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。
V#t_gS OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Ej(Jj\ <1>与远程系统建立IPC连接
x *Lt]]A <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
+&Ld`d!n <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
tgK
I <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
'$K E=Jy <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
dj0; tQ=C <6>服务启动后,killsrv.exe运行,杀掉进程
tMIYVHGy <7>清场
]A#lV$ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
^:eZpQ [, /***********************************************************************
RK>Pe3< Module:Killsrv.c
K7+yU3 Date:2001/4/27
WSkGVQu Author:ey4s
h+ f>#O+: Http://www.ey4s.org 0B
NLTRv ***********************************************************************/
VM"cpC_8 #include
_'u]{X\k{J #include
4q$~3C[ #include "function.c"
rz?Cn
X.t #define ServiceName "PSKILL"
Zp_(vOc d2
^}ooE SERVICE_STATUS_HANDLE ssh;
3^ Yc% SERVICE_STATUS ss;
Y?VbgOM) /////////////////////////////////////////////////////////////////////////
U2oCSo5:3N void ServiceStopped(void)
?9b9{c'an {
+]db- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
}I"C4'(a ss.dwCurrentState=SERVICE_STOPPED;
|y\Km ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
/HC:H,"i ss.dwWin32ExitCode=NO_ERROR;
[m
t.2 . ss.dwCheckPoint=0;
f^WTsh] ss.dwWaitHint=0;
--$o$EP` SetServiceStatus(ssh,&ss);
v<qh;2 return;
'=\}dav! }
!d*[QD8 /////////////////////////////////////////////////////////////////////////
GXNf@& void ServicePaused(void)
CT|+? {
Kz4S6N c ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
)s2] -n}W ss.dwCurrentState=SERVICE_PAUSED;
=P-&dN ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
)*|/5wW1 ss.dwWin32ExitCode=NO_ERROR;
P:qmg"i@3 ss.dwCheckPoint=0;
K~x,so ss.dwWaitHint=0;
T5BZD
+Ta SetServiceStatus(ssh,&ss);
weitDr6 return;
wucdXj{% }
VSj!Gm0LB void ServiceRunning(void)
~xH&"1 {
!XA3G`}p6s ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
?0tg}0| ss.dwCurrentState=SERVICE_RUNNING;
BxY t*b% ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
h$>F}n
j ss.dwWin32ExitCode=NO_ERROR;
s:`i~hjq ss.dwCheckPoint=0;
85{m+1O~ ss.dwWaitHint=0;
o9?@jjqH SetServiceStatus(ssh,&ss);
+>w]T\[1~ return;
prBLNZp }
0ju1>.p /////////////////////////////////////////////////////////////////////////
q!c(~UVw void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
<Ox[![SR {
<3YZ0f f> switch(Opcode)
]`E+HLEQ' {
,!ZuH?Z case SERVICE_CONTROL_STOP://停止Service
D-3[#~MV ServiceStopped();
|Td+,>, break;
4DXbeQs: case SERVICE_CONTROL_INTERROGATE:
CU$khz" SetServiceStatus(ssh,&ss);
aM^iDJ$> break;
)oEVafNsT }
)fH
Q7 return;
-!\3;/ }
\?:L>-&h8 //////////////////////////////////////////////////////////////////////////////
h\m35'v! //杀进程成功设置服务状态为SERVICE_STOPPED
b^Hrzn //失败设置服务状态为SERVICE_PAUSED
idmU.` //
QbU5FPiN void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
TFVQfj$r {
,N/@=As9$ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
D{|q P
nE4 if(!ssh)
E3L?6Qfx> {
vNv?trw ServicePaused();
T}~TW26v return;
BT{;^Hp }
J=V ServiceRunning();
yr]ja-Y Sleep(100);
\}-4(Xdaq //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
y)f.ON36I //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
!`ol&QQ# if(KillPS(atoi(lpszArgv[5])))
1I Yip\:lS ServiceStopped();
Pms@!yce else
w$gvgz ServicePaused();
R^Rc!G} return;
`i{d"H0E }
B`tq*T% /////////////////////////////////////////////////////////////////////////////
r4.6W[|d void main(DWORD dwArgc,LPTSTR *lpszArgv)
T&U}}iWN {
eK8H5YE SERVICE_TABLE_ENTRY ste[2];
e~h>b.~ ste[0].lpServiceName=ServiceName;
)W@ug,y ste[0].lpServiceProc=ServiceMain;
6|97;@94 ste[1].lpServiceName=NULL;
pMF
vL ste[1].lpServiceProc=NULL;
S"Al[{ StartServiceCtrlDispatcher(ste);
:,BAw , return;
5Iu5N0cn }
bT,:eA /////////////////////////////////////////////////////////////////////////////
@xG&K{j 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
Z\$HgG 下:
uL'f8Pqg /***********************************************************************
N_t,n^i9>* Module:function.c
(1/Sf&2i Date:2001/4/28
&\zYbGU Author:ey4s
F<4rn Http://www.ey4s.org ;w{<1NH2+. ***********************************************************************/
*miG< #include
GR,2^]<{ ////////////////////////////////////////////////////////////////////////////
$+gQnI3w BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Ht`fC|E {
/iW+<@Mas TOKEN_PRIVILEGES tp;
$Dg-;I LUID luid;
l![M,8 NW|B|kc if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
e8a^"Z`a {
D(cD8fn,J printf("\nLookupPrivilegeValue error:%d", GetLastError() );
p l)":}/) return FALSE;
uLms0r\@! }
zal]t$z> tp.PrivilegeCount = 1;
_S!^=9bJ tp.Privileges[0].Luid = luid;
!0
7jr%-~ if (bEnablePrivilege)
d[9,J?'OQ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
p^l#Wq5 else
uH_KOiF tp.Privileges[0].Attributes = 0;
dg D-"-O // Enable the privilege or disable all privileges.
mY|c7}>V; AdjustTokenPrivileges(
Q+CJd>B hToken,
; :e7Z^\/k FALSE,
[V}vd@*k &tp,
:4AQhn^;" sizeof(TOKEN_PRIVILEGES),
xBHf~:! (PTOKEN_PRIVILEGES) NULL,
LUbhTc (PDWORD) NULL);
glAS$< // Call GetLastError to determine whether the function succeeded.
YV>a 3 if (GetLastError() != ERROR_SUCCESS)
+]l?JKV {
t@KTiJI
] printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
ulR yt^bx| return FALSE;
eAHY/Y! }
dT`nR" return TRUE;
2:LUB)&i }
\%-<O ////////////////////////////////////////////////////////////////////////////
#83 BOOL KillPS(DWORD id)
B<W}:>3 {
~tUZQ5" HANDLE hProcess=NULL,hProcessToken=NULL;
B'/U#>/ BOOL IsKilled=FALSE,bRet=FALSE;
Y;af|?U*6: __try
:kZ]Swi 5 {
g
pciv tqZ91QpW if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
G<Z}G8FW^ {
j/V_h'} printf("\nOpen Current Process Token failed:%d",GetLastError());
a%q,P @8 __leave;
L03I:IJ }
,>|tQ' //printf("\nOpen Current Process Token ok!");
4S(G366 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
'!>9j,BJ {
TtJX(N~ __leave;
#rHMf%0 }
>^8O :. printf("\nSetPrivilege ok!");
4vg,g(qi< ;QZG< if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
[[T7s(3 {
Gm+D1l i printf("\nOpen Process %d failed:%d",id,GetLastError());
@= <{_p __leave;
iBE|6+g~Cj }
]H`wE_2tu //printf("\nOpen Process %d ok!",id);
XT0-"-q if(!TerminateProcess(hProcess,1))
I!zoo[/)% {
Zf M]A) printf("\nTerminateProcess failed:%d",GetLastError());
&zn|), __leave;
h]zok}$ }
j)ic7b IsKilled=TRUE;
h(WlJCln }
yf{\^^ i( __finally
a-*sm~u {
su0K#*P&I
if(hProcessToken!=NULL) CloseHandle(hProcessToken);
^;II@n
i if(hProcess!=NULL) CloseHandle(hProcess);
"t2T*'j{ }
hu-]SGb6 return(IsKilled);
hl]d99Lc }
k(f),_ //////////////////////////////////////////////////////////////////////////////////////////////
1P]J3o 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:
HSud$(w /*********************************************************************************************
/{R
^J# ModulesKill.c
fMwF|; Create:2001/4/28
qJ" (:~ Modify:2001/6/23
s.(.OXD& Author:ey4s
y9}qB:[bR Http://www.ey4s.org W *0!Z:? PsKill ==>Local and Remote process killer for windows 2k
4n#u?) **************************************************************************/
H
Qj,0#J) #include "ps.h"
m.P
F'_)/ #define EXE "killsrv.exe"
]n=z(2Z9lD #define ServiceName "PSKILL"
$y;w@^ II^Rp],> #pragma comment(lib,"mpr.lib")
'q}Ud10c //////////////////////////////////////////////////////////////////////////
Y1o[|ytW //定义全局变量
QXI~Toddj SERVICE_STATUS ssStatus;
@Z0. }}Y SC_HANDLE hSCManager=NULL,hSCService=NULL;
n6[shXH BOOL bKilled=FALSE;
5ncW
s) char szTarget[52]=;
1uo |a //////////////////////////////////////////////////////////////////////////
hMupQDv/I BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
{F_>cyR BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
*b;)7lj0h BOOL WaitServiceStop();//等待服务停止函数
Tw \@]fw BOOL RemoveService();//删除服务函数
HubG>] /////////////////////////////////////////////////////////////////////////
'4{@F~fu int main(DWORD dwArgc,LPTSTR *lpszArgv)
~vP_c(8f {
C,;?`3bH@ BOOL bRet=FALSE,bFile=FALSE;
J^t0M\ char tmp[52]=,RemoteFilePath[128]=,
`+=Zq :0 szUser[52]=,szPass[52]=;
C,,T7(: k HANDLE hFile=NULL;
aT/2rMKPF DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
BTsvL>Wy xb7!!PR //杀本地进程
bLTX_
R if(dwArgc==2)
W'Gh:73'} {
VK4UhN2 if(KillPS(atoi(lpszArgv[1])))
l="(Hp%b printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
"P.sKhuo else
Cpzd k~+H printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
tzl,r"k3 lpszArgv[1],GetLastError());
[1~3\-Y return 0;
%B&O+~ }
.KYs5Qu //用户输入错误
pg!mOyn else if(dwArgc!=5)
.aL%}`8l? {
0gyvRM@ x[ printf("\nPSKILL ==>Local and Remote Process Killer"
D}%VZA}]. "\nPower by ey4s"
EAY+#>L* "\nhttp://www.ey4s.org 2001/6/23"
q2k}bb + "\n\nUsage:%s <==Killed Local Process"
-X *.scw "\n %s <==Killed Remote Process\n",
!}A`6z lpszArgv[0],lpszArgv[0]);
4PC'7V=S return 1;
y2k's }
DvN_}h^nX //杀远程机器进程
UB] tKn strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
depCqz@ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
9[t-W:3c7 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
:z?T/9,C
zCq6k7u //将在目标机器上创建的exe文件的路径
WKr4S<B8mr sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
(*26aMp __try
YTgT2w {
vU/sQt8 //与目标建立IPC连接
qHrIs-NR if(!ConnIPC(szTarget,szUser,szPass))
"%
i1zQo& {
$sL+k 'dY printf("\nConnect to %s failed:%d",szTarget,GetLastError());
<)cmI .J3 return 1;
,:.8s>+i }
KW0KXO06a printf("\nConnect to %s success!",szTarget);
c5CxR#O //在目标机器上创建exe文件
a"+VP>4 b6 g9! hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
4&]NC2I E,
GNG.N)q#C NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
qvsfU*wo? if(hFile==INVALID_HANDLE_VALUE)
q9zeN:>< {
7DW-brd
printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
)W @ __leave;
4P2p|Gc3 }
O[ans_8 //写文件内容
/|Gz<nSc while(dwSize>dwIndex)
p<VW;1bt5 {
4J[bh Z\-Gr
2k if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
7|m{hSc {
hHt.No printf("\nWrite file %s
;r;>4+zn\ failed:%d",RemoteFilePath,GetLastError());
L8;`*H __leave;
e mq%"
;. }
$YBH;^# dwIndex+=dwWrite;
ieyqp~+|4$ }
c1]\.s //关闭文件句柄
a`||ePb|W~ CloseHandle(hFile);
y9:o];/ bFile=TRUE;
fQU_A //安装服务
a.<!>o<t: if(InstallService(dwArgc,lpszArgv))
@S012} xH {
?!34qh //等待服务结束
+c'I7bBr if(WaitServiceStop())
Mf:x9# {
!OH'pC5 //printf("\nService was stoped!");
5OFb9YX }
51%<N\>/4 else
D@mqfi(x {
{.,y v>% //printf("\nService can't be stoped.Try to delete it.");
ht)KS9Xu }
4.&et()} Sleep(500);
7_7^&.Hh //删除服务
piUfvw RemoveService();
<>1*1%m }
3'Z+PPd!
}
U&tR1v' __finally
J0Y-e39 ` {
d#- <=6 //删除留下的文件
?y{"OuRf. if(bFile) DeleteFile(RemoteFilePath);
H~qY7t //如果文件句柄没有关闭,关闭之~
A`1/g{Ha if(hFile!=NULL) CloseHandle(hFile);
\?\q0o<V$ //Close Service handle
6? (8KsaN if(hSCService!=NULL) CloseServiceHandle(hSCService);
dZbG#4oO //Close the Service Control Manager handle
Ks7kaX if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
hWu#}iN //断开ipc连接
-E!V;Tgc%U wsprintf(tmp,"\\%s\ipc$",szTarget);
h9{'w WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
l\-(li
H if(bKilled)
YwM;G
g3 printf("\nProcess %s on %s have been
r(=3yd/G$ killed!\n",lpszArgv[4],lpszArgv[1]);
01^W Py9l else
w*N9p8hb] printf("\nProcess %s on %s can't be
M8lR#2n| killed!\n",lpszArgv[4],lpszArgv[1]);
LYiz:cQh }
zPoIs@ return 0;
~oBSf+N }
+hvVoBCM* //////////////////////////////////////////////////////////////////////////
?9H.JR2s% BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
!NOvKC! {
Y|i!\Ae NETRESOURCE nr;
[+y/qx79 char RN[50]="\\";
cXokq -1u N
Z{0 strcat(RN,RemoteName);
`Tf<w+H strcat(RN,"\ipc$");
D&)gcO`\ 0:Lm=9o nr.dwType=RESOURCETYPE_ANY;
cE=v566 nr.lpLocalName=NULL;
IF*kLl? nr.lpRemoteName=RN;
hE/y"SP3 nr.lpProvider=NULL;
1z(y>`ZBq >&9Iy" if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
<tTn$<b return TRUE;
g'b)] Q else
cYTX)]^u return FALSE;
j&?NE1D>I }
:U;ZBs3 /////////////////////////////////////////////////////////////////////////
,Gd8 <