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。
<P=twT;P OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Jt}Bpg!J <1>与远程系统建立IPC连接
fSokm4]vg <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
E
S // <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
!*7 vFl <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
)84 ~ugs <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
l`f/4vy <6>服务启动后,killsrv.exe运行,杀掉进程
I+tb[*X+ <7>清场
NeE
t 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
q-}Fvel u /***********************************************************************
3v1iy/ / Module:Killsrv.c
bAx-"Lu Date:2001/4/27
SMpH._VFeE Author:ey4s
zo4qG+>o Http://www.ey4s.org &tg&5_ ***********************************************************************/
FG.em #include
F9,DrB,B{ #include
,Y/ g2
4R #include "function.c"
+lHjC$ #define ServiceName "PSKILL"
t%E!o0+8Z sTn<#l6 SERVICE_STATUS_HANDLE ssh;
hHV";bk SERVICE_STATUS ss;
,[P{HrHx /////////////////////////////////////////////////////////////////////////
hpO`] void ServiceStopped(void)
[PNT\ElT {
~f$|HP} ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
SAy=WV ss.dwCurrentState=SERVICE_STOPPED;
e&&53? ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
I|^;B8[ ss.dwWin32ExitCode=NO_ERROR;
B><d9d ss.dwCheckPoint=0;
hoK>~:; ss.dwWaitHint=0;
Ab{ K<:l SetServiceStatus(ssh,&ss);
)b)-ZS7 return;
xc=b
|:A }
n>BkTaI /////////////////////////////////////////////////////////////////////////
MkfBuW;) void ServicePaused(void)
[YlKR'_ {
[XEkz#{
ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
;DFSzbF` ss.dwCurrentState=SERVICE_PAUSED;
snobT Q ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
`4=^cyt+ ss.dwWin32ExitCode=NO_ERROR;
1_PoqD!q ss.dwCheckPoint=0;
&,{fw@#)_ ss.dwWaitHint=0;
<G|(|E1 SetServiceStatus(ssh,&ss);
fF7bBE)L/| return;
`d5%.N }
1Q<^8N)pf void ServiceRunning(void)
9]f!'d!5 {
tX_R_]v3 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
a7r%X - ss.dwCurrentState=SERVICE_RUNNING;
;f#v0W`5 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
p@xf^[50k ss.dwWin32ExitCode=NO_ERROR;
_m5uDF?[ ss.dwCheckPoint=0;
_K l_61k ss.dwWaitHint=0;
Enum/O5 SetServiceStatus(ssh,&ss);
%4et&zRC return;
J^SdH&%Z }
J;.wXS_U8 /////////////////////////////////////////////////////////////////////////
4|riKo) void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
E8$20Ue {
/Z'L^L%R switch(Opcode)
"{@A5A {
9K{%vK case SERVICE_CONTROL_STOP://停止Service
le/,R@]B9 ServiceStopped();
,(qRc(Ho break;
B-ngn{Yc case SERVICE_CONTROL_INTERROGATE:
.HS"}A T SetServiceStatus(ssh,&ss);
BJ$9vbhZN break;
_(%d(E2? }
<D<4BnZ( return;
"p_J8 }
$rv8K j+ //////////////////////////////////////////////////////////////////////////////
&"f"; //杀进程成功设置服务状态为SERVICE_STOPPED
n}F&1Z //失败设置服务状态为SERVICE_PAUSED
3!XjtVhK?I //
$q6BP'7 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
7K,-01-: {
_x%7@.TB ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
y{ibO}s if(!ssh)
^1iSn)& {
JEXy%hl ServicePaused();
l=S 35og return;
e6@=wnoX u }
re/@D@% ServiceRunning();
{ C=NUK%? Sleep(100);
]
o*#t //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
BLfTsNzmt //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
*scVJ if(KillPS(atoi(lpszArgv[5])))
JjPKR?[> ServiceStopped();
PF)jdcX else
j9eTCJqB ServicePaused();
-+(jq>t return;
[#-b8Cu }
@L<*9sLWh /////////////////////////////////////////////////////////////////////////////
7Ri46Tkt void main(DWORD dwArgc,LPTSTR *lpszArgv)
Xe6w| {
~
{E'@MU SERVICE_TABLE_ENTRY ste[2];
wvO|UP H\ ste[0].lpServiceName=ServiceName;
MLw7}[ ste[0].lpServiceProc=ServiceMain;
0
HGM4[)= ste[1].lpServiceName=NULL;
R.jIl@p ste[1].lpServiceProc=NULL;
U
9_9l7&r StartServiceCtrlDispatcher(ste);
UW N*j_9i return;
PDJr<E? }
E7t+E)=8 /////////////////////////////////////////////////////////////////////////////
=
s>T;| function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
Vq2y4D? 下:
HG^B#yX /***********************************************************************
u$DHVRrF< Module:function.c
Wvbf"hq Date:2001/4/28
kpJ@M%46
Author:ey4s
sD{Wxv Http://www.ey4s.org F_w
Z"e6 ***********************************************************************/
x2OaPlG,&V #include
{P*pkc ////////////////////////////////////////////////////////////////////////////
\|H!~) h$1 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
%eX{WgH {
zMj#KA1 TOKEN_PRIVILEGES tp;
En~5"yW5>] LUID luid;
',Y.v"']4 H5DC[bZMb% if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
Bc+w+ {
rM`X?>iT+ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
iq8GrdL" return FALSE;
{IxA)v-` }
AqWUwK9T tp.PrivilegeCount = 1;
(!ZM{Js% tp.Privileges[0].Luid = luid;
Q\^O64geD if (bEnablePrivilege)
S|SV$_
( tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
xQ}pu2@d else
`z{%(_+[ tp.Privileges[0].Attributes = 0;
)U~=Pf" // Enable the privilege or disable all privileges.
'qZW,],5 AdjustTokenPrivileges(
U &C!} hToken,
VPO
N-{=` FALSE,
Sh/T , &tp,
cc,^6[OH@ sizeof(TOKEN_PRIVILEGES),
FG6h,7+ (PTOKEN_PRIVILEGES) NULL,
XG}C+;4Aw (PDWORD) NULL);
z_F-T=_ // Call GetLastError to determine whether the function succeeded.
kStnb?nk if (GetLastError() != ERROR_SUCCESS)
5Sm}nH {
a][f printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
.:@Ykdm4I return FALSE;
fKeT,U`W }
GGNvu)" return TRUE;
Bzkoo J }
3L<wQ( ////////////////////////////////////////////////////////////////////////////
7op`s5i BOOL KillPS(DWORD id)
dYT% {
>pU$wq|i HANDLE hProcess=NULL,hProcessToken=NULL;
^Y=\#-Dd BOOL IsKilled=FALSE,bRet=FALSE;
k3u"A_"c __try
G0/4JSH {
[<2<Y P^A!.}d if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
[BWNRC1 {
-wp|RD,}( printf("\nOpen Current Process Token failed:%d",GetLastError());
Lhl]g^SN __leave;
BUWqIdg }
0+?7EL~ //printf("\nOpen Current Process Token ok!");
OBMTgZHxv if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
kO,zZF& {
V}J)\VZ2# __leave;
w1hPc!I }
kw#;w=\>R{ printf("\nSetPrivilege ok!");
D>HOn^ y+X2Pl if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
M.x=<:upp {
gnFr}L&j printf("\nOpen Process %d failed:%d",id,GetLastError());
C9~52+S __leave;
",^Mxm{ }
kqM045W7 //printf("\nOpen Process %d ok!",id);
]^Qn if(!TerminateProcess(hProcess,1))
?j40}
B]]d {
>[9J?H printf("\nTerminateProcess failed:%d",GetLastError());
9{(.Il J> __leave;
G~Hzec{#tg }
j"}*T IsKilled=TRUE;
u])b,9&En }
W~zbm] __finally
TOkp%@9/ {
le1}0L if(hProcessToken!=NULL) CloseHandle(hProcessToken);
C69q&S, if(hProcess!=NULL) CloseHandle(hProcess);
HW=C),*]cR }
P#RR9>Q return(IsKilled);
^Y@\1fX 4e }
SLkhCR //////////////////////////////////////////////////////////////////////////////////////////////
S& SQ OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
OHeT,@(mh /*********************************************************************************************
[Grxw[(_: ModulesKill.c
T+*%?2>q" Create:2001/4/28
mp=z Modify:2001/6/23
!D@ZYK; Author:ey4s
i&5XF Http://www.ey4s.org { &"CH]r PsKill ==>Local and Remote process killer for windows 2k
spdvZU=} **************************************************************************/
qT%FmX #include "ps.h"
I$<<(VWH #define EXE "killsrv.exe"
d/ARm-D #define ServiceName "PSKILL"
eZSNNgD<: =osv3>&q #pragma comment(lib,"mpr.lib")
e7m*rh%5> //////////////////////////////////////////////////////////////////////////
JTr vnA //定义全局变量
SSPHhAeH8 SERVICE_STATUS ssStatus;
nSW=LjrO~< SC_HANDLE hSCManager=NULL,hSCService=NULL;
eCqHvMp BOOL bKilled=FALSE;
XiL~TCkx4 char szTarget[52]=;
t/cY=Wp //////////////////////////////////////////////////////////////////////////
j7jCm: BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
;%<,IdhN BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
@ o3T BOOL WaitServiceStop();//等待服务停止函数
=<{np BOOL RemoveService();//删除服务函数
)+[ gd/<C. /////////////////////////////////////////////////////////////////////////
UmKI1l int main(DWORD dwArgc,LPTSTR *lpszArgv)
iH/6M {
d{SG
Cr 9d BOOL bRet=FALSE,bFile=FALSE;
:+qF8t[L char tmp[52]=,RemoteFilePath[128]=,
l5zS szUser[52]=,szPass[52]=;
*A"~m!= HANDLE hFile=NULL;
;5zz<;Zy DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
x c/}#>ED E7.2T^o;M //杀本地进程
g+pml*LJ if(dwArgc==2)
K? y[V1, {
x[$z({Yf if(KillPS(atoi(lpszArgv[1])))
)2bvQy8K printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
4x else
(#Wu#F1; printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
1DE1.1 lpszArgv[1],GetLastError());
;A]@4*q return 0;
PmKeF} }
%>~sJ0 //用户输入错误
4kBaB else if(dwArgc!=5)
i+p^ ^t\ {
,cB\ printf("\nPSKILL ==>Local and Remote Process Killer"
+z9Q-d%O "\nPower by ey4s"
*v9 2 "\nhttp://www.ey4s.org 2001/6/23"
d/BM&r "\n\nUsage:%s <==Killed Local Process"
LcUh;=r}& "\n %s <==Killed Remote Process\n",
yf[~Yl>Ogw lpszArgv[0],lpszArgv[0]);
-=~| ."O return 1;
CDP
U\ZG }
{OXFN;2 //杀远程机器进程
L1cI`9 strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
ZUoxMm
strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
\6R,Nq strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
:-/M?,Q" t.7? //将在目标机器上创建的exe文件的路径
\/: {)T~ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
n?- }) __try
{so`/EWa {
[H6hyG~ //与目标建立IPC连接
3BtaH#ZY if(!ConnIPC(szTarget,szUser,szPass))
bn!HUM, {
l|kSsP:GO printf("\nConnect to %s failed:%d",szTarget,GetLastError());
FFu9&8Y return 1;
,.kha8v }
CIb2J)qev printf("\nConnect to %s success!",szTarget);
ti
I.W //在目标机器上创建exe文件
M luVx' : cF[(i/k4 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
^Wt* E,
xT NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
.(^ ,z& if(hFile==INVALID_HANDLE_VALUE)
f33 l$pOp {
- `p4-J!Fy printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
gk"$,\DI __leave;
@GdbTd }
";3zXk[# //写文件内容
Qa-K$dm% while(dwSize>dwIndex)
sj HrPs e {
I'uSp-Sfy L)@?e?9 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
M<kj_.
{
B56L1^7 printf("\nWrite file %s
!,6c ~ w failed:%d",RemoteFilePath,GetLastError());
{(r`k;fB __leave;
6)Y.7 XR }
X]wRwG dwIndex+=dwWrite;
;#vKi0V7 }
whi`Z:~ //关闭文件句柄
23Nw!6S CloseHandle(hFile);
;\14b?TUH bFile=TRUE;
]x(e&fyHB //安装服务
|8My42yf if(InstallService(dwArgc,lpszArgv))
u~WVGjoQ {
5hQE4/hH //等待服务结束
TFkZp e; if(WaitServiceStop())
A
Q'J9 {
g^}8:,F_ //printf("\nService was stoped!");
u>kN1k Q8 }
YoBPLS`K else
{q`jDDM {
+yk24
`> //printf("\nService can't be stoped.Try to delete it.");
g*03{l#P }
inh=WUEW Sleep(500);
Z0Vl+ //删除服务
|mGFts}0o' RemoveService();
$}>+kHoT{ }
}bdmomV }
W-?()dX{ __finally
]6TATPIr {
ms*(9l.hOK //删除留下的文件
I%sFqh> if(bFile) DeleteFile(RemoteFilePath);
o<COm9)i //如果文件句柄没有关闭,关闭之~
0K`#>}W#X if(hFile!=NULL) CloseHandle(hFile);
y5?RVlKJ //Close Service handle
Ji>o! if(hSCService!=NULL) CloseServiceHandle(hSCService);
!cO]<