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。
okv7@8U#p OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
M]'AA
Uo8 <1>与远程系统建立IPC连接
o i?ak <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
M~6I-HexT| <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
/<C=9?Ok <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
usA!MMH4 <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
L_~G`Rb3 <6>服务启动后,killsrv.exe运行,杀掉进程
"&%Hb's <7>清场
N7_Co;#(zK 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Xx^c?6YM /***********************************************************************
jDnh/k0{d Module:Killsrv.c
E=E<l?ob Date:2001/4/27
PEWzqZ|!; Author:ey4s
$Yka\tS' Http://www.ey4s.org 87Kx7CKF" ***********************************************************************/
m"DMa #include
:NLN xK #include
*O;N"jf
#include "function.c"
Nm~#$orI| #define ServiceName "PSKILL"
9Dl \S F[ e=_hfOUC SERVICE_STATUS_HANDLE ssh;
%9lxE[/ SERVICE_STATUS ss;
l0_V-|x /////////////////////////////////////////////////////////////////////////
q
mB@kbt void ServiceStopped(void)
:wZZ 1qa {
by<2hLB9Q ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
(tgaH,G ss.dwCurrentState=SERVICE_STOPPED;
hqBRh+[ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
8n)Q^z+
K ss.dwWin32ExitCode=NO_ERROR;
Ua]zTMI ss.dwCheckPoint=0;
sF$m?/Kt ss.dwWaitHint=0;
D4\I;M^ SetServiceStatus(ssh,&ss);
]Oy<zU return;
-O5m@rwt< }
-%.V0=G(Z /////////////////////////////////////////////////////////////////////////
eBB
D9SI void ServicePaused(void)
mm 8O {
{ SfU! ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
`g=~u{0 ss.dwCurrentState=SERVICE_PAUSED;
*pMA
V[^ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
#5D+XB T ss.dwWin32ExitCode=NO_ERROR;
DkIFvsLK ss.dwCheckPoint=0;
9E^piLA ss.dwWaitHint=0;
Ba6xkEd SetServiceStatus(ssh,&ss);
UU/|s>F return;
4pqZ!@45| }
,3j7Y5v void ServiceRunning(void)
BP6Shc|C {
wOOPWwk ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
|>4 { 4 ss.dwCurrentState=SERVICE_RUNNING;
\K6J{;# L ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
gm DC,"Y< ss.dwWin32ExitCode=NO_ERROR;
wu')Q/v ss.dwCheckPoint=0;
3fPv71NVtt ss.dwWaitHint=0;
v,0D GR~ SetServiceStatus(ssh,&ss);
pB./L&h return;
i`qh|w/b_ }
=S,<yQJ /////////////////////////////////////////////////////////////////////////
9o`3g@6z void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
7 SZR#L {
:+Kesa:E switch(Opcode)
5*$Zfuf {
2e"}5b5 case SERVICE_CONTROL_STOP://停止Service
9x!y.gx ServiceStopped();
_SqrQ break;
9[D7N case SERVICE_CONTROL_INTERROGATE:
BE~[%6T7 SetServiceStatus(ssh,&ss);
`vw.~OBl break;
;[9Is\ }
M6iKl return;
OT i3T1& }
BP$#a
# //////////////////////////////////////////////////////////////////////////////
"+&<Q d2 //杀进程成功设置服务状态为SERVICE_STOPPED
4(82dmKO //失败设置服务状态为SERVICE_PAUSED
ny= {V*m //
R
28* void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Mk[`HEO {
S<~nk-xr*h ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
/ 5Loj&!= if(!ssh)
CvJEY {
$ *A3p ServicePaused();
Z.pw!mu" return;
Z&,}Fgl!F }
3;:V1_JA ServiceRunning();
lQ"i]};<D Sleep(100);
L:-lqag! //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
s`RJl V //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
s 'xmv{| if(KillPS(atoi(lpszArgv[5])))
A]$+
`uS\ ServiceStopped();
Ziimz}WHF else
".f:R9- ServicePaused();
N/BU%c
ph+ return;
gN~y6c:N }
99K+7G\{ /////////////////////////////////////////////////////////////////////////////
N &=2 / void main(DWORD dwArgc,LPTSTR *lpszArgv)
S!_?# ^t {
]?{lQ0vw'w SERVICE_TABLE_ENTRY ste[2];
7`HUwu ste[0].lpServiceName=ServiceName;
/&7Yi_]r ste[0].lpServiceProc=ServiceMain;
fx:KH:q3 ste[1].lpServiceName=NULL;
(N4(r<o; ste[1].lpServiceProc=NULL;
'OCo1|iK~ StartServiceCtrlDispatcher(ste);
%<yM=1~> return;
M7,MxwZ0k }
>N-% /////////////////////////////////////////////////////////////////////////////
4sjr\9IDC function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
+;;%Atgn 下:
}8 _9V|E /***********************************************************************
8[;oUVb5 Module:function.c
(B<AK4G Date:2001/4/28
KTt$Pt/. Author:ey4s
79H+~1Az Http://www.ey4s.org (14kR ***********************************************************************/
B}+9U #include
&Q>'U6"% ////////////////////////////////////////////////////////////////////////////
nD\os[ 3 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
T0%TeFY {
J|S^K kC TOKEN_PRIVILEGES tp;
2j1v.% LUID luid;
3ohcHQ/a r:4IKuTR if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
E2'e}RQ {
ZGhoV#T@ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
J5_Y\@ return FALSE;
WG} CPkj }
.+}o'rU tp.PrivilegeCount = 1;
[nIG_j>D-f tp.Privileges[0].Luid = luid;
389.&`Q%Ut if (bEnablePrivilege)
kTWg31]~ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
9t.yP;j\Y else
5KE%@,k k tp.Privileges[0].Attributes = 0;
M l?)Sc"\7 // Enable the privilege or disable all privileges.
PRC)GP&q AdjustTokenPrivileges(
es+_]:7B9 hToken,
B@inH]wq FALSE,
K/v-P <g &tp,
1Z8Oh_DC sizeof(TOKEN_PRIVILEGES),
O'|P| (PTOKEN_PRIVILEGES) NULL,
2Q|*xd4B^ (PDWORD) NULL);
UMQW#$~C{g // Call GetLastError to determine whether the function succeeded.
o~_>p/7; if (GetLastError() != ERROR_SUCCESS)
5'Jh2r {
zN/~a) printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
cjC6\.+l3 return FALSE;
oV>AFs6 }
"UGj4^1f return TRUE;
=^y{@[p`( }
3H#/u! W ////////////////////////////////////////////////////////////////////////////
#r)1<}_e# BOOL KillPS(DWORD id)
p]z54 ~ {
h?3l HANDLE hProcess=NULL,hProcessToken=NULL;
Ny,A#-? BOOL IsKilled=FALSE,bRet=FALSE;
MI'l4<>u __try
m_02"' {
tO>OD# 2$zq ( if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
a&
aPBv1 {
afiK!0col2 printf("\nOpen Current Process Token failed:%d",GetLastError());
vLFaZ^( __leave;
vq:OH
H }
i2a"J&,6O //printf("\nOpen Current Process Token ok!");
J&ECm+2 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
[2 w<F[ {
]q[ __leave;
pUMB)(<k }
w+q;dc8 printf("\nSetPrivilege ok!");
9'#.>Q>0=j e$+f~~K if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
NwlRPyt {
*R\/#Y| printf("\nOpen Process %d failed:%d",id,GetLastError());
xT?} wF __leave;
<C"N X }
,x"yZ //printf("\nOpen Process %d ok!",id);
QC5f:BwM if(!TerminateProcess(hProcess,1))
->2wrOH|H {
%^?3s5PXD printf("\nTerminateProcess failed:%d",GetLastError());
vs])%l%t __leave;
<Z:8~:@ }
dFP-(dX# IsKilled=TRUE;
|k
.M+ }
@W\4UX3dK __finally
D7WI(j\ {
]RXtC* if(hProcessToken!=NULL) CloseHandle(hProcessToken);
,C,e/>+My if(hProcess!=NULL) CloseHandle(hProcess);
2C33;?M }
M|5]#2J_2 return(IsKilled);
^Ii \vk }
5 (21gW9 //////////////////////////////////////////////////////////////////////////////////////////////
4 ^~zN"6] OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
-8Jl4F , /*********************************************************************************************
*- IlF] ModulesKill.c
#"p1Qea$ Create:2001/4/28
+.(}u ,:8 Modify:2001/6/23
2u*h*/ Author:ey4s
B?lBO
V4v4 Http://www.ey4s.org g3~~"`2 PsKill ==>Local and Remote process killer for windows 2k
:O'C:n<g **************************************************************************/
Uq]EJu #include "ps.h"
Fwx~ ~"I #define EXE "killsrv.exe"
MHnf\|DX #define ServiceName "PSKILL"
q"LJwV}W y }&4HrT& #pragma comment(lib,"mpr.lib")
<% 7P //////////////////////////////////////////////////////////////////////////
}y-;>i#m=g //定义全局变量
^0x.'G? SERVICE_STATUS ssStatus;
bg1"v a#2 SC_HANDLE hSCManager=NULL,hSCService=NULL;
1;Wkt9]9 BOOL bKilled=FALSE;
()nKug`.@ char szTarget[52]=;
N?=qEX|R //////////////////////////////////////////////////////////////////////////
?dKa;0\ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
7Z`Mt9:Ht BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
N[bRp BOOL WaitServiceStop();//等待服务停止函数
eC^0I78x BOOL RemoveService();//删除服务函数
v(Bp1~PPZM /////////////////////////////////////////////////////////////////////////
6}i&6@Snq? int main(DWORD dwArgc,LPTSTR *lpszArgv)
3r-Vx P 5n {
[}p BOOL bRet=FALSE,bFile=FALSE;
PJK]t7vp char tmp[52]=,RemoteFilePath[128]=,
fY%M=,t3c szUser[52]=,szPass[52]=;
jW1YTQ HANDLE hFile=NULL;
wj#J>C2] DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
]D?# \| Z(LxB$^l[ //杀本地进程
8yE%X!E if(dwArgc==2)
h8#5vO2 {
dE5 5 if(KillPS(atoi(lpszArgv[1])))
yxG:\y
b printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
8_<&f%/ else
esh$*)1 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
u 5Eo lpszArgv[1],GetLastError());
^x_ >r6 return 0;
;zZ ,3pl-E }
ovQS
ET18b //用户输入错误
z)&naw. else if(dwArgc!=5)
4/HY[FT {
D%;wVnUw printf("\nPSKILL ==>Local and Remote Process Killer"
%
UW=: "\nPower by ey4s"
A#Q0{z@H "\nhttp://www.ey4s.org 2001/6/23"
ZTh?^}/ "\n\nUsage:%s <==Killed Local Process"
1Nl&4 YLO "\n %s <==Killed Remote Process\n",
Q/QQ:t<XUi lpszArgv[0],lpszArgv[0]);
q ab)
1ft return 1;
VBbUl|X\ }
u>,lf\Fgz //杀远程机器进程
to!mz\F strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
e0v9uQ%F5 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
dysX strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
nW$A^ Z]x5! //将在目标机器上创建的exe文件的路径
:kME sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
FE8+E\ U? __try
){O1&|z- {
qE#&) //与目标建立IPC连接
qPXANx<^ if(!ConnIPC(szTarget,szUser,szPass))
zdLVxL>87 {
Jw:Fj{D printf("\nConnect to %s failed:%d",szTarget,GetLastError());
ub`z7gL return 1;
/'&.aGW4% }
*Nvy+V printf("\nConnect to %s success!",szTarget);
k_*XJ <S!Y //在目标机器上创建exe文件
VO.-. Ynv9&P hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
2!{_/@I\Y E,
'GV&] NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
>vD['XN, if(hFile==INVALID_HANDLE_VALUE)
mD D4_E2* {
_l#3]# printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
ERp:EZ' __leave;
%r M-"6Q }
A+0T"2 //写文件内容
)3]83:lD2 while(dwSize>dwIndex)
!sg%6H?} {
HCX!P4Hj zQL!(2 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
UfK4eZx*` {
&Q'\WA' printf("\nWrite file %s
nmD1C_& failed:%d",RemoteFilePath,GetLastError());
7XUhJN3n __leave;
VFilF<