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。
6*@\Qsp615 OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
4{2)ZI# <1>与远程系统建立IPC连接
oS'M <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
bJ8~/d]+ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
DwTqj=l <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
@D.]PZf <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
1iOQ8hD <6>服务启动后,killsrv.exe运行,杀掉进程
Mp;yvatO <7>清场
.BLF7>
M1 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
fneg[K /***********************************************************************
:v/6k Module:Killsrv.c
\<ohe w Date:2001/4/27
(`0dO8 Author:ey4s
@d5G\1(% Http://www.ey4s.org z?~W]PWiZ ***********************************************************************/
i*16kdI. #include
6`LC(Nv%-n #include
C9oF*{ #include "function.c"
|JVeW[C #define ServiceName "PSKILL"
%,9iY&;U" *|c*/7]< SERVICE_STATUS_HANDLE ssh;
mPR(4Ol. SERVICE_STATUS ss;
t
>89(
k /////////////////////////////////////////////////////////////////////////
1c=Roiq void ServiceStopped(void)
xJ"CAg|B {
{.7ve<K ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Ln;jB&t ss.dwCurrentState=SERVICE_STOPPED;
g*9jPwdG ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
$"Oy } ss.dwWin32ExitCode=NO_ERROR;
;]<{<czc ss.dwCheckPoint=0;
B!jINOg ss.dwWaitHint=0;
[ e4)"A" SetServiceStatus(ssh,&ss);
!x9j~D'C` return;
9g"
1WZ! }
^'8T9N@U /////////////////////////////////////////////////////////////////////////
@Yua%n6]#D void ServicePaused(void)
HLMEB0zh^ {
c`UJI$Q/ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
1XZ|}Xz ss.dwCurrentState=SERVICE_PAUSED;
]Y[8|HJ8 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
v2<roG6.V ss.dwWin32ExitCode=NO_ERROR;
^
K8JE, ss.dwCheckPoint=0;
_`!@ ss.dwWaitHint=0;
Fj c+{;x SetServiceStatus(ssh,&ss);
\6B,\l]$t@ return;
e=t?mDh#E }
C~M~2@Iori void ServiceRunning(void)
AR\?bB~`c {
LX<c(i ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
g{8R+ ss.dwCurrentState=SERVICE_RUNNING;
XezO_V ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
`~( P ss.dwWin32ExitCode=NO_ERROR;
YBgHX [q ss.dwCheckPoint=0;
4+mawyM ss.dwWaitHint=0;
n3{m
"h3 SetServiceStatus(ssh,&ss);
fM]McZ9)D return;
ki6`d? }
~Z5?\a2Ld /////////////////////////////////////////////////////////////////////////
OT7F#:2` void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
z`uqK!v(K {
Hk-)fl#dr switch(Opcode)
hoASrj{s {
_t:cDXj case SERVICE_CONTROL_STOP://停止Service
o"^}2^)_SR ServiceStopped();
qQR>z break;
;%
*e}w0 case SERVICE_CONTROL_INTERROGATE:
8|[\Tp:; SetServiceStatus(ssh,&ss);
78tWzO break;
`4s5yNUi= }
<p(&8P return;
N$ZThZqqv }
5=Bj?xb$' //////////////////////////////////////////////////////////////////////////////
w
<]7:/ //杀进程成功设置服务状态为SERVICE_STOPPED
aDa}@-F&a //失败设置服务状态为SERVICE_PAUSED
X|L8s$> //
okX\z[X void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
x&R&\}@G m {
!D%*s,t\' ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
2]NP7Ee8Z if(!ssh)
!)tXN=(1a {
=ox#qg.5 ServicePaused();
xiU-}H'o return;
a<Pi J? }
9#%(%s2+ ServiceRunning();
~%^af"_ Sleep(100);
UQ>GAzh //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
<W,k$|w //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
w;Qo9=- if(KillPS(atoi(lpszArgv[5])))
qce# ServiceStopped();
q9qmz[ else
k=Ef)' ServicePaused();
eEJ8j_G return;
#RJy }
L&ws[8- /////////////////////////////////////////////////////////////////////////////
X.s?=6}g void main(DWORD dwArgc,LPTSTR *lpszArgv)
(?R {
"}K/ b SERVICE_TABLE_ENTRY ste[2];
;-=y}DK ste[0].lpServiceName=ServiceName;
}Iub{30mp ste[0].lpServiceProc=ServiceMain;
8BNsh[+ ste[1].lpServiceName=NULL;
^Gv<Xl ste[1].lpServiceProc=NULL;
sVkR7
^KsG StartServiceCtrlDispatcher(ste);
XrC{{K return;
{R8Q`2R }
Wnl8XHPn /////////////////////////////////////////////////////////////////////////////
!5`}s9hsF_ 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
h.
i&[RnX 下:
LH4-b- /***********************************************************************
oAWk<B(@ Module:function.c
N(&FATZUW Date:2001/4/28
Yx&cnDx Author:ey4s
J+\F)k>r Http://www.ey4s.org ,@='.Qs4g ***********************************************************************/
8<P $E! #include
2x e_Q70II ////////////////////////////////////////////////////////////////////////////
kVU|k-?2 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
OJ UM Y<5 {
=&"Vf!7YR7 TOKEN_PRIVILEGES tp;
D0i84I`Z% LUID luid;
bS/` G0! g8XGZW! if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
C4Z~9fzT {
T<54qe4`p printf("\nLookupPrivilegeValue error:%d", GetLastError() );
a\}|ikiE return FALSE;
e%bERds }
X3L9j( tp.PrivilegeCount = 1;
w#F+rh3 tp.Privileges[0].Luid = luid;
|@nvg>mu if (bEnablePrivilege)
e+y< a~N tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
4Bx1L+Cg else
Z(K [oUJx tp.Privileges[0].Attributes = 0;
NH'RU`U) // Enable the privilege or disable all privileges.
+7 F7Kh AdjustTokenPrivileges(
`4}!+fXQ hToken,
'VJMi5Y(- FALSE,
gn%#2:=pVu &tp,
(dMFYL>YP sizeof(TOKEN_PRIVILEGES),
-(cm (PTOKEN_PRIVILEGES) NULL,
#]lUJ
&M}e (PDWORD) NULL);
&K>]!yn // Call GetLastError to determine whether the function succeeded.
X""'}X|O if (GetLastError() != ERROR_SUCCESS)
oTI*mGR1Z {
TP{a*ke^5, printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
sxThz7#i) return FALSE;
iqy}|xAU }
+crAkb}i return TRUE;
`zzX2R Je }
K+v 250J$- ////////////////////////////////////////////////////////////////////////////
#0`"gR#+ BOOL KillPS(DWORD id)
ynOp7ZN$ {
1r~lh#_8 HANDLE hProcess=NULL,hProcessToken=NULL;
l7s=b4}c BOOL IsKilled=FALSE,bRet=FALSE;
k 5 "3* __try
izFu&syv) {
T@yH.4D ;g*X.d if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
(X>y)V {
@0
-B&w printf("\nOpen Current Process Token failed:%d",GetLastError());
-m|b2g}"3 __leave;
rG\m]C3 E }
CzvlZDo //printf("\nOpen Current Process Token ok!");
'R,d?ikY if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
ZC2C`S\xr {
6km
u'vw __leave;
i[\[xfk }
>^-[Mpa(* printf("\nSetPrivilege ok!");
,xTbt4J Y~vTFOI if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
U~H'c
p {
Ep?a>\ printf("\nOpen Process %d failed:%d",id,GetLastError());
"~V}MPt __leave;
B4|`Z'U#; }
Q|ik\ //printf("\nOpen Process %d ok!",id);
UkqLLzL if(!TerminateProcess(hProcess,1))
2#(7,o}Y5
{
B8_l+dXO printf("\nTerminateProcess failed:%d",GetLastError());
;~1r{kXxA" __leave;
WHN b.> }
.vW~(ZuD IsKilled=TRUE;
/yykOvUO }
'|d (<.[ __finally
`% ENGB| {
O"#`i{^?2 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
%<M<'jxSca if(hProcess!=NULL) CloseHandle(hProcess);
u^]yz&9V }
p +T&9 return(IsKilled);
D~?kvyJ }
%I.{umU //////////////////////////////////////////////////////////////////////////////////////////////
-:~`g*3# 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=_f={ /*********************************************************************************************
he+[ ModulesKill.c
9Np0<e3p Create:2001/4/28
|wLQ)y* Modify:2001/6/23
##s!-.T Author:ey4s
6sZRR{' Http://www.ey4s.org xc/|#TC8? PsKill ==>Local and Remote process killer for windows 2k
<GNOT"z **************************************************************************/
l?R_wu,Q #include "ps.h"
0l:5hD,)F #define EXE "killsrv.exe"
eXOFA d]>u #define ServiceName "PSKILL"
(C3d<a\: (Dl"s`UH~ #pragma comment(lib,"mpr.lib")
bv+e'$U3 //////////////////////////////////////////////////////////////////////////
*
QR7t:([ //定义全局变量
^LNc SERVICE_STATUS ssStatus;
>|'6J!Op SC_HANDLE hSCManager=NULL,hSCService=NULL;
#KK(Z\; BOOL bKilled=FALSE;
4`UT_LcI char szTarget[52]=;
YSwD#jO0 //////////////////////////////////////////////////////////////////////////
=#^dG''*" BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
0sUc6_>e BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
<Z__Q BOOL WaitServiceStop();//等待服务停止函数
rL
s6MY BOOL RemoveService();//删除服务函数
B_&PK7vA /////////////////////////////////////////////////////////////////////////
9<M$jx) int main(DWORD dwArgc,LPTSTR *lpszArgv)
uc<@
Fh( {
p!a%*LfND BOOL bRet=FALSE,bFile=FALSE;
xsTxc&0^ char tmp[52]=,RemoteFilePath[128]=,
GawO>7w8 szUser[52]=,szPass[52]=;
AO]lXa HANDLE hFile=NULL;
~Afs DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
3>(`Y 9@1W= sl //杀本地进程
~>C >LH>8 if(dwArgc==2)
kp6x6%{K\ {
M[{Cy[ta if(KillPS(atoi(lpszArgv[1])))
7_3O]e[8 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
"J.jmR; else
Tk!b`9 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
`o3d@Vc lpszArgv[1],GetLastError());
u#,]>; return 0;
4bBxZY }
9F+bWo_m //用户输入错误
>ahj|pm else if(dwArgc!=5)
j41:]6 {
z
K(5&u printf("\nPSKILL ==>Local and Remote Process Killer"
"EHc&,B` "\nPower by ey4s"
;MMFF { "\nhttp://www.ey4s.org 2001/6/23"
</=PN1=A "\n\nUsage:%s <==Killed Local Process"
c[y8"M5 "\n %s <==Killed Remote Process\n",
1v4kN
- lpszArgv[0],lpszArgv[0]);
wtUG2 ( return 1;
OL'=a|g|c }
L%0lX$2&\ //杀远程机器进程
OKqpc;y:D strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
0?7uqS#L strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Vj]kJ,j\y strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
sZH7EK ~"mZ0E //将在目标机器上创建的exe文件的路径
I I8nz[s sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
9y4rw]4zI __try
(=/F=,w
{
(FaT{W{ //与目标建立IPC连接
H_j<%VW if(!ConnIPC(szTarget,szUser,szPass))
_+N^yw ,r* {
+B m+Pj> printf("\nConnect to %s failed:%d",szTarget,GetLastError());
<e^/hR4O return 1;
DPwSg\*) }
#'8PFw\zw printf("\nConnect to %s success!",szTarget);
SIlg //在目标机器上创建exe文件
BQU5[8l "(NHA+s/ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
@5y(>>C}8% E,
l0&8vhw8k NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
8joQPHkI\ if(hFile==INVALID_HANDLE_VALUE)
)ziQ=k6d6 {
nB5[]x' printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
!{Y#<tG] __leave;
4BT`|(7 }
F^YIZ,=p! //写文件内容
%5G BMMn while(dwSize>dwIndex)
m%[t&^b}T {
FJLJ;]`7+ kpH;D=; if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
MuobMD}jqe {
R`Lm"5w printf("\nWrite file %s
p*0Ve21i, failed:%d",RemoteFilePath,GetLastError());
#CPP dU$ __leave;
;}~=W!yz }
$5b|@ dwIndex+=dwWrite;
#%9]Lq }
Uot-@|l //关闭文件句柄
.=yus[,~ CloseHandle(hFile);
8zC k9& bFile=TRUE;
m GhJn //安装服务
}$U[5wL,_ if(InstallService(dwArgc,lpszArgv))
'j_H{kQy {
6^|6V //等待服务结束
:\U3bkv+ if(WaitServiceStop())
a<wZv-\Vau {
D5pF:~tQ(j //printf("\nService was stoped!");
`t1$Ew< }
NVeRn else
bUN,P" {
@q/1m~t //printf("\nService can't be stoped.Try to delete it.");
pK9^WT@ }
2 ?T:RB} Sleep(500);
X u):.0I //删除服务
+Rgw+o RemoveService();
$NT9LtT@K }
i)L:VkN }
pRvs;klf __finally
;8iL,^.A {
~n^G<iXLp //删除留下的文件
0f%:OU5Y if(bFile) DeleteFile(RemoteFilePath);
;_/q>DR>,3 //如果文件句柄没有关闭,关闭之~
Sx)Il~ x if(hFile!=NULL) CloseHandle(hFile);
{z /^X<T //Close Service handle
9.zQ<