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。
}8Nr.gY OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
%D>cY! <1>与远程系统建立IPC连接
/\m>PcPa <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
nBtKSNT#Q <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
te+r.(p <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
gP?.io9Oi <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
"cGjHy\j` <6>服务启动后,killsrv.exe运行,杀掉进程
m]&y&oz <7>清场
u XVs<im 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
D:XjJMW3r /***********************************************************************
$|K-wN[ Module:Killsrv.c
j=Z;M1 Date:2001/4/27
R2y~+tko? Author:ey4s
s\.\z[1 Http://www.ey4s.org F+9(*|x% ***********************************************************************/
j5m]zh5\J= #include
Dj{=Y`Tw #include
4#ZZwa]y #include "function.c"
{
P @mAw #define ServiceName "PSKILL"
6f&qtJQ<A
\1?: SERVICE_STATUS_HANDLE ssh;
|t_SN,)dd SERVICE_STATUS ss;
Q\aC:68 /////////////////////////////////////////////////////////////////////////
PDpDkcy|QM void ServiceStopped(void)
Ha~}NO {
R@2*Lgxz~ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
P=.T|l1 ss.dwCurrentState=SERVICE_STOPPED;
afye$$X ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
(
\7Yo^ ss.dwWin32ExitCode=NO_ERROR;
B dxV [SF ss.dwCheckPoint=0;
l:j>d^V*&x ss.dwWaitHint=0;
B1 xlWdm SetServiceStatus(ssh,&ss);
{$'oKJy* return;
dyt.(2 }
]>,Lw=_[_ /////////////////////////////////////////////////////////////////////////
,Ofou8C6 void ServicePaused(void)
trlZ {
Cg]S`R- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
h%! ,|[| ss.dwCurrentState=SERVICE_PAUSED;
~/;shs<9EM ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
V(F1i%9l g ss.dwWin32ExitCode=NO_ERROR;
#./8inbG ss.dwCheckPoint=0;
}M &hcw< ss.dwWaitHint=0;
1
Lz SetServiceStatus(ssh,&ss);
b#Vm;6BHD1 return;
$Fv|w9 }
2 P9{?Y void ServiceRunning(void)
9.Yn]O {
.> ^U
mM ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
0f"la=6 ss.dwCurrentState=SERVICE_RUNNING;
>(a[b@[K ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
1Wz5Iv#Ez ss.dwWin32ExitCode=NO_ERROR;
9KMtPBZ ss.dwCheckPoint=0;
dwVo"_Yr ss.dwWaitHint=0;
|?ma? SetServiceStatus(ssh,&ss);
+{cCKRm return;
V(OD^GU }
s;xErH@RA /////////////////////////////////////////////////////////////////////////
G9h B p void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
RT"JAJTi/ {
$#FA/+<&$ switch(Opcode)
Cd7l+~*Y {
1_z~<d
@?; case SERVICE_CONTROL_STOP://停止Service
r_3=+ ServiceStopped();
Y{2L[5_1 break;
%
r0AhWv case SERVICE_CONTROL_INTERROGATE:
Hf9F:yH SetServiceStatus(ssh,&ss);
eKL3Y_5p@ break;
)`}4rD^b }
}c'T]h\S return;
zX&wfE8T }
iH)-8Q //////////////////////////////////////////////////////////////////////////////
1p(9hVA //杀进程成功设置服务状态为SERVICE_STOPPED
n@9R|biO //失败设置服务状态为SERVICE_PAUSED
z`Xc] cPi //
_OJ19 Ry void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
0-8'.C1v {
TFtD>q X ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
R^Y_i if(!ssh)
|4F'Zu}g> {
,zh4oX`> ServicePaused();
3|0OW
Jk return;
k9iB-=X?4s }
}Pj;9ivz ServiceRunning();
&Tk@2<5= Sleep(100);
@!%HEs!# # //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
7z3YzQ=Kg //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
C^ Oy.s if(KillPS(atoi(lpszArgv[5])))
N@R?<a ServiceStopped();
+EM^ else
|. LE` ServicePaused();
?xtP\~ return;
.<.#g+ }
7DIFJJE' /////////////////////////////////////////////////////////////////////////////
Mgg m~|9) void main(DWORD dwArgc,LPTSTR *lpszArgv)
^qV6khg {
]/od p/jm SERVICE_TABLE_ENTRY ste[2];
9/6=[) ste[0].lpServiceName=ServiceName;
I|)U>bV ste[0].lpServiceProc=ServiceMain;
AHn
Yfxv_ ste[1].lpServiceName=NULL;
z:JJ>mxV ste[1].lpServiceProc=NULL;
2w>yW] StartServiceCtrlDispatcher(ste);
YfVZ59l4y6 return;
bw OG|\ }
I5w>*F /////////////////////////////////////////////////////////////////////////////
R<e ~Cb- 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
pSS8 %r%S' 下:
w~WW2w /***********************************************************************
(r"2XXR Module:function.c
r*t\F&D Date:2001/4/28
rY]QTS">o Author:ey4s
YFs!,fw' Http://www.ey4s.org N
m@UM*D ***********************************************************************/
<>fT_ #include
a f UOIM ////////////////////////////////////////////////////////////////////////////
=X=m_\=~@ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
h|[oQ8) {
5VGr<i&A TOKEN_PRIVILEGES tp;
oVeC@[U LUID luid;
3ULn ]jA 7/6%92T/B if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
X&cm)o%5Fe {
'" J``= printf("\nLookupPrivilegeValue error:%d", GetLastError() );
#\gx.2W7 return FALSE;
j~k+d$a }
?=%#lZ&? tp.PrivilegeCount = 1;
d`4F tp.Privileges[0].Luid = luid;
_#TbOfu if (bEnablePrivilege)
Y%@a~| tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
NnqAr , else
nx@h tp.Privileges[0].Attributes = 0;
Q a3+ 9 // Enable the privilege or disable all privileges.
gR@,"6b3 AdjustTokenPrivileges(
B"2#}HM hToken,
]%I|C++0 FALSE,
El|Y]f &tp,
7aJ:kumDZ sizeof(TOKEN_PRIVILEGES),
?7R&=B1g (PTOKEN_PRIVILEGES) NULL,
=x}p>#o,J (PDWORD) NULL);
jQ9i<-zc // Call GetLastError to determine whether the function succeeded.
s?_H<u if (GetLastError() != ERROR_SUCCESS)
)G@/E^ySM {
70yM]C^ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
|RZI]H% return FALSE;
zOA2chy4 }
C}(9SASs% return TRUE;
m$B)_WW }
e~NF}9#A ////////////////////////////////////////////////////////////////////////////
]TIBy "3 BOOL KillPS(DWORD id)
jt6,id)& {
+<w\K* HANDLE hProcess=NULL,hProcessToken=NULL;
TqTz BOOL IsKilled=FALSE,bRet=FALSE;
n$y@a?al __try
::8c pUc`f {
QW_W5|_ s.XLC43Rs if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
|oV_7%mlu {
9O\N
K:2 printf("\nOpen Current Process Token failed:%d",GetLastError());
)9z3T>QW __leave;
.|<+-Rsj }
=JfSg'7 //printf("\nOpen Current Process Token ok!");
Vl%jpjqP if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
(v1~p3H {
oO][X __leave;
4-Cca }
x`VA3nE9 printf("\nSetPrivilege ok!");
IHvrx:7 CyD)=e{ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
5nv1%48Ri {
fm&pxQjg printf("\nOpen Process %d failed:%d",id,GetLastError());
6;#Rd| __leave;
]c\d][R N }
N_| '`]D //printf("\nOpen Process %d ok!",id);
)@a_|q@V if(!TerminateProcess(hProcess,1))
x0$# 8 {
(?lKedA>2 printf("\nTerminateProcess failed:%d",GetLastError());
W^N|+$g>H __leave;
jxTYW)E }
{q|Om?@ IsKilled=TRUE;
-9~WtTaV.H }
EN{o3@ O' __finally
lq}g*ih {
AQIBg9y7 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
tLo_lLn*~% if(hProcess!=NULL) CloseHandle(hProcess);
q-TDg0 }
,BE4z2a return(IsKilled);
)|j?aVqZ }
%3mh'Z -[f //////////////////////////////////////////////////////////////////////////////////////////////
d{*e0 OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
T7~Vk2o%( /*********************************************************************************************
^2-t|E= ModulesKill.c
10W6wIqK Create:2001/4/28
,8Q&X~$rY Modify:2001/6/23
OGAC[s~V Author:ey4s
B8.uzX'p Http://www.ey4s.org 6uKS!\EY| PsKill ==>Local and Remote process killer for windows 2k
;cp,d~m rf **************************************************************************/
XG}9)fT #include "ps.h"
=9L1Z \f #define EXE "killsrv.exe"
go
B'C #define ServiceName "PSKILL"
u @#fOu xDEjeM G #pragma comment(lib,"mpr.lib")
t(:w):zE //////////////////////////////////////////////////////////////////////////
@tg4rl //定义全局变量
<T+{)FV SERVICE_STATUS ssStatus;
-&JQdrs SC_HANDLE hSCManager=NULL,hSCService=NULL;
-SN6&-#c_ BOOL bKilled=FALSE;
"ot#g" char szTarget[52]=;
2C"[0*.[N //////////////////////////////////////////////////////////////////////////
,WQg.neOA BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
v]X*(e BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
K410.o/=- BOOL WaitServiceStop();//等待服务停止函数
6Eyinv BOOL RemoveService();//删除服务函数
aKC,{}f$m /////////////////////////////////////////////////////////////////////////
}B@44HdY int main(DWORD dwArgc,LPTSTR *lpszArgv)
2i)vT)~ {
h@%a+ 6b? BOOL bRet=FALSE,bFile=FALSE;
I@q(P>]X9 char tmp[52]=,RemoteFilePath[128]=,
@~8* szUser[52]=,szPass[52]=;
'ocPG.PaU HANDLE hFile=NULL;
= ow=3Ku DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
vXT>Dc2\! 3V%ts7: a //杀本地进程
|VQmB/a if(dwArgc==2)
SkyX\& {
hD9b2KZv if(KillPS(atoi(lpszArgv[1])))
SaSj9\o printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
'ZAl7k . else
(0u(<qA\ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
66-G)+4 lpszArgv[1],GetLastError());
R(p3*t&n return 0;
W(\^6S) }
O#?@'1 //用户输入错误
IA680^ else if(dwArgc!=5)
VCQo3k5
{ {
z4{:X Da printf("\nPSKILL ==>Local and Remote Process Killer"
5]~451 "\nPower by ey4s"
oMHTB!A=2 "\nhttp://www.ey4s.org 2001/6/23"
6QAhVg: A "\n\nUsage:%s <==Killed Local Process"
ppzQh1 "\n %s <==Killed Remote Process\n",
y85R"d lpszArgv[0],lpszArgv[0]);
6|Xe ],u return 1;
s"B2Whe }
e\r%"~v //杀远程机器进程
FA!!S`{\ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
()e|BFL . strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
RAj>{/E#W strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
h]pz12Yf
{[dY$
//将在目标机器上创建的exe文件的路径
Cf>(,rt}; sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
I`;SA~5 __try
^MO})C {
R*DQLBWc //与目标建立IPC连接
7>
8L%(7 if(!ConnIPC(szTarget,szUser,szPass))
58P[EMhL {
il% u)NN printf("\nConnect to %s failed:%d",szTarget,GetLastError());
|H.ARLS return 1;
d
r$E:kr }
o>\o=%D.a printf("\nConnect to %s success!",szTarget);
pD;fFLvN //在目标机器上创建exe文件
:f~qt%%/ }/2M?W0 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
(9Q@I8}Iy E,
%"^8$A?>,k NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
ZQ{-6VCjl if(hFile==INVALID_HANDLE_VALUE)
{A'_5 X9 {
iTVZo?lVo printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
T{)_vQ __leave;
v?_L_{x;W }
(D0\uld9 //写文件内容
tE,&
G-jU while(dwSize>dwIndex)
^09-SUl^ {
Q2[;H!" yt<h!k$ _P if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
+`tk LvM {
Q)im2o@z printf("\nWrite file %s
|enb5b78 failed:%d",RemoteFilePath,GetLastError());
zPN:) __leave;
=YY 7V! }
-\n%K dwIndex+=dwWrite;
%`*On~ }
#mkf2Z=t- //关闭文件句柄
y/+IPR CloseHandle(hFile);
qP]1}- bFile=TRUE;
Z)md]Twt //安装服务
\/ipYc if(InstallService(dwArgc,lpszArgv))
/xj`'8 {
Xyr'rm5+b //等待服务结束
(AZAQ xt if(WaitServiceStop())
glLoYRTi
{
%77uc9} //printf("\nService was stoped!");
p>B-Ubu }
<Xw\:5
F<7 else
QJ!2Vw4K {
yK-DzAv //printf("\nService can't be stoped.Try to delete it.");
&x7iEbRs }
F^81?Fi. Sleep(500);
1)5$,+~lL //删除服务
tAsap}( RemoveService();
N'i)s{' }
S%aup(wu6 }
Ph8@V}80"Y __finally
2M=h:::W {
:C2
@!W
z //删除留下的文件
;cB3D3fR. if(bFile) DeleteFile(RemoteFilePath);
SP/'4m //如果文件句柄没有关闭,关闭之~
&