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。
D;Y2yc[v OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
=9A!5 <1>与远程系统建立IPC连接
BWzo|isv <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
sd
|c/ayh~ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Q'rX ]kk_ <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
W1[C/dDc <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
sX(rJLbD <6>服务启动后,killsrv.exe运行,杀掉进程
*!,k`=.([# <7>清场
u4Z
Accj 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
.FvIT]k- /***********************************************************************
:D:J_{HJ Module:Killsrv.c
;RW5XnVx Date:2001/4/27
Zc=#Y Author:ey4s
Z`ZML+;~6 Http://www.ey4s.org XpdjWLO]C< ***********************************************************************/
$~T|v7Y% #include
SKJ'6*6 #include
xsg55` #include "function.c"
"Wy!,RH #define ServiceName "PSKILL"
K?=g
IC: 1fV\84m^ SERVICE_STATUS_HANDLE ssh;
oi%IHX(` SERVICE_STATUS ss;
xgWVxX^) /////////////////////////////////////////////////////////////////////////
LHq*E` void ServiceStopped(void)
t=n@<1d {
'^BTa6W}m ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
{QT:1U\. ss.dwCurrentState=SERVICE_STOPPED;
sl*&.F,v= ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
OmaG|2u ss.dwWin32ExitCode=NO_ERROR;
1pTQMf a ss.dwCheckPoint=0;
J!iKW ss.dwWaitHint=0;
5-"aK~@+ SetServiceStatus(ssh,&ss);
Bacmrf return;
67 wq8| }
lv&y<d; /////////////////////////////////////////////////////////////////////////
!D9V9p void ServicePaused(void)
qhNYQ/uS {
/z4n?&tM ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
cN|
gaL ss.dwCurrentState=SERVICE_PAUSED;
BSg3 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
:BUr8%l ss.dwWin32ExitCode=NO_ERROR;
ExSy/^4f ss.dwCheckPoint=0;
_@sSVh$+ ss.dwWaitHint=0;
27UnH: = SetServiceStatus(ssh,&ss);
@*JS[w$1 return;
U
zMIm }
*YWk. void ServiceRunning(void)
eX o@3/ {
ksQw|>K ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
SoB6F9 ss.dwCurrentState=SERVICE_RUNNING;
34qfP{9!N ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
x-SYfvYY ss.dwWin32ExitCode=NO_ERROR;
Xl/2-'4 ss.dwCheckPoint=0;
19i [DR ss.dwWaitHint=0;
\`YV)"y" ~ SetServiceStatus(ssh,&ss);
g#[,4o; return;
0vcFX)]yW }
Wp//SV /////////////////////////////////////////////////////////////////////////
\PK}4<x} void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
u=sZFr@m[ {
6"La`}B(T8 switch(Opcode)
j6BFh=?D {
uG4Q\,R case SERVICE_CONTROL_STOP://停止Service
'];=1loD ServiceStopped();
Q}]RB$ZS break;
kSO:xS0 _N case SERVICE_CONTROL_INTERROGATE:
?^
`EI}g SetServiceStatus(ssh,&ss);
MW)=l
| G break;
?yAjxoE~? }
tnC,1HV0[ return;
{_X&{dZLX }
eed!SmP //////////////////////////////////////////////////////////////////////////////
$~:|Vj5iZ\ //杀进程成功设置服务状态为SERVICE_STOPPED
d7v_> //失败设置服务状态为SERVICE_PAUSED
x$24Nc1a' //
H)i%\7F5 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
PYW> {
CR`}{?2H ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
R TeG\U if(!ssh)
]s~%1bd
{
9C\@10 D ServicePaused();
Xldz&&@ return;
yUu+68Z6 }
IoWK 8x ServiceRunning();
ehQ~+x Sleep(100);
@'FO M //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
/7Ft1f //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
r r(UE if(KillPS(atoi(lpszArgv[5])))
JAI ;7 ServiceStopped();
q%k _C0 else
hB-<GGcO < ServicePaused();
M}`G}* return;
b "5WsJ:'# }
`Qo}4nuRs /////////////////////////////////////////////////////////////////////////////
4AuJ1Z void main(DWORD dwArgc,LPTSTR *lpszArgv)
<k-hRs2d {
IsP!ZcV; SERVICE_TABLE_ENTRY ste[2];
ph=U<D4 ste[0].lpServiceName=ServiceName;
bd3q207> ste[0].lpServiceProc=ServiceMain;
XB\n4|4 ste[1].lpServiceName=NULL;
l*n4d[0J ste[1].lpServiceProc=NULL;
*]* D^' StartServiceCtrlDispatcher(ste);
:faB7wduW; return;
-LEpT$v| }
7|q _JdKoU /////////////////////////////////////////////////////////////////////////////
O@? *5 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
#nJ&`woZt 下:
Ixv/xI /***********************************************************************
w}``2djR'W Module:function.c
S$Fq1 Date:2001/4/28
7VAet Author:ey4s
Zcxj.F(, Http://www.ey4s.org </Ry4x^A ***********************************************************************/
g(F? qP_K #include
>O}J*4A>+# ////////////////////////////////////////////////////////////////////////////
B;xGTl@8 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
XLsOn(U\& {
doV+u(J~ TOKEN_PRIVILEGES tp;
f)!7/+9> LUID luid;
%R LGO& f2RIOL, if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
o:Q.XWa@MG {
?FwjbG< printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Af7&;8pM return FALSE;
HU+zzTgI }
=CjN=FM tp.PrivilegeCount = 1;
rgXD>yu( tp.Privileges[0].Luid = luid;
K^+}__;] if (bEnablePrivilege)
q.NvwJ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
?u_O(eg else
#Vh$u%q3 tp.Privileges[0].Attributes = 0;
~F=,)GE // Enable the privilege or disable all privileges.
Z|qUVD5Ic AdjustTokenPrivileges(
+a((,wAN2 hToken,
#gY|T| FALSE,
0@dN$e &tp,
f3HleA&& sizeof(TOKEN_PRIVILEGES),
xEvm>BZi
(PTOKEN_PRIVILEGES) NULL,
T&~7*j(|e (PDWORD) NULL);
xl;0&/7e // Call GetLastError to determine whether the function succeeded.
9!|+GIjn if (GetLastError() != ERROR_SUCCESS)
@mId{w z {
My JG2C#R printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
6pY<,7t0 return FALSE;
Y'v;!11#
}
D'3. T{*rH return TRUE;
R3Ka^l8R| }
< .B^\X$ ////////////////////////////////////////////////////////////////////////////
Jl(G4h V'\ BOOL KillPS(DWORD id)
Ug,23 {
zV"oB9\9O HANDLE hProcess=NULL,hProcessToken=NULL;
j9/Ev]im|F BOOL IsKilled=FALSE,bRet=FALSE;
$yg=tWk __try
61{IXx_ {
F_C_K"[s \cRe,(?O if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
3WQ"3^G {
Tx\g5rk printf("\nOpen Current Process Token failed:%d",GetLastError());
,7nA:0P __leave;
K5SP8<. }
?^H1X-; //printf("\nOpen Current Process Token ok!");
Z* L{; if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
H{nYZOf/ {
6%RN- __leave;
^NPbD<~Lb }
eGh7 ,wngH printf("\nSetPrivilege ok!");
d65t"U bem-T`>' if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
7JHS8C<] {
z^=e3~-J printf("\nOpen Process %d failed:%d",id,GetLastError());
('VHL! __leave;
BbdJR]N/!h }
&i%1\o //printf("\nOpen Process %d ok!",id);
"ZLujpZcG if(!TerminateProcess(hProcess,1))
+1j+%&). {
N_Y*Z`Xb printf("\nTerminateProcess failed:%d",GetLastError());
/l@h[}g+d- __leave;
~^R?H S }
U?d4 ^ IsKilled=TRUE;
DR w;.it2 }
Oe[qfsdW __finally
jJDYl( [ {
/)E'%/"A if(hProcessToken!=NULL) CloseHandle(hProcessToken);
duk:: |{F if(hProcess!=NULL) CloseHandle(hProcess);
KGoHn6jM }
auS.q5
% return(IsKilled);
q=40l }
1-bQ
( - //////////////////////////////////////////////////////////////////////////////////////////////
n%YG)5; 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:
1_z6O!rx /*********************************************************************************************
;c;n.o.)/# ModulesKill.c
9x40 Create:2001/4/28
' N?t=A Modify:2001/6/23
@ dF]X Author:ey4s
g2'Q)w Http://www.ey4s.org }475c{ PsKill ==>Local and Remote process killer for windows 2k
@lnM% **************************************************************************/
x6 c#[:R& #include "ps.h"
p/f!\ #define EXE "killsrv.exe"
b-XC\ #define ServiceName "PSKILL"
>&3ATH;&( OK^0,0kS3 #pragma comment(lib,"mpr.lib")
r!7e:p JLO //////////////////////////////////////////////////////////////////////////
/NDuAjp[@ //定义全局变量
[Ifhh2 SERVICE_STATUS ssStatus;
T|&2!Sh SC_HANDLE hSCManager=NULL,hSCService=NULL;
4:
<=%d BOOL bKilled=FALSE;
:<$IGzw}. char szTarget[52]=;
pt!Q%rXm //////////////////////////////////////////////////////////////////////////
3]9twfF 'J BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
P_w\d/3 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
4Dd7I BOOL WaitServiceStop();//等待服务停止函数
7JNy;$]/ BOOL RemoveService();//删除服务函数
2m?!!Weq /////////////////////////////////////////////////////////////////////////
o-D,K dY int main(DWORD dwArgc,LPTSTR *lpszArgv)
Iu -CXc {
9IRvbE~2 BOOL bRet=FALSE,bFile=FALSE;
_\tGmME37 char tmp[52]=,RemoteFilePath[128]=,
#1C~i}J1 szUser[52]=,szPass[52]=;
9C{\=?e; HANDLE hFile=NULL;
n*oa J<o% DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
A'\jaB <XHS@| //杀本地进程
"n3i(sZ if(dwArgc==2)
U|%y`PZ {
k<M~co;L if(KillPS(atoi(lpszArgv[1])))
(BA2
printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
;|Z;YK@20 else
Q&9%XF
uM printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
K~# wvUb lpszArgv[1],GetLastError());
p~sfd return 0;
~',}]_'oR- }
I'[hvp //用户输入错误
Sl{nS1q else if(dwArgc!=5)
-*K!JC- {
dLSnhZ printf("\nPSKILL ==>Local and Remote Process Killer"
B
az:N6u "\nPower by ey4s"
BU="BB/[ "\nhttp://www.ey4s.org 2001/6/23"
yq?_#r "\n\nUsage:%s <==Killed Local Process"
.2b) rKo~ "\n %s <==Killed Remote Process\n",
G D$jP? lpszArgv[0],lpszArgv[0]);
28j=q-9Z return 1;
(&6C,O~n^. }
/I'n] //杀远程机器进程
Y,bw:vX strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
9o7d3 ir) strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
x\Y%/C[Kc strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
3PonF4 FBGHVV
w! //将在目标机器上创建的exe文件的路径
!7g
E sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
a*pZcv< __try
%acy%Sy {
@J~y_J{ //与目标建立IPC连接
G@)I if(!ConnIPC(szTarget,szUser,szPass))
NS
l$5E {
5g-apod printf("\nConnect to %s failed:%d",szTarget,GetLastError());
%}=$HwN) return 1;
I~R<}volu }
sQA{[l!aj printf("\nConnect to %s success!",szTarget);
{1GW,T!# //在目标机器上创建exe文件
%;0w2W .'SXRrn&:C hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
3_atv'I E,
~PNO|]8j NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
."Yub];H if(hFile==INVALID_HANDLE_VALUE)
kCR)k=* {
F GOa!G printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
!40t:+I __leave;
gkpNT) }
wYf=(w\c //写文件内容
oPNYCE while(dwSize>dwIndex)
y0qE::/H$ {
xaerMr a{h(BI^~ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
>:]fN61# {
xQ7n$.?y@ printf("\nWrite file %s
\2<2&=h? failed:%d",RemoteFilePath,GetLastError());
=3=KoH/' __leave;
r1FE$R~C= }
F.=uJdl.! dwIndex+=dwWrite;
'KGY;8<x] }
4[3T%jA //关闭文件句柄
D^PsV CloseHandle(hFile);
+k"dN^K]D bFile=TRUE;
Et'C4od s //安装服务
wN)R !6 if(InstallService(dwArgc,lpszArgv))
kXC.rgal {
bE>3D#V< //等待服务结束
b,a\`%m} if(WaitServiceStop())
^+[o+ {
yT&