 2k
{i;r **************************************************************************/
u+9hL4 #include "ps.h"
k
R?qb6 #define EXE "killsrv.exe"
y6g&Y.:o #define ServiceName "PSKILL"
>xN
.F/[K M[NV)q/) #pragma comment(lib,"mpr.lib")
j
*
% //////////////////////////////////////////////////////////////////////////
'NWfBJm //定义全局变量
&h}#HS>l SERVICE_STATUS ssStatus;
iDpSj!x/_ SC_HANDLE hSCManager=NULL,hSCService=NULL;
`aOFs+<) BOOL bKilled=FALSE;
KYB`D.O char szTarget[52]=;
s
n8Qk=K //////////////////////////////////////////////////////////////////////////
lov!o:dJ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
&)QX7*H BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
Na<pwC BOOL WaitServiceStop();//等待服务停止函数
xB@ T|EP BOOL RemoveService();//删除服务函数
" s,1%Ltt /////////////////////////////////////////////////////////////////////////
GV1pn) 4 int main(DWORD dwArgc,LPTSTR *lpszArgv)
.#EFLXs {
0HZ{Y9] BOOL bRet=FALSE,bFile=FALSE;
6,pnw char tmp[52]=,RemoteFilePath[128]=,
FnwJ+GTu szUser[52]=,szPass[52]=;
b!+hH Hv: HANDLE hFile=NULL;
ncaT?~u j DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
atj(eg u^&^UxCA //杀本地进程
y5vvu>nd if(dwArgc==2)
R|'ybW'Y {
AzPu) if(KillPS(atoi(lpszArgv[1])))
QFA8N printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
rjK%t|aV^ else
hqD*z6aH printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
@JGP,445 lpszArgv[1],GetLastError());
49eD1h3'X[ return 0;
|44Ploz2b }
M$wC=b //用户输入错误
R7%#U`Q^A else if(dwArgc!=5)
+V2F#fI/ {
\UA[ printf("\nPSKILL ==>Local and Remote Process Killer"
(|2t#'m "\nPower by ey4s"
C2!|OQ9A2 "\nhttp://www.ey4s.org 2001/6/23"
t^&Cxh "\n\nUsage:%s <==Killed Local Process"
[:dY0r+ "\n %s <==Killed Remote Process\n",
pd?Mf=># lpszArgv[0],lpszArgv[0]);
G0Iw-vf return 1;
)Om*@;r( }
&s(^@OayE //杀远程机器进程
P1!qbFDv8 strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
)705V|v strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Zj(AJ* r strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
X;$+,&M" \$K20) //将在目标机器上创建的exe文件的路径
5%"V[lDx@ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
;[ZEDF5H __try
j;zM{qu_ {
/l3V3B7 //与目标建立IPC连接
7^avpf)> if(!ConnIPC(szTarget,szUser,szPass))
+L$Xv {
hDDn,uzpd printf("\nConnect to %s failed:%d",szTarget,GetLastError());
dRYqr}!%n return 1;
U4'#T%* }
$t+,Tav printf("\nConnect to %s success!",szTarget);
Dm981t>wL //在目标机器上创建exe文件
10Q ]67 !aUs>1i hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
i$Ul(? E,
cZ,b?I"Q% NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
wLIMv3;k if(hFile==INVALID_HANDLE_VALUE)
soxc0OlN {
yxPazz printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
2Ah#<k-gC; __leave;
{p2!|A&a }
l$KA)xbI //写文件内容
t9lPb_70 while(dwSize>dwIndex)
FaAC&F@u {
MpT8" /.]A Q0sI(V# if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
hgG9m[?K {
:
$1?i) printf("\nWrite file %s
"nynl'Ryk failed:%d",RemoteFilePath,GetLastError());
2k~l$p>CN! __leave;
sI=xl }
AYBns]! dwIndex+=dwWrite;
[jQp~&nY }
&u."A3( //关闭文件句柄
x8 2cT21b CloseHandle(hFile);
h'llK6_) bFile=TRUE;
9cbd~mM{ //安装服务
h,:m~0gmj if(InstallService(dwArgc,lpszArgv))
]h`&&B qt {
P\tB~SZ* //等待服务结束
>58YjLXb if(WaitServiceStop())
[>I<#_^~ {
l:~/<`o //printf("\nService was stoped!");
J3V=
46Yc }
uo9B9"& else
ELoDd&