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。
YN>#zr+~ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
$9QVl <1>与远程系统建立IPC连接
F/EHU?_EI <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
[S</QS! <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
#2HygS <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
aeBth{ <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
1NOz $fW <6>服务启动后,killsrv.exe运行,杀掉进程
'OX6eY5 <7>清场
J?%D4AeS]v 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
^<|If:| /***********************************************************************
bR&hI9`%F Module:Killsrv.c
g\*gHHa Date:2001/4/27
P<4jY?. Author:ey4s
R?&S]?H Http://www.ey4s.org 6/#= dv ***********************************************************************/
[Q 2t,tQx #include
Vj?.' ( #include
Qn*c<: #include "function.c"
T.`%1S #define ServiceName "PSKILL"
U5H o? `< !^"hYp` SERVICE_STATUS_HANDLE ssh;
O&w$ SERVICE_STATUS ss;
$yFur[97C /////////////////////////////////////////////////////////////////////////
MzG(+B void ServiceStopped(void)
1;:2 =8 {
q75F^AvH ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
<&L;9fr ss.dwCurrentState=SERVICE_STOPPED;
10}Zoq|)n ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
.ySesN: C~ ss.dwWin32ExitCode=NO_ERROR;
M2zfN ru ss.dwCheckPoint=0;
C,IN+@ ss.dwWaitHint=0;
aF;TsB SetServiceStatus(ssh,&ss);
IYCKF/2o return;
G0(c@FBK }
'Yd%Tb|* /////////////////////////////////////////////////////////////////////////
9lD,aOb void ServicePaused(void)
*UyV@ {
2Qy!Aa ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
quKD\hL$ ss.dwCurrentState=SERVICE_PAUSED;
vSnb>z1 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
H|TzD"2N ss.dwWin32ExitCode=NO_ERROR;
1I@4xC
#X ss.dwCheckPoint=0;
3tm z2JIb ss.dwWaitHint=0;
s?6 7@\ SetServiceStatus(ssh,&ss);
KqS2 return;
zEhy0LLm }
- 5k4vx
N} void ServiceRunning(void)
\iL,l87 {
i
Lm1l ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
/ P:Hfq ss.dwCurrentState=SERVICE_RUNNING;
CMg83 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
.gPsJ?b ss.dwWin32ExitCode=NO_ERROR;
|v1 K@ ss.dwCheckPoint=0;
}agl:~C ss.dwWaitHint=0;
P5d@-l%} SetServiceStatus(ssh,&ss);
-E500F*b return;
~o%-\^oc }
pS<b|wu?f /////////////////////////////////////////////////////////////////////////
<eh(~ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
a:|4q {
L$Leo6<3a switch(Opcode)
GY",AL8f {
fhY[I0;}$ case SERVICE_CONTROL_STOP://停止Service
y="SzPl ServiceStopped();
R^2Uh$kk{A break;
&Bp\kv case SERVICE_CONTROL_INTERROGATE:
6_y|4!,:W SetServiceStatus(ssh,&ss);
#PrV)en break;
z8j(SI;3 }
!Q(xOc9>Ug return;
t@u\ 4bv }
OhW=F2OIV //////////////////////////////////////////////////////////////////////////////
{.lF~cOu //杀进程成功设置服务状态为SERVICE_STOPPED
'iVo,m[yKU //失败设置服务状态为SERVICE_PAUSED
BH-[q9pf //
0o<qEo^ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
5i/E=D {
-PnC^r0L$ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
HEuM"2{DMM if(!ssh)
*3/7wSV: {
Hr+-ndH!Pq ServicePaused();
@gqw]_W return;
`es($7}P_W }
[[e |GQ ServiceRunning();
3opLLf_g Sleep(100);
b66X])+4jE //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
pq[mM!;#v //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
w}.'Tebu if(KillPS(atoi(lpszArgv[5])))
:xw3b)KS ServiceStopped();
I:e2sE
": else
f)zg&Ib ServicePaused();
F3Y>hs):7 return;
&
.?HuK }
]hj1.V+ /////////////////////////////////////////////////////////////////////////////
YSV,q@I&1 void main(DWORD dwArgc,LPTSTR *lpszArgv)
?&"^\p {
}x.)gW SERVICE_TABLE_ENTRY ste[2];
aVP|:OAj ste[0].lpServiceName=ServiceName;
'!-? ste[0].lpServiceProc=ServiceMain;
^)q2\YE; ste[1].lpServiceName=NULL;
BJ9sR.yX62 ste[1].lpServiceProc=NULL;
x}.d`= StartServiceCtrlDispatcher(ste);
VWshFI return;
Is@a,k }
z}1xy+ /////////////////////////////////////////////////////////////////////////////
@ >(u:. function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
%<?ciU 下:
{F:v$ K /***********************************************************************
p{a]pG+3 Module:function.c
p??/r Date:2001/4/28
u-[t~-(a Author:ey4s
\5P.C Http://www.ey4s.org !/}FPM_ ***********************************************************************/
A'(7VJ #include
$G_Q`w=jM ////////////////////////////////////////////////////////////////////////////
>Mn>P! BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
{(OIu]: {
2 1~7{# TOKEN_PRIVILEGES tp;
P!y`$Ky& LUID luid;
~B!O~nvdQ b!]0mXU if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
fT3*>^Uv {
cH;TnuX printf("\nLookupPrivilegeValue error:%d", GetLastError() );
z8[H:W#G return FALSE;
V+qJrZ,i }
yvz?4m"_yB tp.PrivilegeCount = 1;
yIIETE tp.Privileges[0].Luid = luid;
KO|pJ3 if (bEnablePrivilege)
`x UG| tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
ufCqvv>' else
NGD*ce"w tp.Privileges[0].Attributes = 0;
(
f,J_ // Enable the privilege or disable all privileges.
NaA+/: AdjustTokenPrivileges(
rQEi/ hToken,
)_8}53C FALSE,
^IGyuj0]jG &tp,
poD\C;o" sizeof(TOKEN_PRIVILEGES),
7%9)C[6NSs (PTOKEN_PRIVILEGES) NULL,
T|@#w%c'' (PDWORD) NULL);
8lOI\- // Call GetLastError to determine whether the function succeeded.
0)AM-/" if (GetLastError() != ERROR_SUCCESS)
i_u
{5 U; {
ALd]1a& printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
A)Qh return FALSE;
1OJ*wI* }
JoCA{Fa} return TRUE;
d=XpO*v,[ }
YOV : ////////////////////////////////////////////////////////////////////////////
L)F1NuR BOOL KillPS(DWORD id)
2@ 9pr {
gF[6c`-s HANDLE hProcess=NULL,hProcessToken=NULL;
o\ngR\> BOOL IsKilled=FALSE,bRet=FALSE;
s>|Z7[* __try
0e+W/Tq {
>5;N64]!) ,?g=U8y| if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
sEce{"VC {
z2w;oM$g printf("\nOpen Current Process Token failed:%d",GetLastError());
4\N_ G
@ __leave;
J/'M N }
5vTv$2@ //printf("\nOpen Current Process Token ok!");
;8P_av}C if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
5`{vE4A]q {
dhHEE|vrz __leave;
Di*]ab }
z)lM2x>|* printf("\nSetPrivilege ok!");
TbLe6x FY]pv6@ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
x;]x_fz {
3Y
z]8`C printf("\nOpen Process %d failed:%d",id,GetLastError());
akT|Y4KxD __leave;
D_d|=i }
)Zas
x6` //printf("\nOpen Process %d ok!",id);
;XG]Q<S\ if(!TerminateProcess(hProcess,1))
v&fGCD\R {
?g2zmI!U printf("\nTerminateProcess failed:%d",GetLastError());
Kax#OYLpg __leave;
Wo{K} }
%3M95UZ2 IsKilled=TRUE;
E0QPE5_ }
9\v.qo. __finally
n)#Lh
7X" {
Xo Y7/&& if(hProcessToken!=NULL) CloseHandle(hProcessToken);
ga-{!$b* if(hProcess!=NULL) CloseHandle(hProcess);
R2w`Y5#` }
xf/m!b"p return(IsKilled);
CtM'L }
%e{(twp //////////////////////////////////////////////////////////////////////////////////////////////
!z MDP/V 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:
<Nex8fiJ9 /*********************************************************************************************
pI>*u ]x ModulesKill.c
"u;YI=+ Create:2001/4/28
I!0JG`& Modify:2001/6/23
HA!t$[_Ve Author:ey4s
b3\B8:XFo| Http://www.ey4s.org xP{-19s1] PsKill ==>Local and Remote process killer for windows 2k
!hCS#' **************************************************************************/
P-'_}*wxi #include "ps.h"
?;
[ T #define EXE "killsrv.exe"
T~X41d\ #define ServiceName "PSKILL"
|3;(~a)% p<KIF>rf| #pragma comment(lib,"mpr.lib")
=_
y\Y@J
//////////////////////////////////////////////////////////////////////////
%c X"#+e //定义全局变量
>,"sHm}l% SERVICE_STATUS ssStatus;
,=|4:F9
SC_HANDLE hSCManager=NULL,hSCService=NULL;
`
W4dx& BOOL bKilled=FALSE;
rjUBLY1( char szTarget[52]=;
V^n0GJNo //////////////////////////////////////////////////////////////////////////
JrDHRIkgm BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
0|XKd24BN BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
h*Je35
BOOL WaitServiceStop();//等待服务停止函数
\iru7'S BOOL RemoveService();//删除服务函数
6Y1J2n" /////////////////////////////////////////////////////////////////////////
;cKH1 int main(DWORD dwArgc,LPTSTR *lpszArgv)
Hx
%$X {
KE.Dt BOOL bRet=FALSE,bFile=FALSE;
#Qh>z%Mn^3 char tmp[52]=,RemoteFilePath[128]=,
& Kmy}q
szUser[52]=,szPass[52]=;
,Ff n)+ HANDLE hFile=NULL;
]^K;goQv DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
`~h4D(n` _BS
9GB //杀本地进程
{.CMD9F[ if(dwArgc==2)
*C6 D3y {
;`(R7X
*3 if(KillPS(atoi(lpszArgv[1])))
oNM?y:O printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
cin2>3Z$ else
*1^$.Q& printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
`8:K[gp lpszArgv[1],GetLastError());
!tNd\}@ return 0;
xAhxD|4_ }
K
|*5Kwi //用户输入错误
2YOKM#N] else if(dwArgc!=5)
9(, @aZ {
3fr ^ T printf("\nPSKILL ==>Local and Remote Process Killer"
`rb>K "\nPower by ey4s"
t6lE#<xZV; "\nhttp://www.ey4s.org 2001/6/23"
x83a!9 "\n\nUsage:%s <==Killed Local Process"
}Ln@R~[ "\n %s <==Killed Remote Process\n",
t'1Y@e lpszArgv[0],lpszArgv[0]);
bwiD$ return 1;
U \oy8FZ }
k< j"~S1 //杀远程机器进程
edvFQ#,d strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
OqUr9?+ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
2oVV'9;B strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
'g)n1 { 9em*r9- //将在目标机器上创建的exe文件的路径
\Kavw sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
jqnCA<G~B- __try
@f1*eo5f {
.Zmp , //与目标建立IPC连接
zsXpA0~3s if(!ConnIPC(szTarget,szUser,szPass))
/rc%O*R {
S*
R,FKg printf("\nConnect to %s failed:%d",szTarget,GetLastError());
?KE$r~dn return 1;
>mq,}!n }
BiwieF4x printf("\nConnect to %s success!",szTarget);
,
YW|n:X //在目标机器上创建exe文件
|L6&Gf]#5 S :bC[} hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
aelO3'UN E,
h9s >LY NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
Shr,#wwM`B if(hFile==INVALID_HANDLE_VALUE)
'0RwO[A#1 {
G"SBYU printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
{zLhiUH
a0 __leave;
3ec`Wa
}
iw9Q18:I} //写文件内容
5F"|E-; while(dwSize>dwIndex)
B4Y(?JTx {
#*%q'gyHT tY|8s]{2 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
Nw_@A8-r {
G}d-(X printf("\nWrite file %s
m#!=3P7T failed:%d",RemoteFilePath,GetLastError());
YB( Gk;] __leave;
Qdk6Qubi! }
v`PY>c6~ dwIndex+=dwWrite;
*Zk>2<^R }
-~{c
u47_ //关闭文件句柄
AyKMhac CloseHandle(hFile);
_fk#< bFile=TRUE;
b*kfWG-6t //安装服务
(!L5-8O if(InstallService(dwArgc,lpszArgv))
fxcc<h4 {
)u%je~Vw //等待服务结束
dihjpI_ if(WaitServiceStop())
Sjj>#}U {
l |2D/K5 //printf("\nService was stoped!");
"r4AY }
}L=/A7Nk> else
]}="m2S3 {
<xpph
t< //printf("\nService can't be stoped.Try to delete it.");
4R^mI }
!|hoYU>@2L Sleep(500);
'@|_OmcY //删除服务
nQX+pkJ RemoveService();
%8~Q!=*Iq }
t_z>Cl^u }
~/pzxo$ __finally
hg.#DxRi{ {
!LMN[3M_ //删除留下的文件
a]17qMl if(bFile) DeleteFile(RemoteFilePath);
z
/KK)u(q //如果文件句柄没有关闭,关闭之~
B(a-k? if(hFile!=NULL) CloseHandle(hFile);
S_MyoXV //Close Service handle
1J=.N|(@Q if(hSCService!=NULL) CloseServiceHandle(hSCService);
GE;e]Jkjn //Close the Service Control Manager handle
,_aM`%q?Fj if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
h`
U?1xS //断开ipc连接
/-_=nf}w wsprintf(tmp,"\\%s\ipc$",szTarget);
*K!|@h{60 WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
EC2+`HJ" if(bKilled)
<~ad:[ printf("\nProcess %s on %s have been
;7]u!Q killed!\n",lpszArgv[4],lpszArgv[1]);
{e[%;W%c& else
~LJY6A@y printf("\nProcess %s on %s can't be
'FlJpA} killed!\n",lpszArgv[4],lpszArgv[1]);
4'j
sDcs }
oVA?J%EK return 0;
`g8E1-]l }
)[H{yQ //////////////////////////////////////////////////////////////////////////
S=R7`a<.5 BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
~7~~S*EQ {
x";w% NETRESOURCE nr;
t*z~5_/ char RN[50]="\\";
<DKS+R m }a|FS strcat(RN,RemoteName);
Y$N)^=7 strcat(RN,"\ipc$");
/>¬$> B]m@:|Q nr.dwType=RESOURCETYPE_ANY;
4c
oJRqf= nr.lpLocalName=NULL;
0&qr nr.lpRemoteName=RN;
GoA4f3 nr.lpProvider=NULL;
yKYUsp Qy<[7 if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
gmIqT
f return TRUE;
EXP%Mk/ else
U4m9e|/H;z return FALSE;
{Q+gZcu }
)1N 54FNO /////////////////////////////////////////////////////////////////////////
Hsih[f BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
QK0h6CX {
Nx{$} BOOL bRet=FALSE;
ju}fL<