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。
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。
(UkP AE <1>与远程系统建立IPC连接
pqG>|#RG <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
x@#>l8k? <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
?2@^O=I <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
jWdviS9&g <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
;*%rFt9FK <6>服务启动后,killsrv.exe运行,杀掉进程
%\'=Y/yP <7>清场
@?B+|*cm 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
h,LSqjf" /***********************************************************************
5U84*RY Module:Killsrv.c
U9
iI2$ Date:2001/4/27
H,>
}t
S Author:ey4s
J*@ pM Http://www.ey4s.org J""Cgf ***********************************************************************/
lm`*x=x #include
54$^ldD #include
Y9.3`VX #include "function.c"
2Zu9?
L ,I #define ServiceName "PSKILL"
dL42)HP5 {"o9pIh{~ SERVICE_STATUS_HANDLE ssh;
%. 1/#{ SERVICE_STATUS ss;
v
:pT(0N /////////////////////////////////////////////////////////////////////////
1}VaBsEV void ServiceStopped(void)
\8CCa(H {
>}SEU-7&\ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
GcO2oq ss.dwCurrentState=SERVICE_STOPPED;
'54\!yQ<{ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
/-M:6 ss.dwWin32ExitCode=NO_ERROR;
Dk
`&tr ss.dwCheckPoint=0;
#`Su3~T=S ss.dwWaitHint=0;
eWH0zswG SetServiceStatus(ssh,&ss);
~WA@YjQ] return;
4Kj.o }
/^=1]+_! /////////////////////////////////////////////////////////////////////////
:Xw|v2z%3 void ServicePaused(void)
-2.7Z`*( {
+wi=IrRr ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
zTng]Mvx ss.dwCurrentState=SERVICE_PAUSED;
lZk
z\ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
CE"/&I ss.dwWin32ExitCode=NO_ERROR;
X,Ql6uO ss.dwCheckPoint=0;
D||0c"E ss.dwWaitHint=0;
@a8lF$< SetServiceStatus(ssh,&ss);
Tm"H9 return;
oidZWy }
bQ*yXJ^8 void ServiceRunning(void)
4\z@Evm {
IO)Y0J>x ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
*7Vb([x4; ss.dwCurrentState=SERVICE_RUNNING;
BA\aVhmx ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
t<rIg1 ss.dwWin32ExitCode=NO_ERROR;
F5?S8=i ss.dwCheckPoint=0;
YZ~MByu ss.dwWaitHint=0;
6A"$9sj6 SetServiceStatus(ssh,&ss);
w =GMQ8 return;
s^u Y }
"7cty\ /////////////////////////////////////////////////////////////////////////
B.N#9u-vW void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
D07M!U {
z:Am1B switch(Opcode)
~"+"6zg {
#*h\U]=VS case SERVICE_CONTROL_STOP://停止Service
Vb,VN?l ServiceStopped();
%a/3*vz/I% break;
SaPE 1^} case SERVICE_CONTROL_INTERROGATE:
SVU>q:ab SetServiceStatus(ssh,&ss);
6]7csOE break;
.SC*! , }
5FZw
(E return;
'jt7H{M }
uw mN!!TS //////////////////////////////////////////////////////////////////////////////
t}+/GSwT //杀进程成功设置服务状态为SERVICE_STOPPED
TpU\IQ //失败设置服务状态为SERVICE_PAUSED
rC8p!e.yL //
#-yCR void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Lx,=Up. {
|k.'w<6mb9 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
]p! { if(!ssh)
xXJ*xYn"} {
eiK_JPF A- ServicePaused();
*PF<J/Pr return;
^hLr9k }
_LJF:E5L ServiceRunning();
Sa g)}6+ Sleep(100);
--$* q"
//注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
.`Rt //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
z +MH co" if(KillPS(atoi(lpszArgv[5])))
lu.]R>w ServiceStopped();
+a5F:3$ else
O`Tz^Q/D ServicePaused();
8c5YX return;
]}3s/NJi }
\_Bj"K /////////////////////////////////////////////////////////////////////////////
P j void main(DWORD dwArgc,LPTSTR *lpszArgv)
C|ZPnm>f30 {
G)amng/ SERVICE_TABLE_ENTRY ste[2];
sS-dHa ste[0].lpServiceName=ServiceName;
9q"kM ste[0].lpServiceProc=ServiceMain;
4l 67B]o ste[1].lpServiceName=NULL;
x9YQd69 ste[1].lpServiceProc=NULL;
$toTMah
w StartServiceCtrlDispatcher(ste);
E+]}KX: return;
zud_BOq{f }
Im;%.J /////////////////////////////////////////////////////////////////////////////
;e?M;- function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
?[JP[
qS 下:
J*;RL` /***********************************************************************
nH#>_R
( Module:function.c
C hF~ Date:2001/4/28
Y-ao
yoNS Author:ey4s
5%jhVys23 Http://www.ey4s.org <YyE1| ***********************************************************************/
C:B 7%< #include
KlT:&1SB9 ////////////////////////////////////////////////////////////////////////////
`nF SJlr& BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
7ws<' d7/ {
a{`hAI${ TOKEN_PRIVILEGES tp;
!1l~UB_ LUID luid;
.\
Ijq! =UKxf if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
_[HZ[ 9c! {
.OdtM
Xy printf("\nLookupPrivilegeValue error:%d", GetLastError() );
yCxYFi return FALSE;
D0Q9A]bD; }
LdZVXp^ tp.PrivilegeCount = 1;
SA TX_ tp.Privileges[0].Luid = luid;
~P|;Y<?3 if (bEnablePrivilege)
?~o`mg tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
5m1J&TZ0 else
OHndZ$'fI tp.Privileges[0].Attributes = 0;
4\n
~
// Enable the privilege or disable all privileges.
>ai,6! AdjustTokenPrivileges(
*L^W[o hToken,
L$5,RUy FALSE,
x?L[*N_ml &tp,
FJ3S
sizeof(TOKEN_PRIVILEGES),
@1*^ttC (PTOKEN_PRIVILEGES) NULL,
3L&: (PDWORD) NULL);
3m>YR-n$ // Call GetLastError to determine whether the function succeeded.
7${<u 0((! if (GetLastError() != ERROR_SUCCESS)
#
55>? {
i(.e=
printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
||:>& return FALSE;
%0GwO%h}, }
\OW:- return TRUE;
I
Cc{ 2l }
gKh*q. ////////////////////////////////////////////////////////////////////////////
NsB]f{7>8+ BOOL KillPS(DWORD id)
19$A!kH\ {
/S]$Hu| HANDLE hProcess=NULL,hProcessToken=NULL;
Ro<779.Gn\ BOOL IsKilled=FALSE,bRet=FALSE;
\B#tB?rA
__try
&l+Qn'N {
0x<ASfka JK2{9#* if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
c,@Vz
7c {
]^ R':YE printf("\nOpen Current Process Token failed:%d",GetLastError());
uU^DYgs __leave;
y-hTTd"{ }
AqgY*"A7 //printf("\nOpen Current Process Token ok!");
>/n];fl>8 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
8"&!3_ {
|S!RQ-CF __leave;
f\2IKpF2 }
4kL6aSqT printf("\nSetPrivilege ok!");
'maX s, Gl{ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
ek&~A0k_o {
T1C_L?L printf("\nOpen Process %d failed:%d",id,GetLastError());
Zv@qdY<: __leave;
$9YQ aN% }
Pxl, " //printf("\nOpen Process %d ok!",id);
:'T+`( if(!TerminateProcess(hProcess,1))
QATRrIj{e {
Bc8&-eZ, printf("\nTerminateProcess failed:%d",GetLastError());
J.UNw8z __leave;
c4AJ`f.5 }
naR< IsKilled=TRUE;
9 :2Bt <q }
IP`lx __finally
OH/9<T? {
hNXZL>6 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
*J4!+GD if(hProcess!=NULL) CloseHandle(hProcess);
^os_j39N9 }
{dF@Vg_n return(IsKilled);
L -Q8iFW' }
#zP-,2!r //////////////////////////////////////////////////////////////////////////////////////////////
@V
' HX 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:
$+80V{J# /*********************************************************************************************
7{<v$g$ ModulesKill.c
0)|Z7c& Create:2001/4/28
,8384' Modify:2001/6/23
RL` jaS?V Author:ey4s
y7+@
v' Http://www.ey4s.org ! t!4CY PsKill ==>Local and Remote process killer for windows 2k
2/+~h(Cc **************************************************************************/
@@H/q #include "ps.h"
8-<F4^i_i #define EXE "killsrv.exe"
S})f`X9_} #define ServiceName "PSKILL"
'#c#.O .'`aX
7{\ #pragma comment(lib,"mpr.lib")
u.yR oZ8/! //////////////////////////////////////////////////////////////////////////
i`+w.zJOH8 //定义全局变量
qiet<F SERVICE_STATUS ssStatus;
2B4.o*Q\ SC_HANDLE hSCManager=NULL,hSCService=NULL;
k[8F: T- BOOL bKilled=FALSE;
{H/%2 char szTarget[52]=;
I7_8oq\3D //////////////////////////////////////////////////////////////////////////
qIJc\,' BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
G
y[5'J` BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
_|\X8o_ BOOL WaitServiceStop();//等待服务停止函数
$R'?OK(` BOOL RemoveService();//删除服务函数
-1dD~S$ /////////////////////////////////////////////////////////////////////////
>T;!Z 5L1 int main(DWORD dwArgc,LPTSTR *lpszArgv)
&KMI C {
Lyc6nP;F
BOOL bRet=FALSE,bFile=FALSE;
N)mZ!K44 char tmp[52]=,RemoteFilePath[128]=,
?pIELezfK szUser[52]=,szPass[52]=;
` +YtTK HANDLE hFile=NULL;
<Z.`X7]Uk DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
(K[e=0Rf |-ZML~2S=h //杀本地进程
n>)aw4 if(dwArgc==2)
hr]+4!/ {
WdOxwsq" if(KillPS(atoi(lpszArgv[1])))
(RI)<zaK
; printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
%ap]\o$^4 else
NlF*/Rs printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
[CEV&B lpszArgv[1],GetLastError());
"3VX9{'%@ return 0;
-n7@r }
s O#cJAfuu //用户输入错误
bqH
[-mu6 else if(dwArgc!=5)
d3z nb@7 {
<6;M\:Y*T printf("\nPSKILL ==>Local and Remote Process Killer"
pmP~1=3 "\nPower by ey4s"
~j[?3E4L} "\nhttp://www.ey4s.org 2001/6/23"
G$a@}9V "\n\nUsage:%s <==Killed Local Process"
Y*@7/2, "\n %s <==Killed Remote Process\n",
gE #|eiu lpszArgv[0],lpszArgv[0]);
(87wWhH return 1;
z#!<[**& }
CE
M4E //杀远程机器进程
W^09tx/I strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
07SW$INb strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
O`CZwXD strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
S$SCW<LuN /\Nc6Z/ L //将在目标机器上创建的exe文件的路径
Vl+UC1M}B> sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
P]m{\K __try
@N '_qu {
Z4G%Ve[ //与目标建立IPC连接
1^^{;R7N if(!ConnIPC(szTarget,szUser,szPass))
8\;, d {
p[&Jl printf("\nConnect to %s failed:%d",szTarget,GetLastError());
S8qg"YR return 1;
dlvU=^G#G }
r3x;lICx- printf("\nConnect to %s success!",szTarget);
]+`K\G ^X //在目标机器上创建exe文件
D)G oWt \\EX'L hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
9Avj\G E,
&wU"6E NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
(!@gm)#h if(hFile==INVALID_HANDLE_VALUE)
^}2!fRKAmo {
T7i>aM$+ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
"3jTU __leave;
Ngx2N<$<*g }
(@NILK //写文件内容
,>#\aO1n while(dwSize>dwIndex)
rbOJ;CK {
RUr ~u zU[o_[+7^ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
6v{&, q {
QN;5+p[N printf("\nWrite file %s
Mm,\e6#* failed:%d",RemoteFilePath,GetLastError());
3 US`6Y" __leave;
YCP D+ }
ta.Lq8/ dwIndex+=dwWrite;
KiG19R$ }
CV
HKP[- //关闭文件句柄
%wl:>9] CloseHandle(hFile);
dSjO12b bFile=TRUE;
7_3 6xpw //安装服务
gHh(QRA if(InstallService(dwArgc,lpszArgv))
"E7<S5cr {
>lmqPuf //等待服务结束
aVHID{Gf Z if(WaitServiceStop())
tWl')^ {
P_jav0j7g //printf("\nService was stoped!");
fph+05.% }
^+%bh/2_W else
gjD|f2*x {
Gfx!.[Y
//printf("\nService can't be stoped.Try to delete it.");
V* JqC }
#5y+gdN Sleep(500);
;\pINtl9< //删除服务
^W}|1.uZ RemoveService();
#/I+[|=[O }
yLqhj7 }
6VQQI9 __finally
#Qg)4[pMJ {
hc$m1lLn //删除留下的文件
B}NJs,'FJ if(bFile) DeleteFile(RemoteFilePath);
xxzUey //如果文件句柄没有关闭,关闭之~
f
} r
\ if(hFile!=NULL) CloseHandle(hFile);
":e6s co //Close Service handle
RJ3uu NK7 if(hSCService!=NULL) CloseServiceHandle(hSCService);
8|=
c3Z //Close the Service Control Manager handle
=KO]w9+\ if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
@fA|y //断开ipc连接
`B&