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。
<wIp$F. OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
I T*fjUY& <1>与远程系统建立IPC连接
N&R
'$w <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
E'S<L|A/ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
sW>P- <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
?TL2'U|M <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
D6C-x <6>服务启动后,killsrv.exe运行,杀掉进程
Pur"9jHa4 <7>清场
Hl%+F0^? 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Wh#_9); /***********************************************************************
y>)mSl@1y Module:Killsrv.c
w3>Y7vxiz` Date:2001/4/27
cHqvkN` Author:ey4s
TzD:bKE& Http://www.ey4s.org o=a:L^nt, ***********************************************************************/
htdn$kqG
#include
~NNaLl
#include
Y\Fuj) #include "function.c"
<a4iL3 #define ServiceName "PSKILL"
/ieu)m:2 ^L*VW
gi9 SERVICE_STATUS_HANDLE ssh;
[# H8= SERVICE_STATUS ss;
)w}*PL /////////////////////////////////////////////////////////////////////////
z1}tC\9'% void ServiceStopped(void)
fzGZ :L {
@O @|M' ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
d\1:1ucV ss.dwCurrentState=SERVICE_STOPPED;
aT`02X ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
|Oj,S|Z: ss.dwWin32ExitCode=NO_ERROR;
U 8qKD ss.dwCheckPoint=0;
Gaw,1Ow!`2 ss.dwWaitHint=0;
2u I`$A: SetServiceStatus(ssh,&ss);
ie$fMBIq return;
;X9MA=b }
MJ*oeI!.= /////////////////////////////////////////////////////////////////////////
.@x"JI>; void ServicePaused(void)
'vf,T4uQ" {
PBPJ/puW ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
#b]}cwd! ss.dwCurrentState=SERVICE_PAUSED;
+e{djp@m ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
;GSfN ss.dwWin32ExitCode=NO_ERROR;
skmDsZzw
ss.dwCheckPoint=0;
P /f ~ ss.dwWaitHint=0;
K>DnD0 SetServiceStatus(ssh,&ss);
z=8_%r return;
`*uuB; }
I?:+~q}lZr void ServiceRunning(void)
]R2Z -2 {
n
WO~v{h3J ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
D@YM}HXuj ss.dwCurrentState=SERVICE_RUNNING;
o/i5e=9[y ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
5
\.TZMB ss.dwWin32ExitCode=NO_ERROR;
Qh1Kl_a?Lv ss.dwCheckPoint=0;
eog,EP"a8Y ss.dwWaitHint=0;
V)@nRJ g SetServiceStatus(ssh,&ss);
Wb}0-U{S' return;
' /@!"IXz }
*YEIG#` /////////////////////////////////////////////////////////////////////////
HzO0K=Z=R0 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
)Or:wFSMq {
{?h6*>-^Z switch(Opcode)
Do{*cSd {
tM?I()Y&P case SERVICE_CONTROL_STOP://停止Service
FdK R{dX} ServiceStopped();
wTJMq`sY_ break;
|L~gNC case SERVICE_CONTROL_INTERROGATE:
w~FO:/ SetServiceStatus(ssh,&ss);
9N3oVHc? break;
.Q6{$Y%l }
'!|E+P- return;
ZPG8q
}
,_X,V! //////////////////////////////////////////////////////////////////////////////
\gPNHL* //杀进程成功设置服务状态为SERVICE_STOPPED
OM"T)4z //失败设置服务状态为SERVICE_PAUSED
b}q(YgH< //
V.OoZGE>] void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Nr*ibtz|D {
p%M(G#gOgP ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
zs]>XO~Jg if(!ssh)
0UAr}H.: {
ph|2lLZ ServicePaused();
5xn0U5U return;
})=c:h& }
s-YV_ ServiceRunning();
_o=`-iy9 Sleep(100);
\2LA%ZU //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
^!s}2GcS` //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
daokiU+l2 if(KillPS(atoi(lpszArgv[5])))
oqm{<g?2 ServiceStopped();
":#A>L? l else
\Jj'60L^ ServicePaused();
b ffml return;
u
BW }
a0v1LT6 /////////////////////////////////////////////////////////////////////////////
_ER
cmP void main(DWORD dwArgc,LPTSTR *lpszArgv)
0aq-drl5\ {
t)kr/Z*p\ SERVICE_TABLE_ENTRY ste[2];
)~o`QM+ ste[0].lpServiceName=ServiceName;
E(K$|k_> ste[0].lpServiceProc=ServiceMain;
'5+, lRu ste[1].lpServiceName=NULL;
"r `6c0Z ste[1].lpServiceProc=NULL;
GmWQJY X\ StartServiceCtrlDispatcher(ste);
'kONb return;
u+i/CE#w }
oz5lt4 /////////////////////////////////////////////////////////////////////////////
!*QA;*e 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
C&MqUj"] 下:
}v|[h[cZ /***********************************************************************
]r{#268 Module:function.c
^`C*";8Q Date:2001/4/28
&wWGZ~T Author:ey4s
I>(z)"1 Http://www.ey4s.org b*%WAVt2T ***********************************************************************/
iF2IR{h #include
dIh(~KqB ////////////////////////////////////////////////////////////////////////////
#JT%]! BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
UqQZ
A0e {
(h(ZL9! TOKEN_PRIVILEGES tp;
q|Tk+JH{5 LUID luid;
TbUkqABm S>zKD if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
OsuSx^} {
B 0fo[Ev printf("\nLookupPrivilegeValue error:%d", GetLastError() );
^ZZ@!Udy return FALSE;
C3`.-/{D" }
mwiPvwHrg tp.PrivilegeCount = 1;
!QzMeN;D tp.Privileges[0].Luid = luid;
~d1RD if (bEnablePrivilege)
q\b9e&2Y tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
7JK 'vT else
5;%xqdD tp.Privileges[0].Attributes = 0;
9<#R;eIsv // Enable the privilege or disable all privileges.
PyJblW AdjustTokenPrivileges(
FH@e:-*= hToken,
D2mAyU- FALSE,
sg~/RSJ3 &tp,
o0v m?CL# sizeof(TOKEN_PRIVILEGES),
_3?xIT (PTOKEN_PRIVILEGES) NULL,
Kof-;T (PDWORD) NULL);
J'oz P^N // Call GetLastError to determine whether the function succeeded.
I,q~*d if (GetLastError() != ERROR_SUCCESS)
Gl\RAmdc {
3uiitjA] printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
p{_O*bo
return FALSE;
&5CeRx7% }
]$X=~>w return TRUE;
{ l~T~3/i }
pc(9(. | ////////////////////////////////////////////////////////////////////////////
FP
cvkXQD BOOL KillPS(DWORD id)
= ~R3*GN {
Y+PxV*"a HANDLE hProcess=NULL,hProcessToken=NULL;
f;I"tugO BOOL IsKilled=FALSE,bRet=FALSE;
_-nN(
${{ __try
KuAGy*:4T {
/]UNN~( R}YryzV5 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
m=b+V#4i( {
(W6\%H2u printf("\nOpen Current Process Token failed:%d",GetLastError());
H0:6zSsc=| __leave;
*^m.V= }
Gf$>!zXr //printf("\nOpen Current Process Token ok!");
B,qZwc| if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
yD'h5)yu {
T</gWW __leave;
cnO4NUDv }
MjosA R printf("\nSetPrivilege ok!");
:)S4MoG -&^( T if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
ZI*A0_;L {
`9)2nkJk'z printf("\nOpen Process %d failed:%d",id,GetLastError());
lP
&%5y; __leave;
Hw3E S }
Kct +QO( //printf("\nOpen Process %d ok!",id);
d:ajD if(!TerminateProcess(hProcess,1))
W_lNvzag {
X=}0+W printf("\nTerminateProcess failed:%d",GetLastError());
@)Y7GM+^ __leave;
um4zLsd#v }
aj~@r3E; IsKilled=TRUE;
{?_)m/\ }
S`-IQ,*} __finally
KV(W|~+ rM {
LA3,e (e if(hProcessToken!=NULL) CloseHandle(hProcessToken);
T"lqPbK if(hProcess!=NULL) CloseHandle(hProcess);
MO+0]uh: }
Ft>8 YYyU return(IsKilled);
%6?}gc_ }
;qQzF //////////////////////////////////////////////////////////////////////////////////////////////
D-EM 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:
f)fw87UPc /*********************************************************************************************
alD|-{Bf ModulesKill.c
yr DYw T Create:2001/4/28
66;O 3g' Modify:2001/6/23
R9HS%O6b6 Author:ey4s
@Kb~!y@G Http://www.ey4s.org }tq9 /\ PsKill ==>Local and Remote process killer for windows 2k
rkXSygb **************************************************************************/
X0L{#U #include "ps.h"
O #define EXE "killsrv.exe"
U5s]dUs ( #define ServiceName "PSKILL"
cSWVHr CawVC*b3 #pragma comment(lib,"mpr.lib")
X~b+LG/ //////////////////////////////////////////////////////////////////////////
8hV:bz" //定义全局变量
k !r z8S" SERVICE_STATUS ssStatus;
JB}h}nb SC_HANDLE hSCManager=NULL,hSCService=NULL;
WWs>@lCK BOOL bKilled=FALSE;
'v5gg2 char szTarget[52]=;
mSp7H! //////////////////////////////////////////////////////////////////////////
?NeB_<dLa` BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
{[# BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
!7|9r$ BOOL WaitServiceStop();//等待服务停止函数
BE;iC.rW BOOL RemoveService();//删除服务函数
ou4?`JF)- /////////////////////////////////////////////////////////////////////////
dRC+|^rSC int main(DWORD dwArgc,LPTSTR *lpszArgv)
dg<fUQ {
$*> _0{< BOOL bRet=FALSE,bFile=FALSE;
KL{uhb0f char tmp[52]=,RemoteFilePath[128]=,
&WS%sE{p_ szUser[52]=,szPass[52]=;
=i<(hgD HANDLE hFile=NULL;
)^3655mb DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
o*8 pM`uw ywBo9|%T //杀本地进程
fQ) ;+ if(dwArgc==2)
wEqCuhZ {
6f1Y:qK'@ if(KillPS(atoi(lpszArgv[1])))
(b5af_ c printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
3_:k12%p else
5T*7HC[ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
,]'!2? lpszArgv[1],GetLastError());
53xq% return 0;
;trR'~ }
Cl=ExpX/O //用户输入错误
~Y[b
QuA=) else if(dwArgc!=5)
}x-8@9S~z {
L@uKE jR printf("\nPSKILL ==>Local and Remote Process Killer"
xEqrs6sR "\nPower by ey4s"
eZo%q,L "\nhttp://www.ey4s.org 2001/6/23"
ObnB6ShKi "\n\nUsage:%s <==Killed Local Process"
b9jm=U "\n %s <==Killed Remote Process\n",
*?\Nioii lpszArgv[0],lpszArgv[0]);
s4*,ocyBP return 1;
F*u;'K }
H|?`n
uiD //杀远程机器进程
uLht;-`{n strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
qlP=Y .H strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
%hh8\5l.: strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
\Ld7fP %kT:"j(xW //将在目标机器上创建的exe文件的路径
XFYl[?`G sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
|\ L2q/u __try
75ob1h" {
BGS6uV4^> //与目标建立IPC连接
L|Iq#QX| if(!ConnIPC(szTarget,szUser,szPass))
J.(_c'
r {
^TGHWCK!t printf("\nConnect to %s failed:%d",szTarget,GetLastError());
Dc2eY. return 1;
TUt)]"h< }
=T`-h"E~@ printf("\nConnect to %s success!",szTarget);
XhiC'.B_ //在目标机器上创建exe文件
kzT' 3lqhjA hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
X"sN~Q.0 E,
~gD'up@$/ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
V8/o@I{U[ if(hFile==INVALID_HANDLE_VALUE)
7+bzCDKU {
H?m2|. printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
5;*C0m2%i __leave;
k-/$8C }
xUUp?]9y //写文件内容
C}Q2UK-: while(dwSize>dwIndex)
Z^'; xn {
AHb
L.'N'-BV if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
l/5/|UE9
{
Yv)/DsSyL printf("\nWrite file %s
Et(prmH failed:%d",RemoteFilePath,GetLastError());
,??|R`S __leave;
p%_TbH3j` }
AKVmUS;70 dwIndex+=dwWrite;
=/;(qy9.-R }
Q\Eq(2p //关闭文件句柄
o/xE
O=AW CloseHandle(hFile);
pI4<`
K bFile=TRUE;
9UZX+@[F //安装服务
()Z$j,2 if(InstallService(dwArgc,lpszArgv))
ORO~(%-(e {
5sH ee, //等待服务结束
%9K@`v- if(WaitServiceStop())
Wil+"[Ge {
2= _.K( //printf("\nService was stoped!");
.6*A~%-=[d }
BeRn9[ else
h?b{{ {
9b0Z
Ey{ //printf("\nService can't be stoped.Try to delete it.");
E4Sp^, }
AMr 9rB d Sleep(500);
R B!g,u //删除服务
sQkP@Y RemoveService();
!Kis,e }
NTC,Vr\A }
S/4kfsN __finally
7?4>' {
f"Z2&