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。
2f4c;YS OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
mh]$g<*m <1>与远程系统建立IPC连接
Af<>O$$6 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
uJ\Nga<? <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
J,Ap9HJt <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
sR.j~R <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
S>E.*]_ <6>服务启动后,killsrv.exe运行,杀掉进程
e5]AB <7>清场
=fo/+m5 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
L{pg?#\yC /***********************************************************************
gVkI=J Module:Killsrv.c
Uk6!Sb Date:2001/4/27
$SR]7GZ Author:ey4s
hspg-|R Http://www.ey4s.org @~3c;9LkY ***********************************************************************/
-5.%{Go$[ #include
=rF8[Q0K #include
7`!( 8 #include "function.c"
>t(@?*ZFT #define ServiceName "PSKILL"
Y cpO;md q04Dj-2< SERVICE_STATUS_HANDLE ssh;
QGy=JHb SERVICE_STATUS ss;
,eCXT=6 /////////////////////////////////////////////////////////////////////////
(=rv `1 void ServiceStopped(void)
"mK (?U!A {
Jx w<* ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Beg5[4@ ss.dwCurrentState=SERVICE_STOPPED;
DA~ELje^j ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
y@_?3m7B= ss.dwWin32ExitCode=NO_ERROR;
AAgA]OD, ss.dwCheckPoint=0;
fM.|#eLi ss.dwWaitHint=0;
pSFWNWQ'B SetServiceStatus(ssh,&ss);
P.DWC'IBN return;
U$uO%:4% }
0 +LloB /////////////////////////////////////////////////////////////////////////
ArK9E!`^ void ServicePaused(void)
mM>|fHGA {
or`stBx ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
&y\2:IyA ss.dwCurrentState=SERVICE_PAUSED;
x$DJ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
&S]v+wF ss.dwWin32ExitCode=NO_ERROR;
]5/U}Um ss.dwCheckPoint=0;
/GGu` f ss.dwWaitHint=0;
BxYA[#fd} SetServiceStatus(ssh,&ss);
\l5:A]J return;
ifZNl, }
: PkZ(WZ9 void ServiceRunning(void)
|3ETF|)? {
" SqKS,J ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
y/eX(l<{ ss.dwCurrentState=SERVICE_RUNNING;
ped Yf{T ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
p5VSSvV\K ss.dwWin32ExitCode=NO_ERROR;
%Oqe7Cx>+ ss.dwCheckPoint=0;
Ct+% ss.dwWaitHint=0;
[S+-ovl SetServiceStatus(ssh,&ss);
J?fh3RW9 return;
E,yK` mPp^ }
4LJ}>e /////////////////////////////////////////////////////////////////////////
:/%xK" void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
1Z8oN3 {
Nn1^#kc switch(Opcode)
d2yHfl]3 {
e/jM+%
case SERVICE_CONTROL_STOP://停止Service
^VPl>jTg ServiceStopped();
Qp&ySU8 break;
FH`&C*/F0Y case SERVICE_CONTROL_INTERROGATE:
15DK\_; SetServiceStatus(ssh,&ss);
2!?z%s-S break;
/,$\H }
uA`PZ| return;
;XQ lj?: }
R9G)X] //////////////////////////////////////////////////////////////////////////////
^QR'yt3e //杀进程成功设置服务状态为SERVICE_STOPPED
)uuEOF"w //失败设置服务状态为SERVICE_PAUSED
IF}c*uGj} //
[=3tAPpzK void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
fO!O"D5 {
aZGDtzNG5h ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Ab<Ok\e5 if(!ssh)
<>Ddxmw {
a;(zH*/XK ServicePaused();
i9k]Q(o return;
]pTw]SK }
bMOM`At>z ServiceRunning();
>=:T
ZU Sleep(100);
A=]F_ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
9Ru%E>el- //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
G5y if(KillPS(atoi(lpszArgv[5])))
RTBBb:eX ServiceStopped();
15o
*r else
(jMAa% ServicePaused();
kDl4t]j return;
P`IG9 }
Rue|<d1 /////////////////////////////////////////////////////////////////////////////
33*d/%N9 void main(DWORD dwArgc,LPTSTR *lpszArgv)
$"{3yLg {
*@n3>$ SERVICE_TABLE_ENTRY ste[2];
<i\zfa'6 ste[0].lpServiceName=ServiceName;
T_tDpq_| ste[0].lpServiceProc=ServiceMain;
BI.k On= ste[1].lpServiceName=NULL;
39aCwhh7v ste[1].lpServiceProc=NULL;
6aZt4Lw2\ StartServiceCtrlDispatcher(ste);
W%9K5(e return;
s?x>Yl
% }
bZay/ Zkj /////////////////////////////////////////////////////////////////////////////
j[J@tM# 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
~73i^3yf 下:
0ij~e< /***********************************************************************
}A)36 Module:function.c
Pn'(8bRm Date:2001/4/28
avt>saR Author:ey4s
m9<%v0r Http://www.ey4s.org :e<`U~8m ***********************************************************************/
}vUlTH #include
`KJYm|@ i ////////////////////////////////////////////////////////////////////////////
+fP/|A8P BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
FO(0D?PCR {
`\F%l?aY TOKEN_PRIVILEGES tp;
k4F"UG-` LUID luid;
xV>iL(? H(NT| if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
_95}ifSVm {
<[y$D=n printf("\nLookupPrivilegeValue error:%d", GetLastError() );
W93JY0Ls9| return FALSE;
0gOrW= }
Ueg N-n tp.PrivilegeCount = 1;
TcKvSdr' tp.Privileges[0].Luid = luid;
Y!=
k if (bEnablePrivilege)
UrhM)h?% tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
,P@/=I5 else
\n*7#aX/ tp.Privileges[0].Attributes = 0;
N;x<| %peL // Enable the privilege or disable all privileges.
G V:$; AdjustTokenPrivileges(
P"bknXL hToken,
gVnwsE FALSE,
\>Ga-gv6/ &tp,
5&?KW)6 Rz sizeof(TOKEN_PRIVILEGES),
lLkmcHu (PTOKEN_PRIVILEGES) NULL,
Jny)uo8 (PDWORD) NULL);
T}t E/ // Call GetLastError to determine whether the function succeeded.
RrO0uadmn if (GetLastError() != ERROR_SUCCESS)
Y%fVt| {
p]h*6nH>~ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
=CjNtD2] return FALSE;
0eqi1;$b] }
J+71FP`ZH return TRUE;
8Q^6ibE }
ws>WA{]gq ////////////////////////////////////////////////////////////////////////////
r:c@17 BOOL KillPS(DWORD id)
3`fJzS% O {
h6\3vfj^f HANDLE hProcess=NULL,hProcessToken=NULL;
#*Yi4Cn< BOOL IsKilled=FALSE,bRet=FALSE;
Xq,UV __try
W,HH *! {
MegE--h ^"O{o8l>2 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
x)ddRq
l {
>bfYy=/ printf("\nOpen Current Process Token failed:%d",GetLastError());
j{{~Z M __leave;
Lj&1K~U }
SZ5O89 //printf("\nOpen Current Process Token ok!");
D!bKm[T if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Uvjdx(fY[a {
KE/-VjZu __leave;
}W:*aU }
.KLm39j( printf("\nSetPrivilege ok!");
[=F>#8= j+DE|Q&]I if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Hp)X^O" {
PIZ
C;K4| printf("\nOpen Process %d failed:%d",id,GetLastError());
Gnbfy4Z __leave;
9wO/? }
qQfqlD< //printf("\nOpen Process %d ok!",id);
jM5_8nS&d if(!TerminateProcess(hProcess,1))
(Wd_G-da {
FI]P<)*r printf("\nTerminateProcess failed:%d",GetLastError());
b8J@K" __leave;
(^sh }
$; Q$W9+ IsKilled=TRUE;
L5"8G,I }
T4OguP= __finally
3iE-6udCS {
-DTB6}kw if(hProcessToken!=NULL) CloseHandle(hProcessToken);
&/Eg2 if(hProcess!=NULL) CloseHandle(hProcess);
slU }
uYFMv=>j return(IsKilled);
ry.;u*F }
-Y*VgoK% //////////////////////////////////////////////////////////////////////////////////////////////
G9DJa_]X 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:
weNzYMf% /*********************************************************************************************
SArfczoB ModulesKill.c
w3^NL(> Create:2001/4/28
q=|R89 Modify:2001/6/23
N>+ P WE$ Author:ey4s
r& vFikIz Http://www.ey4s.org A0G)imsW:_ PsKill ==>Local and Remote process killer for windows 2k
y
Wpi| **************************************************************************/
Z+g1~\ #include "ps.h"
k*5'L<& #define EXE "killsrv.exe"
mDE'<c`b4 #define ServiceName "PSKILL"
Aj[?aL G+0><,S #pragma comment(lib,"mpr.lib")
U1OFDXHG //////////////////////////////////////////////////////////////////////////
M70c{s`w5 //定义全局变量
FY$fV"s SERVICE_STATUS ssStatus;
_`H.h6h SC_HANDLE hSCManager=NULL,hSCService=NULL;
!RS9%ES_? BOOL bKilled=FALSE;
dXmV@ Noo char szTarget[52]=;
,Du@2w3Cq //////////////////////////////////////////////////////////////////////////
lWW+5 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
[`d$X^<y; BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
>ajuk BOOL WaitServiceStop();//等待服务停止函数
3P1&; BOOL RemoveService();//删除服务函数
^$!987" /////////////////////////////////////////////////////////////////////////
h;-a`@rO ; int main(DWORD dwArgc,LPTSTR *lpszArgv)
#O" {
P}0*{%jB BOOL bRet=FALSE,bFile=FALSE;
*l{yW"Su char tmp[52]=,RemoteFilePath[128]=,
oh6B3>>+ szUser[52]=,szPass[52]=;
7|YN:7iA HANDLE hFile=NULL;
qz 9tr DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
u_PuqRcs Z%m-HE:k //杀本地进程
p~K9
B-D if(dwArgc==2)
6SVqRD<` {
b.s9p7:J if(KillPS(atoi(lpszArgv[1])))
n"6;\ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Z?oG*G: else
oBA`|yW{U printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
B$^7h! lpszArgv[1],GetLastError());
cq*=|m0}Z return 0;
*5e+@rD` }
MM?`voj~`p //用户输入错误
Rs*vm else if(dwArgc!=5)
UNDi_6Dy {
Q.+|xwz printf("\nPSKILL ==>Local and Remote Process Killer"
@b2`R3}9R "\nPower by ey4s"
_tAQ=eBO "\nhttp://www.ey4s.org 2001/6/23"
C9qJP^F "\n\nUsage:%s <==Killed Local Process"
a8$kNtA "\n %s <==Killed Remote Process\n",
][d,l\gu+s lpszArgv[0],lpszArgv[0]);
X<]qU3k5 return 1;
QV qK }
o%[U //杀远程机器进程
fj>C@p strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
'9s5OTkN ; strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
{fV}gR2 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
.R5y:O /\Z J
//将在目标机器上创建的exe文件的路径
#eK= sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
BI2; ex __try
@*MC/fe {
]3B %8 //与目标建立IPC连接
Vw#{C> if(!ConnIPC(szTarget,szUser,szPass))
7\XE,;4> {
W0XF~ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
>^$2f&z return 1;
-?6MU~"GK }
J:j<"uPm printf("\nConnect to %s success!",szTarget);
4v'A\~ZU //在目标机器上创建exe文件
M2@b1; ^j )BKD- hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
R}:KE&tq E,
ZH ,4oF NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
a%BeqSZh if(hFile==INVALID_HANDLE_VALUE)
1tMQqI`N {
B*1W`f printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
wmU0E/{9] __leave;
{g6Qv- }
p?X02
>yA //写文件内容
;WU<CKYG* while(dwSize>dwIndex)
J*fBZ.NO {
(08I LN2D if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
vuQ%dDxI {
|=a}iU8 printf("\nWrite file %s
<spZ! #o failed:%d",RemoteFilePath,GetLastError());
lb*8G __leave;
*e#<n_%R }
Zm
ogM7B dwIndex+=dwWrite;
}/P5>F<H[ }
8Q{9>^ //关闭文件句柄
s;flzp8 CloseHandle(hFile);
kcie}Be bFile=TRUE;
U`|0 jJ //安装服务
)yK[ Zb[ if(InstallService(dwArgc,lpszArgv))
<M]h{BS= {
7OCwG~_^ //等待服务结束
Xjio Z if(WaitServiceStop())
Q7X3X, {
-62'}%?A<C //printf("\nService was stoped!");
%ir:ASk }
l`-bFmpA else
$_H` {
gk[{2HgN //printf("\nService can't be stoped.Try to delete it.");
`#-P[q<v- }
] b9-k Sleep(500);
6]zd.W //删除服务
'})0!g<Y RemoveService();
bI)u/ }
ENF"c$R }
"1`Oh<={b __finally
S& #U!#@ {
"P-lSF?T //删除留下的文件
wkqX^i7ls if(bFile) DeleteFile(RemoteFilePath);
|t
iUej //如果文件句柄没有关闭,关闭之~
W!!S!JF if(hFile!=NULL) CloseHandle(hFile);
jn >d*9u //Close Service handle
$;M:TpX if(hSCService!=NULL) CloseServiceHandle(hSCService);
65h @}9,U //Close the Service Control Manager handle
+Q=1AXe if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
v:Tzv^ //断开ipc连接
[.hyZ}B wsprintf(tmp,"\\%s\ipc$",szTarget);
uEyH2QO WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
ae"]\a\&1o if(bKilled)
Ofm%:}LV printf("\nProcess %s on %s have been
:1XtvH killed!\n",lpszArgv[4],lpszArgv[1]);
")O`mXg- else
^<e@uNGg printf("\nProcess %s on %s can't be
r:&`$8$ killed!\n",lpszArgv[4],lpszArgv[1]);
OouPj@r }
r78TE@d return 0;
-/{4Jf Wf }
}g# &