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。
S;~g3DCd OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
gzBy?r> r <1>与远程系统建立IPC连接
%)[+%57{ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
Jg]'+>,J <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
o
}3uo6GIB <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
2H/Z_+\ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
YX=2jI <6>服务启动后,killsrv.exe运行,杀掉进程
BBH0OiV= <7>清场
`Ja?fI'H- 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
j=*l$RG /***********************************************************************
p/JL9@:' Module:Killsrv.c
=8r 0 (c Date:2001/4/27
?+g`HTY u Author:ey4s
S!Omy:=;i Http://www.ey4s.org ]?Fi$3Lm ***********************************************************************/
Vw#_68EybM #include
)uK{uYQl #include
CM<]ZG7 #include "function.c"
#
altx=6' #define ServiceName "PSKILL"
$U$V?xuE 5k6mmiaKk SERVICE_STATUS_HANDLE ssh;
Z|_K6v/c SERVICE_STATUS ss;
GwG4LIp /////////////////////////////////////////////////////////////////////////
'"?C4mbSl void ServiceStopped(void)
KhCzD[tf {
TMs,j!w?I ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
lc2 i`MC ss.dwCurrentState=SERVICE_STOPPED;
Z4A!U~ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
W%.v.0 ss.dwWin32ExitCode=NO_ERROR;
j
[rB"N`0 ss.dwCheckPoint=0;
|,#t^'S! ss.dwWaitHint=0;
rsF\JQk SetServiceStatus(ssh,&ss);
yu6`66h) return;
ZunCKc }
d"5oD@JG: /////////////////////////////////////////////////////////////////////////
Y4cYZS47 void ServicePaused(void)
1"pI^Ddt {
|\n@3cIK ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
sf OHl ss.dwCurrentState=SERVICE_PAUSED;
] GHt" ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
{NPuu?& ss.dwWin32ExitCode=NO_ERROR;
1G0fp:\w ss.dwCheckPoint=0;
GK9/D|h4 ss.dwWaitHint=0;
%]gn?`O SetServiceStatus(ssh,&ss);
Rw6;Z return;
s:2|c]wQ#R }
~6pr0uyO` void ServiceRunning(void)
t^xTFn {
z-@=+4~ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
3I!?e!y3( ss.dwCurrentState=SERVICE_RUNNING;
^ K7ic,{ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
%.<H=!$ ss.dwWin32ExitCode=NO_ERROR;
JOb*-q|y ss.dwCheckPoint=0;
j:}J}P ss.dwWaitHint=0;
:}h>by= SetServiceStatus(ssh,&ss);
qS/V"|G( return;
4B4Z])$3 }
G
[:N0{v5 /////////////////////////////////////////////////////////////////////////
|y h\ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
xXY.AoO6 {
:U
d switch(Opcode)
rwniOQe {
DNR~_3Aq case SERVICE_CONTROL_STOP://停止Service
1=|7mehL% ServiceStopped();
{^m(,K_ break;
?_oF :*~\ case SERVICE_CONTROL_INTERROGATE:
277ASCWLkU SetServiceStatus(ssh,&ss);
UWZa|I~:J break;
e/*$^i+S }
m6MOW& return;
V~T@6S }
E]J:~H'Er //////////////////////////////////////////////////////////////////////////////
R g?1-|Tj //杀进程成功设置服务状态为SERVICE_STOPPED
AsPx? //失败设置服务状态为SERVICE_PAUSED
;>%~9j1C //
t4qej void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
;Og&FFs' {
0x11
vr! ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
>Jw6l0z if(!ssh)
qC_mu)6 {
8 F2| ServicePaused();
'lo return;
o7TN,([W }
RQkyCAGx ServiceRunning();
iJv48#'ii Sleep(100);
xr qv@/kJ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
y8s!M //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
[3W*9j if(KillPS(atoi(lpszArgv[5])))
;uqx@sx ; ServiceStopped();
E"%2) else
aYn8^ ServicePaused();
hKNY+S})g return;
3IR
^ }
/({;0I*!i /////////////////////////////////////////////////////////////////////////////
B_ja&) !s1 void main(DWORD dwArgc,LPTSTR *lpszArgv)
.}k(L4T|= {
`k;KBW SERVICE_TABLE_ENTRY ste[2];
ZUp\Ep} ste[0].lpServiceName=ServiceName;
FG%j{_Ez ste[0].lpServiceProc=ServiceMain;
\dlph ste[1].lpServiceName=NULL;
z305{B:Y ste[1].lpServiceProc=NULL;
;' nL:\ StartServiceCtrlDispatcher(ste);
>sD4R}\}) return;
w-b' LP }
'.Ym!r~wL /////////////////////////////////////////////////////////////////////////////
p0{EQT`tMG 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
KECElK3uj 下:
yMc:n"-[ /***********************************************************************
Jz:r7w{4eB Module:function.c
8ZcU[8r Date:2001/4/28
J9%@VZut Author:ey4s
[pg}S#A Http://www.ey4s.org |!H?+Jj: ***********************************************************************/
C#i UP|7hh #include
{%.Lk'#9 ////////////////////////////////////////////////////////////////////////////
4KI [D{ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
xU
S]P)R {
(X +s-4% TOKEN_PRIVILEGES tp;
m,> LUID luid;
m7=1%6FN3 #FYAV%pi if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
#hL*rbpT {
j2M+]Zp. printf("\nLookupPrivilegeValue error:%d", GetLastError() );
2X88: return FALSE;
zTo8OPr }
~u&|G$1!0 tp.PrivilegeCount = 1;
U@Tj B tp.Privileges[0].Luid = luid;
-$<O\5cAQ if (bEnablePrivilege)
~|Z'l%<Os tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
s?3i)Ymr else
!umEyd@ " tp.Privileges[0].Attributes = 0;
G{x[uE2X&f // Enable the privilege or disable all privileges.
[9mL $;M
W AdjustTokenPrivileges(
@!Hr|k| hToken,
}:z5t,u6 FALSE,
h:/1X'
3d &tp,
cPn+<M# sizeof(TOKEN_PRIVILEGES),
,>LRa (PTOKEN_PRIVILEGES) NULL,
la$%H<,7 (PDWORD) NULL);
MS<SAD>w // Call GetLastError to determine whether the function succeeded.
*Q}[ ]g if (GetLastError() != ERROR_SUCCESS)
(LJ@SeM; {
E-ZRG!)[v printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
99OD=pxQ return FALSE;
kw,$NK' }
mzD^Y<LTd return TRUE;
zz_[S{v!# }
"DSPPE&[c ////////////////////////////////////////////////////////////////////////////
5V-jMB BOOL KillPS(DWORD id)
$R^AEa7 {
Q;h3v1GC\P HANDLE hProcess=NULL,hProcessToken=NULL;
o%y;(|4t > BOOL IsKilled=FALSE,bRet=FALSE;
V+Xl9v4O __try
I<h=Cj[[ {
*(GZ^QH. 8v
yG*UK if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
{UH9i'y:t {
U!e6FHj7 printf("\nOpen Current Process Token failed:%d",GetLastError());
2L\3S ukj __leave;
.tF|YP== }
{<w
+3Va //printf("\nOpen Current Process Token ok!");
zPZF|%| if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
TSo:7&| {
(E($3t8 __leave;
:WXf.+IA }
Xt,X_o2m|] printf("\nSetPrivilege ok!");
)u@c3?$6 MonS hIz
if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
FfM nul {
])y{BlZ printf("\nOpen Process %d failed:%d",id,GetLastError());
zW4O4b$T __leave;
]UNZd/hIL }
Fa3gJ[ZAqf //printf("\nOpen Process %d ok!",id);
aW{L7N % if(!TerminateProcess(hProcess,1))
EZ#gp^$ {
}qC SS<a printf("\nTerminateProcess failed:%d",GetLastError());
H3 m8 __leave;
3vJ12= }
d*;$AYI#R IsKilled=TRUE;
$W!]fcZlB }
.
%(^mK)zQ __finally
<9@7,2 {
e ^e$mtI if(hProcessToken!=NULL) CloseHandle(hProcessToken);
MV+i{] if(hProcess!=NULL) CloseHandle(hProcess);
3;$bS<> }
PDw{R]V+ return(IsKilled);
d,'!.#e }
]1fZupM^6 //////////////////////////////////////////////////////////////////////////////////////////////
"D> ]ES%5 OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
ValS8V*N1 /*********************************************************************************************
pbB2wt ModulesKill.c
&v#`t~ Create:2001/4/28
:d'65KMi Modify:2001/6/23
K&pM o. Author:ey4s
dc^Vc{26Z Http://www.ey4s.org }.%s
xw PsKill ==>Local and Remote process killer for windows 2k
;; LuU<,$ **************************************************************************/
aIGn9:\ #include "ps.h"
2mJ:c #define EXE "killsrv.exe"
0B3 QVbp' #define ServiceName "PSKILL"
fwmLJ5o
N F+j O*F2h #pragma comment(lib,"mpr.lib")
t*+! n.p //////////////////////////////////////////////////////////////////////////
t.3\/ //定义全局变量
0 K3Hf^>m SERVICE_STATUS ssStatus;
jmW^`%;7 SC_HANDLE hSCManager=NULL,hSCService=NULL;
:|XCnK0 BOOL bKilled=FALSE;
`*9EKj char szTarget[52]=;
|Is'-g! //////////////////////////////////////////////////////////////////////////
irFc}.dI BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
a%[q
|oyR BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
)|T`17- BOOL WaitServiceStop();//等待服务停止函数
p~>_T7ze BOOL RemoveService();//删除服务函数
{'(ej5,6 /////////////////////////////////////////////////////////////////////////
\JU ~k5j int main(DWORD dwArgc,LPTSTR *lpszArgv)
h=f6~5l5 {
_O52ai><b BOOL bRet=FALSE,bFile=FALSE;
oMTY)`me char tmp[52]=,RemoteFilePath[128]=,
Ve:&'~F2 s szUser[52]=,szPass[52]=;
PHkDb/HIx| HANDLE hFile=NULL;
?Y`zg` DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
A c:\c7M; *98Ti| //杀本地进程
>6K4b/.5w if(dwArgc==2)
m'.T2e.u {
4]"w b5% if(KillPS(atoi(lpszArgv[1])))
y''0PSfb# printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
<lx^aakk! else
3W j,} printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
wF;B@ lpszArgv[1],GetLastError());
U(A4v0T return 0;
9 x [X< }
LD@7(?mlU //用户输入错误
7ti< else if(dwArgc!=5)
;l`X!3 {
/Hk07:"c printf("\nPSKILL ==>Local and Remote Process Killer"
;E2kT
GT "\nPower by ey4s"
XZBj=2~-3 "\nhttp://www.ey4s.org 2001/6/23"
j&llrN "\n\nUsage:%s <==Killed Local Process"
c9|a$^I6 "\n %s <==Killed Remote Process\n",
vcOsq#UW lpszArgv[0],lpszArgv[0]);
B}k'@;G return 1;
77_g}N }
`wV|q~ //杀远程机器进程
+QupM strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
^^Bm$9 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Uf[T _ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
)6C`&Mj $:]tcY-L9 //将在目标机器上创建的exe文件的路径
$nc, ?)i! sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
oYg/*k7EDX __try
D3]@i&^B {
)T<D6l
Lt //与目标建立IPC连接
~"5C${~{ if(!ConnIPC(szTarget,szUser,szPass))
qV?sg {
(JvQ-H printf("\nConnect to %s failed:%d",szTarget,GetLastError());
Z_jn27AC return 1;
.='3bQ(UZ4 }
`&G} printf("\nConnect to %s success!",szTarget);
]g7HEB.Y //在目标机器上创建exe文件
cCYl$Ms kZ #_,uE9 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
WxDb3l~ E,
xLLC)~ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
,?#*eJD if(hFile==INVALID_HANDLE_VALUE)
FB.!`%{ {
~\-r printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
j$%yw4dsj __leave;
)j(fWshP }
J,`_,T //写文件内容
j`+0.Zlq while(dwSize>dwIndex)
F42TKPN^uu {
v?%0~! Flne=ij6g if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
uJm #{[ {
1uY3[Z9S printf("\nWrite file %s
,?;sT`Mh) failed:%d",RemoteFilePath,GetLastError());
5@CpP-W# __leave;
A@\qoS[ }
Bd.Z+#%l" dwIndex+=dwWrite;
Yo@m50s$ }
]zy~@,\ //关闭文件句柄
oFwG+W/ CloseHandle(hFile);
widI
s[
) bFile=TRUE;
)fy<P;g //安装服务
~t$mw, if(InstallService(dwArgc,lpszArgv))
A&;EV#]ge {
hq]xmM?& //等待服务结束
u% r!?-z if(WaitServiceStop())
N!.kq4$. {
ja L$LJV //printf("\nService was stoped!");
EI%M
Azj} }
= ]WW'~ else
%
i%ew4 {
%f>X-*}NI- //printf("\nService can't be stoped.Try to delete it.");
(v|ixa }
p"g1V7B Sleep(500);
CL
EpB2_ //删除服务
)#)nBM2\ RemoveService();
;K>{_kf }
)A"ZV[eOoQ }
kT>r<`rt __finally
e!.7no {
rL.<Z@- //删除留下的文件
^l&nB