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。
Tki/d\!+ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
!9xANSb <1>与远程系统建立IPC连接
,'CWt]OS' <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
7&V^BW <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
|.O!zRm <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
F.pHL)37 <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
BddECY,z <6>服务启动后,killsrv.exe运行,杀掉进程
4c[)}8\ <7>清场
6BU0hV 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
mqk(UOK` /***********************************************************************
&17,]# 3 Module:Killsrv.c
t"/"Ge#a Date:2001/4/27
Xm:=jQn Author:ey4s
iWM7,=1+ Http://www.ey4s.org c4>sE[] ***********************************************************************/
uuYH6bw*d #include
#r.` V!= #include
%;(|KrUN #include "function.c"
_~ZQ b #define ServiceName "PSKILL"
xPMyG); BX(d"z b< SERVICE_STATUS_HANDLE ssh;
?ZHE8 SERVICE_STATUS ss;
?h )3S7 /////////////////////////////////////////////////////////////////////////
I49l2> void ServiceStopped(void)
zc/%1 {
>Ug?O~- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
w<~<(5mM5; ss.dwCurrentState=SERVICE_STOPPED;
}SMJD ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
MIlCUk ss.dwWin32ExitCode=NO_ERROR;
XDdcq ]*| ss.dwCheckPoint=0;
&lPBqw ss.dwWaitHint=0;
@=NVOJy}c SetServiceStatus(ssh,&ss);
e*2&s5 #RT return;
(Ef2
w[' }
f:[d]J| /////////////////////////////////////////////////////////////////////////
w}W@M,.^ void ServicePaused(void)
NnLhJPh {
.aismc`= ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
6"Lsui?? ss.dwCurrentState=SERVICE_PAUSED;
~26s7S} ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
FK@ f' ss.dwWin32ExitCode=NO_ERROR;
AIl$qPKj& ss.dwCheckPoint=0;
oIvnF:c ss.dwWaitHint=0;
vbA7I<; SetServiceStatus(ssh,&ss);
A2|o=mOH return;
\gp,Txueb }
AO}i@YJth void ServiceRunning(void)
_Hd1sx {
A_jB|<bjTP ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
sO6g IPU^ ss.dwCurrentState=SERVICE_RUNNING;
4/2RfDp ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
5&HT$"H: ss.dwWin32ExitCode=NO_ERROR;
&AQ;ze ss.dwCheckPoint=0;
a(ux?V)E. ss.dwWaitHint=0;
%kZ~xbY SetServiceStatus(ssh,&ss);
g/l0}% return;
&=z1$ih>2\ }
o7Cnyy#: /////////////////////////////////////////////////////////////////////////
*]m kyAhi void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
uZ/7t(fy {
N{^>MRK=5 switch(Opcode)
g\qL}: {
n=G>y7b case SERVICE_CONTROL_STOP://停止Service
| 3N.5{ ServiceStopped();
sm2p$3v break;
/=muj9|+s case SERVICE_CONTROL_INTERROGATE:
D]pK=247 SetServiceStatus(ssh,&ss);
7"n)/;la break;
6)#- 5m }
)&Kn(l) return;
+e0dV_T_> }
T Oco({/_/ //////////////////////////////////////////////////////////////////////////////
fXu~69_ //杀进程成功设置服务状态为SERVICE_STOPPED
Qh|-a@ //失败设置服务状态为SERVICE_PAUSED
yZ;k@t_WRD //
Ufaqhh void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
1o|0x\ q {
84p[N8 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
$kkp*3{ot if(!ssh)
|D;"D {
ZSF= ServicePaused();
Q(=Vk~v return;
8K@"B }
B:3+',i1 ServiceRunning();
xm}q6>jRV Sleep(100);
vbRrk($` //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
(>rS
_#^ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
wRXn9 if(KillPS(atoi(lpszArgv[5])))
t<!+b@l5 ServiceStopped();
YQ 8j else
]]J#7L# ServicePaused();
h/ LR+XX! return;
1Lm].tq }
r^w\9a_ /////////////////////////////////////////////////////////////////////////////
z-KrQx2
void main(DWORD dwArgc,LPTSTR *lpszArgv)
?418*tXd {
^MW\t4pZ SERVICE_TABLE_ENTRY ste[2];
,bZ"8Z"lss ste[0].lpServiceName=ServiceName;
+CnyK(V ste[0].lpServiceProc=ServiceMain;
_HWHQF7 ste[1].lpServiceName=NULL;
HA^jk%53 ste[1].lpServiceProc=NULL;
L4YVH2`0) StartServiceCtrlDispatcher(ste);
JCw{ ?^F" return;
(orrX Ez }
|5oKq'(b /////////////////////////////////////////////////////////////////////////////
{yvb$ND|j{ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
_`bS[%CJ 下:
QL)>/%yU /***********************************************************************
0|+>A?E}E Module:function.c
u<l#xud Date:2001/4/28
v87$NQvwQ Author:ey4s
Qq'i*Mh Http://www.ey4s.org \LIy:$`8
***********************************************************************/
~In{lQ[QX #include
.9T.3yQ ////////////////////////////////////////////////////////////////////////////
Z:#.;wA BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
6QN1+MwB {
8- dRdQu] TOKEN_PRIVILEGES tp;
4R&*&GZ# LUID luid;
l `fW{lh <@u0.-] if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
5TXg;v#Z {
KY4d+~2 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
-W|*fKN`3 return FALSE;
u^`eKak"l }
Z|2Eb* tp.PrivilegeCount = 1;
&mh Ln4^ tp.Privileges[0].Luid = luid;
'R^iKNPs if (bEnablePrivilege)
]s*5[=uc2 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
3C277nx else
YHs?QsP tp.Privileges[0].Attributes = 0;
5a=nF9/ // Enable the privilege or disable all privileges.
t{_!Z(Rt5) AdjustTokenPrivileges(
"DVt3E hToken,
g~~m'^ FALSE,
N=>- Q) &tp,
Dz[566UD sizeof(TOKEN_PRIVILEGES),
yB-.sGu (PTOKEN_PRIVILEGES) NULL,
d32@M~vD (PDWORD) NULL);
>$2E1HW. // Call GetLastError to determine whether the function succeeded.
$z= 0[%L if (GetLastError() != ERROR_SUCCESS)
_ymJ~MK {
h6g=$8E printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
|n+#1_t% return FALSE;
(N,nux(0k }
)r ULT$;i@ return TRUE;
WI,40&< }
0(wf{5 ////////////////////////////////////////////////////////////////////////////
fH-NU-" BOOL KillPS(DWORD id)
j h;
9
[ {
(FM4 ^#6 HANDLE hProcess=NULL,hProcessToken=NULL;
@q,)fBZq BOOL IsKilled=FALSE,bRet=FALSE;
OZG0AX+=# __try
66oK3%[ {
pPoH5CzcK S*4f%! if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
<e'P%tG' {
Af`z/:0< printf("\nOpen Current Process Token failed:%d",GetLastError());
W&<g} N+ __leave;
$v FrU v }
SEYG y+#K //printf("\nOpen Current Process Token ok!");
hO#HvW if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
LRWOBD {
5!<o-{J[(= __leave;
Ymq3ty]Pe }
S2ark,sp6 printf("\nSetPrivilege ok!");
aIQOs ;U
|NmC + if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
(G#}* {
/4yOs@# printf("\nOpen Process %d failed:%d",id,GetLastError());
M
/"gf;)q> __leave;
W3^.5I }
~NxEc8Y //printf("\nOpen Process %d ok!",id);
l$M$o( if(!TerminateProcess(hProcess,1))
~
9=27p {
3Q",9(D printf("\nTerminateProcess failed:%d",GetLastError());
.%_)*NUZ __leave;
$)Wb#B }
@\ }sb] IsKilled=TRUE;
PJCnud F }
G=1m]>I8 __finally
PCtkjd {
3:UA<&=s if(hProcessToken!=NULL) CloseHandle(hProcessToken);
M^uU4My if(hProcess!=NULL) CloseHandle(hProcess);
0Su_#".-* }
\4aKLr return(IsKilled);
r]9 e^ }
TaOOq}8c# //////////////////////////////////////////////////////////////////////////////////////////////
)Lb72;!? 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:
8\DME /*********************************************************************************************
@.k5MOn ModulesKill.c
^+M><jE9 Create:2001/4/28
lDC}HC Modify:2001/6/23
g&bwtEZ Author:ey4s
|ixGY^3; Http://www.ey4s.org b7!UZu]IEv PsKill ==>Local and Remote process killer for windows 2k
$R"; **************************************************************************/
0rcjorWI #include "ps.h"
Q? qjWZY #define EXE "killsrv.exe"
xo(k?+P>. #define ServiceName "PSKILL"
IQIbz{bMx $Buf#8)F* #pragma comment(lib,"mpr.lib")
)i0 $j)R //////////////////////////////////////////////////////////////////////////
U,HIB^=
R //定义全局变量
lj*8mS/;h SERVICE_STATUS ssStatus;
X($6IL6m SC_HANDLE hSCManager=NULL,hSCService=NULL;
}%+qP+O\ BOOL bKilled=FALSE;
Y[?`\c| char szTarget[52]=;
WV2~(/hX& //////////////////////////////////////////////////////////////////////////
v{.\iIg N BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
O] H=s BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
_#FIay\ahB BOOL WaitServiceStop();//等待服务停止函数
p'80d: BOOL RemoveService();//删除服务函数
E3f9<hm /////////////////////////////////////////////////////////////////////////
EMhr6</ int main(DWORD dwArgc,LPTSTR *lpszArgv)
TMww {
{ UOhVJy BOOL bRet=FALSE,bFile=FALSE;
l~['[Ub0) char tmp[52]=,RemoteFilePath[128]=,
YN^T$,* szUser[52]=,szPass[52]=;
?gN9kd) HANDLE hFile=NULL;
R4SxFp DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
kxh 5}eB /~*Cp9F"] //杀本地进程
#d% vT!Bz~ if(dwArgc==2)
g?V&mu {
n8$=f'Hgb if(KillPS(atoi(lpszArgv[1])))
UW/N MjK printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
2m\m/O else
lBmm(<~Z printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
~0ooRUWU7 lpszArgv[1],GetLastError());
$3 4j6;oN return 0;
UWw}!1 }
lbS?/f //用户输入错误
e/>:K' { else if(dwArgc!=5)
@zrNN> {
GmbIFOT~
printf("\nPSKILL ==>Local and Remote Process Killer"
#
kEOKmO "\nPower by ey4s"
J\{$ot "\nhttp://www.ey4s.org 2001/6/23"
ib]vX- "\n\nUsage:%s <==Killed Local Process"
(Xo SG "\n %s <==Killed Remote Process\n",
+0"x|$f~ lpszArgv[0],lpszArgv[0]);
KmL$M return 1;
87<9V.s2 }
#k9< //杀远程机器进程
+#s;yc#=2 strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
f ;wc{qy strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
UiIF6-ZZ! strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
AW/wI6[T (Y2mmd //将在目标机器上创建的exe文件的路径
.T$D^?G!D sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
13a(FG __try
[4XC#OgA {
@KA1"Wb_ //与目标建立IPC连接
sa9fK Z'q if(!ConnIPC(szTarget,szUser,szPass))
O:^'x*} {
j#VIHCzlr printf("\nConnect to %s failed:%d",szTarget,GetLastError());
wbi3lH:; return 1;
U^rm:*f }
Sl>>SP printf("\nConnect to %s success!",szTarget);
_!!}'fMC //在目标机器上创建exe文件
M6Pw/S! ] H&c' hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
C(o.Cy6 E,
8%ik853` NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
mM5|K@0| if(hFile==INVALID_HANDLE_VALUE)
nJT4w|Yx {
JUQg 'D printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
94{)"w] __leave;
rY,PSK/j }
7Ms90oE/c //写文件内容
2]2H++ while(dwSize>dwIndex)
8a>SC$8" {
hH`Jb77L @o#+5P if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
$"8d:N?I[ {
`c(\i$1JY) printf("\nWrite file %s
TJOvyz`t failed:%d",RemoteFilePath,GetLastError());
O@jqdJu __leave;
_faJ B@a_ }
\zu}\{ dwIndex+=dwWrite;
=j~Q/-`EC0 }
=Ndli>x}1 //关闭文件句柄
+O+<Go@a CloseHandle(hFile);
V"#Jk!k9k bFile=TRUE;
Au5rR>W //安装服务
O
k7zpq if(InstallService(dwArgc,lpszArgv))
ZJ(rG((! {
os$nL'sq //等待服务结束
O?ktWHUx if(WaitServiceStop())
=& -[TPW {
'7tBvVO_ //printf("\nService was stoped!");
Y)M8zi>b }
T'1gy} else
`FJ|W6% {
{Q~7M$ //printf("\nService can't be stoped.Try to delete it.");
Hm9<