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。
EVby 9! OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
+;{rU& <1>与远程系统建立IPC连接
~M|NzK_9 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
U<#$w{d: <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Ta!m%=8 <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
j58Dki->. <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
:K
a^ <6>服务启动后,killsrv.exe运行,杀掉进程
UeIqAG 8 <7>清场
lUy*549, 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
_oYA;O /***********************************************************************
w%!k?t,*] Module:Killsrv.c
[U_Q 2<H Date:2001/4/27
10a=YG Author:ey4s
q|de*~@-P Http://www.ey4s.org y'i:%n}I ***********************************************************************/
rVc
zO+E #include
S:"z<O #include
tOp:e KN #include "function.c"
I{Y
{ #define ServiceName "PSKILL"
`t/@ L: 3<Pyr-z h SERVICE_STATUS_HANDLE ssh;
>8.v.;` SERVICE_STATUS ss;
pfT`W T /////////////////////////////////////////////////////////////////////////
96([V|5K void ServiceStopped(void)
@8x6#|D {
Z n"TG/: ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
8/kx 3 ss.dwCurrentState=SERVICE_STOPPED;
UH.}B3H ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
8{U]ATx'( ss.dwWin32ExitCode=NO_ERROR;
0YTtA]|`4 ss.dwCheckPoint=0;
a v|6r# ss.dwWaitHint=0;
HnYFE@Nl:U SetServiceStatus(ssh,&ss);
dcc%G7w return;
C$Hl`>?$ }
+p%5/smfs /////////////////////////////////////////////////////////////////////////
iMY0xf8l void ServicePaused(void)
8 MACbLY {
bl!f5RO S( ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
k(vEp] ss.dwCurrentState=SERVICE_PAUSED;
%I2xK.8= ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
3Wtv+L7Br ss.dwWin32ExitCode=NO_ERROR;
^QL/m\zq@% ss.dwCheckPoint=0;
G\aLg ss.dwWaitHint=0;
W;)FNP|MT SetServiceStatus(ssh,&ss);
zi DlJ3]^ return;
u^4 "96aXJ }
"a%ASy>?g void ServiceRunning(void)
eL$U M {
+8@`lDnr ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
{ ves@p>? ss.dwCurrentState=SERVICE_RUNNING;
O|7{%5h ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
>[P7Zlwv4 ss.dwWin32ExitCode=NO_ERROR;
SpTORR8 ss.dwCheckPoint=0;
nluyEK ss.dwWaitHint=0;
4>wIF }\ SetServiceStatus(ssh,&ss);
^TCJh^4na return;
=QKgsgLh }
aSj1P/A /////////////////////////////////////////////////////////////////////////
D A)0Y_ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
-L4G WJ~.- {
A(@gv8e[H^ switch(Opcode)
LK-6z w5=( {
tP^mq> case SERVICE_CONTROL_STOP://停止Service
"6o}qeB l ServiceStopped();
>^\>-U| break;
LXfeXWw?, case SERVICE_CONTROL_INTERROGATE:
!7a^8
SetServiceStatus(ssh,&ss);
_>)"+z^r break;
ZT6X4 Z }
1S.e5{ return;
X.4ZLwX= }
`6/Yf@b //////////////////////////////////////////////////////////////////////////////
,m'#>d&zO //杀进程成功设置服务状态为SERVICE_STOPPED
zam0(^= //失败设置服务状态为SERVICE_PAUSED
:AcNb //
$$;2jX"I void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
'<W,-i {
4bJ2<j ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
{$TB#=G if(!ssh)
J]^gF| {
}br<2?y, ServicePaused();
88=FPEU return;
cyP*QW[ }
a.U:B
[v` ServiceRunning();
pz6-
hi7 Sleep(100);
|3lAye,t)a //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
HNUR6H&Fta //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
oYm{I ~" if(KillPS(atoi(lpszArgv[5])))
j%y+W{Q[ ServiceStopped();
IV#f}NrfD else
0]w[wc
< ServicePaused();
#YYvc`9 return;
]B' }
c1!/jTX$ /////////////////////////////////////////////////////////////////////////////
jG ;(89QR/ void main(DWORD dwArgc,LPTSTR *lpszArgv)
b0=AQ/: {
jL).B& SERVICE_TABLE_ENTRY ste[2];
T:~W.3
ste[0].lpServiceName=ServiceName;
(mD:[|. ste[0].lpServiceProc=ServiceMain;
tsC|R~wW ste[1].lpServiceName=NULL;
eKti+n. ste[1].lpServiceProc=NULL;
2DqHqq9m StartServiceCtrlDispatcher(ste);
SK}g(X7IWH return;
kQ'xs%Fw }
"/-v 9 /////////////////////////////////////////////////////////////////////////////
x]+KO)I 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
Y+yvv{01 下:
n.UM+2G /***********************************************************************
>#n-4NZ;p9 Module:function.c
ZO6bG$y64 Date:2001/4/28
G:ngio]G0 Author:ey4s
b%t9a\ 0V Http://www.ey4s.org aYCzb7 ***********************************************************************/
n
ZZQxV, #include
MCpK^7]k ////////////////////////////////////////////////////////////////////////////
@gGuV$Mw BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
{QkH%jj {
"8TMAF|i4 TOKEN_PRIVILEGES tp;
a2_IF,p*? LUID luid;
He;%6OG{ 'eY[?LJ]U if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
ddhTri'f {
\iSBLU printf("\nLookupPrivilegeValue error:%d", GetLastError() );
?G<IN) return FALSE;
v")
W@haU }
%9)J-B tp.PrivilegeCount = 1;
%D0Ws9:| tp.Privileges[0].Luid = luid;
'=Y~Ir+ if (bEnablePrivilege)
SFNd,(kB*z tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
DOU?e9I2 else
%--5bwZi tp.Privileges[0].Attributes = 0;
4\WkXwoqQO // Enable the privilege or disable all privileges.
-^Va]Lk AdjustTokenPrivileges(
<Py/uF| hToken,
vrx3O FALSE,
CnA)>4E*' &tp,
I
T2sS6&R sizeof(TOKEN_PRIVILEGES),
b>._ r&. (PTOKEN_PRIVILEGES) NULL,
+%$V?y
( (PDWORD) NULL);
3H%WB| // Call GetLastError to determine whether the function succeeded.
IH:Cm5MV if (GetLastError() != ERROR_SUCCESS)
${eh52)` {
bdhgHjz printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
. L%@/(r return FALSE;
T )]|o+G }
ToM*tXj return TRUE;
yvwcXNXR@ }
o[6"XJ ////////////////////////////////////////////////////////////////////////////
XYTcG;_z BOOL KillPS(DWORD id)
H hH'\-[t {
=B%e0M HANDLE hProcess=NULL,hProcessToken=NULL;
FEswNB(]* BOOL IsKilled=FALSE,bRet=FALSE;
y^BM*C I __try
ub&29Qte {
>G7U7R}R >maz t=, if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
gcF><i6 {
BEx^IQ2 printf("\nOpen Current Process Token failed:%d",GetLastError());
- & r{%7 __leave;
9DE)5/c`v }
@6`@.iZ //printf("\nOpen Current Process Token ok!");
Bn:sN_N if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
pz =Wq4l {
xWV7#Z7 __leave;
G<1mj!{Vp }
>(a_9l;q printf("\nSetPrivilege ok!");
9oz)E>K4f K#m o+n5-; if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
V#KM~3e {
SJ@_eir\o printf("\nOpen Process %d failed:%d",id,GetLastError());
p4_uY7^6 __leave;
`"4EE}eQc }
IDZn,^ //printf("\nOpen Process %d ok!",id);
(E[hl if(!TerminateProcess(hProcess,1))
&p/k VM {
>@iV!! printf("\nTerminateProcess failed:%d",GetLastError());
biK.HL\V __leave;
JpiKZG@L }
U++UG5 c IsKilled=TRUE;
8 EH3zm4 }
bc-}Qn __finally
/Vc!N)
{
D~>P/b)v{j if(hProcessToken!=NULL) CloseHandle(hProcessToken);
an~Kc!Oki if(hProcess!=NULL) CloseHandle(hProcess);
KguFU }
<{uIB;P return(IsKilled);
YdaJ& }
Vtri"G8 aB //////////////////////////////////////////////////////////////////////////////////////////////
(#k#0T kE OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
Pw{+7b$ /*********************************************************************************************
TUr}p aw_ ModulesKill.c
aH~"hB^e Create:2001/4/28
w+H=Xh4t Modify:2001/6/23
f;a6ux# Author:ey4s
?OFvGd Http://www.ey4s.org <'33!8
G PsKill ==>Local and Remote process killer for windows 2k
$<PVzW,$o **************************************************************************/
\ S R #include "ps.h"
>O=V1 #define EXE "killsrv.exe"
2[eY q1f! #define ServiceName "PSKILL"
:{2$X|f
3 x]T;W&s #pragma comment(lib,"mpr.lib")
*^ BE1- //////////////////////////////////////////////////////////////////////////
^\%%9jY //定义全局变量
^bGi_YC SERVICE_STATUS ssStatus;
/2 N%Z SC_HANDLE hSCManager=NULL,hSCService=NULL;
d-aF- BOOL bKilled=FALSE;
mH"`46 char szTarget[52]=;
Q<qIlNE //////////////////////////////////////////////////////////////////////////
H++rwVwj#h BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
lhU# /}Z BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
?hYe4tc-# BOOL WaitServiceStop();//等待服务停止函数
107SXYdhI BOOL RemoveService();//删除服务函数
ptcU_*Gd /////////////////////////////////////////////////////////////////////////
xB#E&}Ho int main(DWORD dwArgc,LPTSTR *lpszArgv)
cAS5&T< {
HS7!O BOOL bRet=FALSE,bFile=FALSE;
EC0auB7G char tmp[52]=,RemoteFilePath[128]=,
r{_'2Z_i szUser[52]=,szPass[52]=;
<[bDNe["? HANDLE hFile=NULL;
I\_ R&
v DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
XA68H!I YX(%jcj* //杀本地进程
~S9nLb:O{ if(dwArgc==2)
C
Qebb:y {
|%} ?*|- if(KillPS(atoi(lpszArgv[1])))
j&9~OXYv printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
NINiX( else
` {p5SYj printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
&k nnWm" lpszArgv[1],GetLastError());
bvG
Vfr " return 0;
>vhyKq|g< }
_%]H}N Q //用户输入错误
%M`&}'6' else if(dwArgc!=5)
~A)$= " {
Zl)|x%z printf("\nPSKILL ==>Local and Remote Process Killer"
1N&U{#4 "\nPower by ey4s"
U&NOf;h$ "\nhttp://www.ey4s.org 2001/6/23"
V*N9D>C "\n\nUsage:%s <==Killed Local Process"
FYJB.lAT "\n %s <==Killed Remote Process\n",
'"EOLr\Z, lpszArgv[0],lpszArgv[0]);
*HRRv.iQ return 1;
lMP7o& }
F-6*
BUqJ //杀远程机器进程
@N$r'@ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
$W2AiE[Wm strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
k)J7) L strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
k1<Py$9" 7)T+!> //将在目标机器上创建的exe文件的路径
b#M<b.R) sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
*QVE>{ __try
\r2w@F{C {
lc#H%Qlg //与目标建立IPC连接
DuWP)#kg if(!ConnIPC(szTarget,szUser,szPass))
M\%{!Wzo8 {
ocMf}" printf("\nConnect to %s failed:%d",szTarget,GetLastError());
,#A,+!4 return 1;
) E\pQ5& }
tv0xfAV printf("\nConnect to %s success!",szTarget);
g 0L 4 //在目标机器上创建exe文件
UpITx]y?"m [|YMnV<B hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
">o/\sXeH E,
B@4#y9`5 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
E_OLf%um if(hFile==INVALID_HANDLE_VALUE)
x[X.// : {
D7@10;F}[ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
u0,~pJvX __leave;
`'>>[*06:a }
La!PGZ{ //写文件内容
#df43_u while(dwSize>dwIndex)
\=@}(<4 {
QqDF_
Wi[Y@ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
ru&RL
HFV {
!"kvXxp^ printf("\nWrite file %s
-nW{$&5AF failed:%d",RemoteFilePath,GetLastError());
lbPxZ'YO# __leave;
TcC=_je460 }
xU&rUk/L dwIndex+=dwWrite;
@ZVc!5J_, }
%/s1ma6q //关闭文件句柄
Xk3Ufz]QN CloseHandle(hFile);
1Nz\3]- bFile=TRUE;
..!yf e"5 //安装服务
LV[4z o]= if(InstallService(dwArgc,lpszArgv))
]8^2(^3ct {
XEuv
aM //等待服务结束
2#R"#Q! if(WaitServiceStop())
>
+SEze {
sOJ~PRA //printf("\nService was stoped!");
[ /D/ }
Kq*^*vWC else
aH6pys!O {
Mf
*qr9* //printf("\nService can't be stoped.Try to delete it.");
wK3}K }
V*?,r<