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。
G/y@`A) OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
=~|:93]k <1>与远程系统建立IPC连接
C VyYV &U, <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
..Dr?#Cr <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
q3SYlL'a <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
x{|`q9V~ N <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
Ok/U"N- <6>服务启动后,killsrv.exe运行,杀掉进程
CcDi65s <7>清场
et-<ib<lY 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
r=S6yq} /***********************************************************************
_--kK+rU Module:Killsrv.c
&IZthJqV Date:2001/4/27
<
.\2Ec Author:ey4s
z]\CI: Http://www.ey4s.org S8S<>W ***********************************************************************/
,xhB #include
zfexaf! #include
AhNy+p{ #include "function.c"
M~o\K' #define ServiceName "PSKILL"
'K8emt$d+ i!tF{'*%# SERVICE_STATUS_HANDLE ssh;
$h)VKW^\ SERVICE_STATUS ss;
*
11|P /////////////////////////////////////////////////////////////////////////
2u=Nb0 void ServiceStopped(void)
P.j0 Xlof {
`3QAXDWE ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
(*X SrQ ss.dwCurrentState=SERVICE_STOPPED;
L)mb.U$`c| ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
#JLxM/5^1~ ss.dwWin32ExitCode=NO_ERROR;
A/xo'G ss.dwCheckPoint=0;
F:vHbs `y ss.dwWaitHint=0;
{&qB!axj SetServiceStatus(ssh,&ss);
l7p*::(9 return;
!(&N{NH9 }
'9w.~@7 /////////////////////////////////////////////////////////////////////////
ophQdJM void ServicePaused(void)
gPA),
NrN {
/8s+eHn&% ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
'7j!B1K- ss.dwCurrentState=SERVICE_PAUSED;
S,'y
L7s ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
=Y-ZI ss.dwWin32ExitCode=NO_ERROR;
N8-!}\, ss.dwCheckPoint=0;
(:TZ~"VY ss.dwWaitHint=0;
QnJ(C]cW SetServiceStatus(ssh,&ss);
'x{E#4A return;
*pZhwO!D }
kCuIEv@ void ServiceRunning(void)
LY? `+/ {
H:x{qS4Si ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
ivi,/~L ss.dwCurrentState=SERVICE_RUNNING;
X
/
{; ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
LYV\|a{Y ss.dwWin32ExitCode=NO_ERROR;
6Z,j^: B ss.dwCheckPoint=0;
ryKc7< ss.dwWaitHint=0;
a-9Y U SetServiceStatus(ssh,&ss);
>h> return;
*fIb|r }
*It`<F| /////////////////////////////////////////////////////////////////////////
R{X@@t9@ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
u*:;O\6l {
L6jD4ec8 switch(Opcode)
n$})}kj {
BPH-g\q case SERVICE_CONTROL_STOP://停止Service
]a
,H!0i ServiceStopped();
VuiK5?m break;
vnrP;T=^ case SERVICE_CONTROL_INTERROGATE:
P_:~!+W, SetServiceStatus(ssh,&ss);
gTby%6-\| break;
:I)WSXP9h }
jH4'jB return;
jJ B+UF= }
=MP?aH
[ //////////////////////////////////////////////////////////////////////////////
T*'?;u //杀进程成功设置服务状态为SERVICE_STOPPED
%~$P.Zh //失败设置服务状态为SERVICE_PAUSED
>3J?O96|f //
>w}5\4j void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
GmJ4AYEP {
$!Pm*s ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Z}E.s@w if(!ssh)
.dM|J'`g {
._$tNGI4 ServicePaused();
#K[UqJ+x return;
|;[%ZE" }
Go8?8* ServiceRunning();
IeZgF> Sleep(100);
FK2* O //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
%xH2jf //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
=HGC<# if(KillPS(atoi(lpszArgv[5])))
js~?y|e8k ServiceStopped();
;YYo^9Lh} else
)uJu.foE ServicePaused();
nJ]oApb/- return;
(
\ \BsK }
2^*a$OJ /////////////////////////////////////////////////////////////////////////////
&.ENcEic void main(DWORD dwArgc,LPTSTR *lpszArgv)
Km=dId7] {
.ZzxW SERVICE_TABLE_ENTRY ste[2];
[
BpZ{Ql ste[0].lpServiceName=ServiceName;
jEkO#xI ste[0].lpServiceProc=ServiceMain;
d8o<Q 9 ste[1].lpServiceName=NULL;
qMj'% 5/ ste[1].lpServiceProc=NULL;
Ew9\Y R} StartServiceCtrlDispatcher(ste);
<EHgPlQn return;
.>.B }
NukcBH /////////////////////////////////////////////////////////////////////////////
`wzb}"gLsM function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
x'c%w: 下:
Y<"BhE /***********************************************************************
;B,6v P# Module:function.c
n*Q~<`T Date:2001/4/28
J2ryYdo> Author:ey4s
ROv(O;.Ty Http://www.ey4s.org +li<y`aw0 ***********************************************************************/
vs`"BQYf #include
3b#eB ////////////////////////////////////////////////////////////////////////////
i 1{Lx) BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
=[7[F)I~O {
DF>LN%a~ TOKEN_PRIVILEGES tp;
A5A4*.C LUID luid;
+;ILj<!Z7 C1V@\mRi if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
_(R1En1 {
p#yq 'kY printf("\nLookupPrivilegeValue error:%d", GetLastError() );
^5:xSQ@: return FALSE;
I&jiH) }
zFn!>Tqe tp.PrivilegeCount = 1;
HoTg7/iK tp.Privileges[0].Luid = luid;
dkr[B'n if (bEnablePrivilege)
8H%-/2NW tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
WFYbmfmV else
AxsTB9/ tp.Privileges[0].Attributes = 0;
9;L5#/E // Enable the privilege or disable all privileges.
fs:%L AdjustTokenPrivileges(
- s} hToken,
,/XeG`vk FALSE,
jIzkI)WC| &tp,
A$H;2T5N sizeof(TOKEN_PRIVILEGES),
5\?\|* WT (PTOKEN_PRIVILEGES) NULL,
I 19 / (PDWORD) NULL);
WPN4mEow // Call GetLastError to determine whether the function succeeded.
z;#DX15Rj if (GetLastError() != ERROR_SUCCESS)
2!7)7wlj0 {
{`Jr$*; printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
IO*}N" return FALSE;
sb]{05: }
t,f)!D$ return TRUE;
'UW(0 PXw }
q$<M2 ////////////////////////////////////////////////////////////////////////////
]I+"";oQGB BOOL KillPS(DWORD id)
}u>F}mUa {
lVw77bZ HANDLE hProcess=NULL,hProcessToken=NULL;
>Z\{P8@k0 BOOL IsKilled=FALSE,bRet=FALSE;
doERBg`Jh __try
MHm=X8eg {
x$6`k d,c8ks( if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
G>>`j2:y {
Y%i=u:}fm printf("\nOpen Current Process Token failed:%d",GetLastError());
;`{PA
!> __leave;
2$fFl,v!z }
&J
<k m //printf("\nOpen Current Process Token ok!");
4dB6cg if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
"X.JD {
LhfI"fc __leave;
na5:)j4< }
(D?%(f printf("\nSetPrivilege ok!");
4F-r }Fj3 BeNH"Y:E if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Gl4(-e'b {
4GiHp7Y&A printf("\nOpen Process %d failed:%d",id,GetLastError());
sp2"c"_+ __leave;
@jKiE%OP }
{DI`HB[ //printf("\nOpen Process %d ok!",id);
5)T=^"IHXi if(!TerminateProcess(hProcess,1))
\L-K}U>J {
&V$qIvN$ printf("\nTerminateProcess failed:%d",GetLastError());
o/;kzi __leave;
o~_ wx }
BotGPk><c IsKilled=TRUE;
~=!d>f~U }
"M GX(SQ __finally
sW53g$`v {
H(JgqbFB* if(hProcessToken!=NULL) CloseHandle(hProcessToken);
+5zLQ>]z if(hProcess!=NULL) CloseHandle(hProcess);
d-W@/J }
(eG9b pqr return(IsKilled);
t7t?xk!2 }
~)ZMGx //////////////////////////////////////////////////////////////////////////////////////////////
'T
'&OA OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
iEA$`LhO\A /*********************************************************************************************
DR d|m<Z ModulesKill.c
5`!Bj0Uf Create:2001/4/28
^tw\F7 Modify:2001/6/23
o|tq&&! < Author:ey4s
qHGwD20 ~ Http://www.ey4s.org eplz5%< PsKill ==>Local and Remote process killer for windows 2k
'V*ixK8R0 **************************************************************************/
:|Ckr-k"1e #include "ps.h"
xD:t$~ #define EXE "killsrv.exe"
86bRfW' #define ServiceName "PSKILL"
)@IDmz> SRUg2)d #pragma comment(lib,"mpr.lib")
/8)-j}gZa //////////////////////////////////////////////////////////////////////////
4/z
K3%J //定义全局变量
FnoE\2}9 SERVICE_STATUS ssStatus;
0`LR!X SC_HANDLE hSCManager=NULL,hSCService=NULL;
(9"w{pnlLc BOOL bKilled=FALSE;
J'Z!`R| char szTarget[52]=;
MHuQGc"e+4 //////////////////////////////////////////////////////////////////////////
'aWrjfDy: BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
9*thqs3J#d BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
U)f;*{U BOOL WaitServiceStop();//等待服务停止函数
d(=*@epjR BOOL RemoveService();//删除服务函数
MRI`h. /////////////////////////////////////////////////////////////////////////
#><P28m int main(DWORD dwArgc,LPTSTR *lpszArgv)
]uikE2nn {
JQo"<<[ BOOL bRet=FALSE,bFile=FALSE;
k\ 2.\Lwb char tmp[52]=,RemoteFilePath[128]=,
;fdROI szUser[52]=,szPass[52]=;
G$eA(GE HANDLE hFile=NULL;
6>fQe8Y DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
IbC8DDTD d*Wg>8| //杀本地进程
EAdr}io if(dwArgc==2)
(oftq!X2 {
|8|_^` if(KillPS(atoi(lpszArgv[1])))
w%3R[Kdzk printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
~6<'cun@x else
:EkhF6B/ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
hk +@ngh% lpszArgv[1],GetLastError());
]c Or$O* return 0;
b3zxiq
x }
D~(f7~c% //用户输入错误
LU7ia[T else if(dwArgc!=5)
\8KAK3i' {
0xSWoz[i6~ printf("\nPSKILL ==>Local and Remote Process Killer"
rryC^Vma "\nPower by ey4s"
2!}:h5 "\nhttp://www.ey4s.org 2001/6/23"
/"f4aF[ "\n\nUsage:%s <==Killed Local Process"
qwERy{]Sp; "\n %s <==Killed Remote Process\n",
S4salpz lpszArgv[0],lpszArgv[0]);
'l&),]|$) return 1;
}[$qn| }
$4*wK@xu //杀远程机器进程
<r8sZrY strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
e
hgUp = strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Fm| h3.`V strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
l2&s4ERqSm VJ8"Q //将在目标机器上创建的exe文件的路径
9On0om> sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
_#SCjFz __try
M<%g )jn_ {
MnQ4,+ji- //与目标建立IPC连接
k|r+/gIV if(!ConnIPC(szTarget,szUser,szPass))
-;i vBR {
0bcbH9) 1q printf("\nConnect to %s failed:%d",szTarget,GetLastError());
<%SG
<|t return 1;
`veq/! }
7V="/0a printf("\nConnect to %s success!",szTarget);
4U;Zs3 //在目标机器上创建exe文件
b W/^2B ?k}"g$JFn hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
8Hf:yG, E,
Uyuvmt> NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
(oUh:w.]Gw if(hFile==INVALID_HANDLE_VALUE)
e2}5<
7 {
4GL-3e printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
FxkxV GZ" __leave;
6>hW.aq} }
JM&:dzyIP //写文件内容
CY4ntd4M while(dwSize>dwIndex)
%xJ6t5.- {
gdx2&~ GY~Q) Z if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
Wf}x"* {
W`d\A3v printf("\nWrite file %s
m?@0Pf}xa failed:%d",RemoteFilePath,GetLastError());
g.V{CJ*V __leave;
^wtr~D| }
pE~>k: dwIndex+=dwWrite;
(Cc!Iw'0M }
`1hM3N.nO //关闭文件句柄
nXg:lCI-uu CloseHandle(hFile);
@ uF$m/g bFile=TRUE;
z0v|%&IK