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。
K9f7,/ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Nyo,6 AA <1>与远程系统建立IPC连接
1dX)l <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
kR|(hA,$N <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
z}*74lhF <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
;/<J. <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
v0S7 ]?_ <6>服务启动后,killsrv.exe运行,杀掉进程
ShRkL< <7>清场
];G$~[ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
pM7xnL4 /***********************************************************************
jRzQ`*KC# Module:Killsrv.c
E|
=~rIKN Date:2001/4/27
U2VnACCUZs Author:ey4s
^LJ?GJ$g Http://www.ey4s.org J0"<}" ***********************************************************************/
?$FvE4!n #include
B|n<{g[-cM #include
/-jk_8@a #include "function.c"
@^93q #define ServiceName "PSKILL"
@Xe[5T R^F\2yth- SERVICE_STATUS_HANDLE ssh;
WL5!H.q SERVICE_STATUS ss;
D^W?~7e^r /////////////////////////////////////////////////////////////////////////
I@9k+JB void ServiceStopped(void)
OM
5h>\9 {
_"#ucM=B:- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
B#;yko ss.dwCurrentState=SERVICE_STOPPED;
_fQBXG2 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
; 'J{ylRQ ss.dwWin32ExitCode=NO_ERROR;
9oA.!4q ss.dwCheckPoint=0;
XDi[Iyj ss.dwWaitHint=0;
ZICcZG_y SetServiceStatus(ssh,&ss);
$N1UEvC%Q return;
f;
1C) }
kKg%[zXS /////////////////////////////////////////////////////////////////////////
g>*t"Rf: void ServicePaused(void)
y*Wl(w3 {
E-q*u(IW ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
z!6:Dt6^ ss.dwCurrentState=SERVICE_PAUSED;
p6'wg#15 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
*S@0o6v ss.dwWin32ExitCode=NO_ERROR;
d^.fB+)A3 ss.dwCheckPoint=0;
(l3P<[[? ss.dwWaitHint=0;
sS|N.2* SetServiceStatus(ssh,&ss);
\aG:l.IM0 return;
4l*4wx""v }
W8
m*co void ServiceRunning(void)
L'Fy\K\ {
A_WtmG_9 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
&u/T,jy` ss.dwCurrentState=SERVICE_RUNNING;
zWh[U'6 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
]o]*&[C ss.dwWin32ExitCode=NO_ERROR;
cCH2=v4hU ss.dwCheckPoint=0;
pZ4]oK\* ss.dwWaitHint=0;
P$= Y 5 SetServiceStatus(ssh,&ss);
yy6?16@ return;
"cUCB }
uR7\uvibUO /////////////////////////////////////////////////////////////////////////
:9`T.V<? void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
*!*J5/b {
cSSrMYX2 switch(Opcode)
Z{ A) {
*OQr:e<} case SERVICE_CONTROL_STOP://停止Service
G:2m)0bW ServiceStopped();
;9hi2_luV break;
P]G`Y>#$r case SERVICE_CONTROL_INTERROGATE:
z@0*QZ.y1 SetServiceStatus(ssh,&ss);
{~"6/L break;
+L86w7 }
058+_xX return;
Gq/f|43}@O }
O0gLu1*1v //////////////////////////////////////////////////////////////////////////////
iZ3%'~K<3J //杀进程成功设置服务状态为SERVICE_STOPPED
Q7 Clr{& //失败设置服务状态为SERVICE_PAUSED
C +%&!Q //
zU'\r~c void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
&&;ol}W {
.hxcx>% ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
|E)Es!dr if(!ssh)
'MHbXFM {
''f07R ServicePaused();
dik+BBu5z return;
N@>,gm@UU }
+)Pv6Zog[ ServiceRunning();
^vjN$JB
Sleep(100);
VBIY[2zf //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
e:Zc- //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
0pS|t/h0 if(KillPS(atoi(lpszArgv[5])))
]r{-K63P{! ServiceStopped();
<z*SO
a else
DVNGV ServicePaused();
#Pulbk8 return;
@]#0jiS }
vRLkz4z /////////////////////////////////////////////////////////////////////////////
i~dW)7 void main(DWORD dwArgc,LPTSTR *lpszArgv)
''Y}Q" {
?5#Ng,8iT SERVICE_TABLE_ENTRY ste[2];
64^dy V,; ste[0].lpServiceName=ServiceName;
;u'mSJI' ste[0].lpServiceProc=ServiceMain;
tZ]|3wp ste[1].lpServiceName=NULL;
*JX)q ste[1].lpServiceProc=NULL;
lMX 2O2 o StartServiceCtrlDispatcher(ste);
7)IBIlV return;
V6,D~7 }
tj ,*-).4% /////////////////////////////////////////////////////////////////////////////
Eg"DiI)7 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
aPq9^S* 下:
ai(<"|( /***********************************************************************
U/2g N
H Module:function.c
]Ph~-O Date:2001/4/28
x7X"'1U Author:ey4s
0(|BQ'4~H Http://www.ey4s.org .(,4a<I?%N ***********************************************************************/
R<gC,eV<= #include
0}YR= ////////////////////////////////////////////////////////////////////////////
Rla4XN=mf BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
dUtxG ~9 {
YWSo:)LY TOKEN_PRIVILEGES tp;
pCz;km LUID luid;
"msCiqF{z x=yU
}lsV if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
x-0IxWD% {
<_02)6j printf("\nLookupPrivilegeValue error:%d", GetLastError() );
J<Wz3}w6 return FALSE;
aXyu%<@k }
EOrWax@k$} tp.PrivilegeCount = 1;
~y}M
GUEC tp.Privileges[0].Luid = luid;
z[DUktZl if (bEnablePrivilege)
:z^ps0 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
5#.uA_Fov else
2,O-/A;tW* tp.Privileges[0].Attributes = 0;
Wiqy".YY // Enable the privilege or disable all privileges.
dhN[\Z% AdjustTokenPrivileges(
Ru
Q\H0pr hToken,
p;:tzH\l FALSE,
2*Uwp;0 &tp,
O`O{n_o^u sizeof(TOKEN_PRIVILEGES),
aC>r5b#: (PTOKEN_PRIVILEGES) NULL,
TR rO- (PDWORD) NULL);
.9Bimhc6K // Call GetLastError to determine whether the function succeeded.
e0HG"z4 if (GetLastError() != ERROR_SUCCESS)
PKR0y%Ar {
"_ b
Sy printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
PNXZ 3:W return FALSE;
J.:"yK"" }
>\K<q>* return TRUE;
/d5_-AB(v }
a\\B88iRRZ ////////////////////////////////////////////////////////////////////////////
4@|K^nT` BOOL KillPS(DWORD id)
-vI?b# {
.b]g#Du= HANDLE hProcess=NULL,hProcessToken=NULL;
Tk9*@kqv BOOL IsKilled=FALSE,bRet=FALSE;
Phl't~k __try
j-ugsV`2=* {
tnbaU%;|J S(5.y%"< if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
[kzcsJ'/e {
Qp<?[C}'W printf("\nOpen Current Process Token failed:%d",GetLastError());
n<Z;Xh~F __leave;
sMli! u }
A6}M F //printf("\nOpen Current Process Token ok!");
]Ole#Lz}Q if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
E=w $r {
.G1NY1\ __leave;
|hehROUn }
(o{-1Dg) printf("\nSetPrivilege ok!");
<\?ySto Kwfrh? if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Z?[;Japg {
bOux8OHt* printf("\nOpen Process %d failed:%d",id,GetLastError());
%|Gi'-'|b$ __leave;
3j0/&ON }
b]~X
U //printf("\nOpen Process %d ok!",id);
u.0Z)j}N if(!TerminateProcess(hProcess,1))
('W#r" {
|]DZc/ printf("\nTerminateProcess failed:%d",GetLastError());
P
/wc9Yt __leave;
IoJkM-^H&) }
b^ly IsKilled=TRUE;
B8Jev\_ }
z]Z>+| __finally
29u"\f a {
88d0`6K-9 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
k$}XZ,Q if(hProcess!=NULL) CloseHandle(hProcess);
tHXt*tzq }
5h+g^{BE return(IsKilled);
-n!.PsGO> }
A2uSH@4 //////////////////////////////////////////////////////////////////////////////////////////////
sL~TV([6/ OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
i5|A\Wv" /*********************************************************************************************
X~5TA)h;~ ModulesKill.c
i+Px &9o<9 Create:2001/4/28
=nA;,9% Modify:2001/6/23
DM! vB+j+, Author:ey4s
rYeFYPS Http://www.ey4s.org <y6M@(b PsKill ==>Local and Remote process killer for windows 2k
?nB).fc **************************************************************************/
,L\OhT #include "ps.h"
:De}5BMy #define EXE "killsrv.exe"
rgB`<[:b #define ServiceName "PSKILL"
_,NL;66=[ f<uLbJ6 #pragma comment(lib,"mpr.lib")
<QugV3e //////////////////////////////////////////////////////////////////////////
mDvZ1aj //定义全局变量
}a"T7y23 SERVICE_STATUS ssStatus;
a>.2Q<1 SC_HANDLE hSCManager=NULL,hSCService=NULL;
\UGs_5OT BOOL bKilled=FALSE;
n+rAbn5o$ char szTarget[52]=;
45edyQ //////////////////////////////////////////////////////////////////////////
1*[h$Z&H? BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
bh6Mh<+ BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
Exc`>Y q
BOOL WaitServiceStop();//等待服务停止函数
I^[R]Js BOOL RemoveService();//删除服务函数
\QBODJ1 /////////////////////////////////////////////////////////////////////////
_wCp.[3?t int main(DWORD dwArgc,LPTSTR *lpszArgv)
ZJ 8~f {
MH?|>6 BOOL bRet=FALSE,bFile=FALSE;
O=MO M char tmp[52]=,RemoteFilePath[128]=,
be$wGO=Ts szUser[52]=,szPass[52]=;
E3_e~yu& HANDLE hFile=NULL;
6*S|$lo9B DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
^uMy|d 9vmH$ //杀本地进程
uz&CUvos if(dwArgc==2)
R6h(mPYA {
I/Hwf if(KillPS(atoi(lpszArgv[1])))
O!hg@[\B+ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
p` B48TW else
^%)'wDK printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
)T(xQ2&r4 lpszArgv[1],GetLastError());
dum! AO return 0;
m%+W{N4Wb }
0 4x[@f` //用户输入错误
C^aP)&
qt else if(dwArgc!=5)
QSW03/_f {
gPT-zul printf("\nPSKILL ==>Local and Remote Process Killer"
245(ajxHC "\nPower by ey4s"
bkceR>h% "\nhttp://www.ey4s.org 2001/6/23"
{K09U^JU "\n\nUsage:%s <==Killed Local Process"
bguhx3s "\n %s <==Killed Remote Process\n",
PnFU{N lpszArgv[0],lpszArgv[0]);
xA`Q4"[I return 1;
(NFq/w% }
q<@f3[A //杀远程机器进程
/wljbb/s strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
?>1AT==wI strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
go|/I& strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
&[3 xpi{v Fs|fo-+H}k //将在目标机器上创建的exe文件的路径
ES;7_ .q sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
"e69aAA, __try
q+19EJ( {
[~W"$sT //与目标建立IPC连接
#@;RJJZg if(!ConnIPC(szTarget,szUser,szPass))
mK%!9F
V {
V);{o>%.K printf("\nConnect to %s failed:%d",szTarget,GetLastError());
>e/; return 1;
'D1
T"} }
N~;=*)_VH printf("\nConnect to %s success!",szTarget);
ua0`&,a3I //在目标机器上创建exe文件
WQ\' z?P dFjB &#Tl hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Gk;==~ E,
2ELw}9 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
2_x}wB0P if(hFile==INVALID_HANDLE_VALUE)
_ ;O$ot\5 {
/j0<x^m/ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
7Wmk"gp __leave;
z[M LMf[c }
.6z#o{n //写文件内容
U-QK
while(dwSize>dwIndex)
%ErLL@e {
L
Bb&av Cl7IP<. if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
1tDd4r?Y {
m>x.4aO1 printf("\nWrite file %s
\;&j;"c,W failed:%d",RemoteFilePath,GetLastError());
:2^%^3+V __leave;
KqP!={>" }
SuB;Nb7r` dwIndex+=dwWrite;
c_~)#F%P }
[uT&sZxmg //关闭文件句柄
Sqed* CloseHandle(hFile);
Lp5LRw bFile=TRUE;
>to NGGU=~ //安装服务
[<