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。
)*$ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
]B[/sqf <1>与远程系统建立IPC连接
^B"_b?b <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
b#\kZ/W <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
i$LV44 <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
U0|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
-)->Jx:{ <6>服务启动后,killsrv.exe运行,杀掉进程
l`5}i|4KTW <7>清场
Q&U= jX 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
k}Clq;G /***********************************************************************
E<m"en&v Module:Killsrv.c
4S{l>/I Date:2001/4/27
E/ed0'|m Author:ey4s
[F>n!`8 Http://www.ey4s.org YWBP'Mo ***********************************************************************/
0 *Yivx6 #include
t"74HZO> #include
/RULPd
PH #include "function.c"
NYV0<z@M2M #define ServiceName "PSKILL"
&MGgO\|6 #<V'gE SERVICE_STATUS_HANDLE ssh;
HIp {< M3 SERVICE_STATUS ss;
UNH}*]u4` /////////////////////////////////////////////////////////////////////////
WZO
0u void ServiceStopped(void)
>5@ 0lYhH {
Y<$"]@w ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
zm^p7&ak$ ss.dwCurrentState=SERVICE_STOPPED;
ah@GSu;7 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
!\|@{UJk/ ss.dwWin32ExitCode=NO_ERROR;
WaO;hy~us ss.dwCheckPoint=0;
P*^UU\x'4I ss.dwWaitHint=0;
V@s/]|rf, SetServiceStatus(ssh,&ss);
I:2jwAl return;
Z.Y8 z#[xg }
$/(/v?3][e /////////////////////////////////////////////////////////////////////////
C g,w6<7 void ServicePaused(void)
/SM#hwFxJ& {
2!& ;ZcT, ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
KB-#):' ss.dwCurrentState=SERVICE_PAUSED;
L$07u{Q ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
)t 7HioQ ss.dwWin32ExitCode=NO_ERROR;
-`<N, ss.dwCheckPoint=0;
pDS4_u ss.dwWaitHint=0;
nLLHggNAV SetServiceStatus(ssh,&ss);
o+23?A~+ return;
sU3V)7"
}
[
^ \) void ServiceRunning(void)
^Q+5M"/8 {
8{^GC(W{] ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
;@\JscNJ| ss.dwCurrentState=SERVICE_RUNNING;
20xGj?M ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
e/I{N0SR ss.dwWin32ExitCode=NO_ERROR;
AyXKhj#Ml ss.dwCheckPoint=0;
0
#;
s{7k ss.dwWaitHint=0;
Gi_X+os SetServiceStatus(ssh,&ss);
sSb&r return;
^*>no=A }
fC:\Gh5 /////////////////////////////////////////////////////////////////////////
j[
YTg] void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
&%51jM< {
6h"?3w switch(Opcode)
,
Vr6
{
JugQ +0 case SERVICE_CONTROL_STOP://停止Service
m/c~2?-; ServiceStopped();
s0'U[] break;
lw lW.C case SERVICE_CONTROL_INTERROGATE:
::t!W7W SetServiceStatus(ssh,&ss);
*\5H\s9< break;
Gs?sO?j }
BbhdGFG1 return;
x?$Y<=vT }
:njUaMFoMA //////////////////////////////////////////////////////////////////////////////
RLr-xg$K-t //杀进程成功设置服务状态为SERVICE_STOPPED
N1t:i? q& //失败设置服务状态为SERVICE_PAUSED
F=lj$?4{ //
SQRz8,sqkw void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
L^Af3]]2 {
v:ZD}Q_ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
7~g0{W>Zm if(!ssh)
7E]l=Z`x {
D{}\7qe ServicePaused();
pEP.^[ return;
CF4y$aC# }
nP
/$uj ServiceRunning();
jP]'gQ!-w Sleep(100);
4WnxJ]5` //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Y`Rf E //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
w/@%xy if(KillPS(atoi(lpszArgv[5])))
vpMv ServiceStopped();
Z/;SR""wa else
r JxT)bR ServicePaused();
(\_d'Js(; return;
G 3x1w/L }
1Sr}2@> /////////////////////////////////////////////////////////////////////////////
1 ErYob.p void main(DWORD dwArgc,LPTSTR *lpszArgv)
WNi<|A#T{ {
C $;~= SERVICE_TABLE_ENTRY ste[2];
n40Z ste[0].lpServiceName=ServiceName;
*l}
0x@ ste[0].lpServiceProc=ServiceMain;
cke[SUH, ste[1].lpServiceName=NULL;
cPYQ<Y= ste[1].lpServiceProc=NULL;
=Ch#pLmH StartServiceCtrlDispatcher(ste);
%(6Wr E5F6 return;
XUHY.M }
YKk%;U* /////////////////////////////////////////////////////////////////////////////
2:yv:7t/ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
XQPJ(.G 下:
ZvJx01F{ /***********************************************************************
V _,* Module:function.c
G[ea@u$? Date:2001/4/28
TjdY Ck]' Author:ey4s
b/`'?|
C Http://www.ey4s.org cPSpPx ***********************************************************************/
Dr<Bd;) #include
#wfR$Cd ////////////////////////////////////////////////////////////////////////////
<Th.}= BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
R!ij CF\ {
;'urt / TOKEN_PRIVILEGES tp;
!k)
?H*
^@ LUID luid;
@nK08Kj- jLg4_N1SD if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
g=wnly {
1^mO"nX printf("\nLookupPrivilegeValue error:%d", GetLastError() );
D]REZuHOI return FALSE;
[LK
9^/V }
BN0))p tp.PrivilegeCount = 1;
TaH9Nu tp.Privileges[0].Luid = luid;
S6uBk"V! if (bEnablePrivilege)
qmGB~N|N tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
O B:G5B` else
@NZ?D0" tp.Privileges[0].Attributes = 0;
uWSG+ // Enable the privilege or disable all privileges.
}j
x{Cw AdjustTokenPrivileges(
<v?-$3YT hToken,
Fa8>+ FALSE,
:HC{6W`$ &tp,
]4PG[9J@ sizeof(TOKEN_PRIVILEGES),
hk(^?Fp (PTOKEN_PRIVILEGES) NULL,
LF8B5<[O (PDWORD) NULL);
TSeAC[%pL // Call GetLastError to determine whether the function succeeded.
b.F2m(e2 if (GetLastError() != ERROR_SUCCESS)
e2>gQ p/ {
q;+qIV&.: printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
TAP/gN' return FALSE;
0z.& }
$%/Zm*H return TRUE;
"qF8'58 }
I aW8 ////////////////////////////////////////////////////////////////////////////
NGNn_1 BOOL KillPS(DWORD id)
|e!Sm{#! {
*<KY^; HANDLE hProcess=NULL,hProcessToken=NULL;
9,4a?.*4~ BOOL IsKilled=FALSE,bRet=FALSE;
K/altyj` __try
y<Z8+/f`f {
U`D"L4},. & )Z JT.S if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Fik*7!XQ8 {
'8Yx printf("\nOpen Current Process Token failed:%d",GetLastError());
r3|vu"Uei __leave;
$OmtN" }
I;=}@]9 //printf("\nOpen Current Process Token ok!");
@qeI4io-n if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
?P}7AF
A(W {
p<
XjiRq __leave;
gZ 9<H q }
XBBsdldZ printf("\nSetPrivilege ok!");
KY@k4S+ ${e{# if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Fm:Ri$iT {
=VDN9-/. printf("\nOpen Process %d failed:%d",id,GetLastError());
W;2y.2* __leave;
xHHG|
u }
%ePInpb //printf("\nOpen Process %d ok!",id);
{whR/rX` if(!TerminateProcess(hProcess,1))
LFtnSB8 {
5'6Oan7dL: printf("\nTerminateProcess failed:%d",GetLastError());
r" ^P>8 __leave;
ktnsq&qNL }
s %/3X\_ IsKilled=TRUE;
s+,JwV?b }
J-b
Z`)[Q __finally
<.#i3! {
g+U6E6}1 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
[Qr#JJ if(hProcess!=NULL) CloseHandle(hProcess);
(;\JCeGA }
CPAizS return(IsKilled);
[8![UcMq }
E<Efxb'p //////////////////////////////////////////////////////////////////////////////////////////////
o#CNr5/ 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:
]v$VZ' /*********************************************************************************************
|}=xA%) ModulesKill.c
R FWJ ZN" Create:2001/4/28
K '7M\:zy Modify:2001/6/23
B/AS|i] sM Author:ey4s
c#Y/?F2p Http://www.ey4s.org 7;5SK:X%dm PsKill ==>Local and Remote process killer for windows 2k
&i$p5 **************************************************************************/
AKu]c- #include "ps.h"
b dP @^Q #define EXE "killsrv.exe"
qYF150 #define ServiceName "PSKILL"
/{|JQ'gqX 8k vG<&D #pragma comment(lib,"mpr.lib")
/'O?
8X< //////////////////////////////////////////////////////////////////////////
Z7J8%ywQ //定义全局变量
bW-9YXj% SERVICE_STATUS ssStatus;
`r+zNJ@q SC_HANDLE hSCManager=NULL,hSCService=NULL;
~nDbWv" BOOL bKilled=FALSE;
0QcC5y; char szTarget[52]=;
8Q4yllv4 //////////////////////////////////////////////////////////////////////////
{S,L %
BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
lf-1;6nyk" BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
y<|8OTT BOOL WaitServiceStop();//等待服务停止函数
9#cPEbb~ BOOL RemoveService();//删除服务函数
Wa.y7S0(@ /////////////////////////////////////////////////////////////////////////
sQwRlx int main(DWORD dwArgc,LPTSTR *lpszArgv)
Tmjcc( {
h6`v%7H? BOOL bRet=FALSE,bFile=FALSE;
]O]6O%.ao char tmp[52]=,RemoteFilePath[128]=,
G
LU7?2`t szUser[52]=,szPass[52]=;
';'gKX!9V HANDLE hFile=NULL;
}6b" JoC DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
j2^Vz{ yGj'0c:: //杀本地进程
b
v5BV if(dwArgc==2)
4z6kFQgu {
2Kwr=t if(KillPS(atoi(lpszArgv[1])))
@` 5P^H7 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
*QH~z2:[ else
xU9T8Lw printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
5d|hP4fEc lpszArgv[1],GetLastError());
<aSjK# return 0;
1K\zamBg }
upi\pXv //用户输入错误
DXyRNE<G[C else if(dwArgc!=5)
XN|[8+#U<@ {
'8Wu9 phT printf("\nPSKILL ==>Local and Remote Process Killer"
mH6\8I "\nPower by ey4s"
#7v=#Jco "\nhttp://www.ey4s.org 2001/6/23"
Qv1<)&Ft< "\n\nUsage:%s <==Killed Local Process"
<!;NJLe` "\n %s <==Killed Remote Process\n",
r?7tI0 lpszArgv[0],lpszArgv[0]);
{?X:?M_ return 1;
y8%QS* }
`?=Y^+*!- //杀远程机器进程
*{<460`!q strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
gUGMoXSTI| strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
^J~5k,7jX strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
L+K,Y:D!W Tji* \<? //将在目标机器上创建的exe文件的路径
,B 2p\ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
'u}OeS"f __try
ze"`5z26| {
_D"V^4^yqu //与目标建立IPC连接
hik.c3 if(!ConnIPC(szTarget,szUser,szPass))
2,'~' {
W>y> printf("\nConnect to %s failed:%d",szTarget,GetLastError());
Bi-x
gq'z return 1;
.VXadgM }
pddumbp printf("\nConnect to %s success!",szTarget);
b]5/IT)@O //在目标机器上创建exe文件
mlLx!5h= R+r;V ]-/ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
<H,E1kGw9 E,
bUU\bc NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
br;~}GR_h if(hFile==INVALID_HANDLE_VALUE)
.C|dGE?, {
__%){j6 printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
fL(_V/p^ __leave;
Q3<ctd\]Y }
l3N '@GO //写文件内容
'r'+$D7 while(dwSize>dwIndex)
Rt.2]eZEJ {
d~qZ;uw \)M
EM=U if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
6DVHJ+WTV {
?G>E[!8ev printf("\nWrite file %s
blx"WVqo failed:%d",RemoteFilePath,GetLastError());
B,b^_4XX$ __leave;
c8h71Cr }
BN1,R] *; dwIndex+=dwWrite;
kF-7OX0) }
o%E-K=a //关闭文件句柄
E>c*A40=.n CloseHandle(hFile);
pnpf/T{xpM bFile=TRUE;
R+# g_"1@p //安装服务
,5&
Rra/ if(InstallService(dwArgc,lpszArgv))
wd*V,ZN7 {
JD)wxoeg //等待服务结束
@Zzg^1Ilpu if(WaitServiceStop())
Z6fR2A~Q[ {
o*5b]XWw //printf("\nService was stoped!");
7Vo[zo }
Il]p >B else
(j&7`9<5 {
f?lnBvT|b //printf("\nService can't be stoped.Try to delete it.");
L-`?=- 9` }
%Y= Sleep(500);
SoHw9FtS //删除服务
J3 xi5S RemoveService();
ra
F+Bt` }
a\m0X@Q }
,a3M*}Y~3 __finally
]D_
AZI {
yRWZ/,9x //删除留下的文件
1}q(Pn2 if(bFile) DeleteFile(RemoteFilePath);
iw^"?:'% //如果文件句柄没有关闭,关闭之~
E?h'OR@_ L if(hFile!=NULL) CloseHandle(hFile);
5Z>+NKQ //Close Service handle
ZMEYF!jN if(hSCService!=NULL) CloseServiceHandle(hSCService);
,8.zbr //Close the Service Control Manager handle
I:UN2`*# if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
Ssd7]G+n: //断开ipc连接
!DBaC%TGC wsprintf(tmp,"\\%s\ipc$",szTarget);
GLA4O) WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
~p { fl? if(bKilled)
/Py`a1 printf("\nProcess %s on %s have been
:M$8<03>F killed!\n",lpszArgv[4],lpszArgv[1]);
3oC^"723 else
<z QUa printf("\nProcess %s on %s can't be
"y-/ 9C killed!\n",lpszArgv[4],lpszArgv[1]);
Tffdm }
NchEay;` return 0;
b6^#{))" }
mr+8[0 //////////////////////////////////////////////////////////////////////////
;F:Qz^=.a BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
COL_c<\ {
<3 I0$?xL NETRESOURCE nr;
~}Z'/zCZf char RN[50]="\\";
r12e26_Ab snVeOe#'S strcat(RN,RemoteName);
oz'^.+uvE strcat(RN,"\ipc$");
m }\L i] 7#sb},J{ nr.dwType=RESOURCETYPE_ANY;
^ux"<? nr.lpLocalName=NULL;
ug?#Oa nr.lpRemoteName=RN;
'ALe>\WO nr.lpProvider=NULL;
yHmNO*(
`aM8L if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
a;v;% rs return TRUE;
gcF V$ else
.~%,eF;l$ return FALSE;
*40Z}1ng }
15cgmZsS /////////////////////////////////////////////////////////////////////////
xHaoSs*C9 BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
i> PKE. {
}-PV%MNud BOOL bRet=FALSE;
$ItPUYi"; __try
oN[#C>#( {
y*j8OA.S //Open Service Control Manager on Local or Remote machine
78O5$?b;# hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
;f[@zo><r if(hSCManager==NULL)
H8$";T(I {
|"Fm<