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。
@?t+O'& OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
U1|{7.R <1>与远程系统建立IPC连接
-"bC[ WN <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
W!* P <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
wV4MP1c$ <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
x3nUKQtk:8 <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
}rWg'] <6>服务启动后,killsrv.exe运行,杀掉进程
&uf|Le4 <7>清场
4-C'2? 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
#smfOGSd /***********************************************************************
5hDPX\ Module:Killsrv.c
V7
hO} Date:2001/4/27
`?"r\Qo< Author:ey4s
xhMAWFg| Http://www.ey4s.org mdcsL~R ***********************************************************************/
]qEg5:yY #include
~/2OK!M #include
5wv7]F< #include "function.c"
Y&$puiH-j #define ServiceName "PSKILL"
QEF$Jx CH5>u SERVICE_STATUS_HANDLE ssh;
]?Q<lMG SERVICE_STATUS ss;
!3z
;u8W /////////////////////////////////////////////////////////////////////////
Qzv& void ServiceStopped(void)
"#w%sG^_ {
@r\{iSg&g. ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
!y$+RA7\ ss.dwCurrentState=SERVICE_STOPPED;
U~oGg$ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
##OCfCW ss.dwWin32ExitCode=NO_ERROR;
nB4+*=$E+- ss.dwCheckPoint=0;
A}_pJH ss.dwWaitHint=0;
mR8tW"Z2 SetServiceStatus(ssh,&ss);
lZ)
qV!< return;
Ss\FSEN!/ }
zqp>Xw /////////////////////////////////////////////////////////////////////////
iMQ0Sq-%1 void ServicePaused(void)
6LabFX@{& {
}$(\,SzW ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
x1}Ono3"T ss.dwCurrentState=SERVICE_PAUSED;
B_XX)y %V ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
(,cG+3r] ss.dwWin32ExitCode=NO_ERROR;
QI78/gT,d ss.dwCheckPoint=0;
d *#.(C9^ ss.dwWaitHint=0;
SEH[6W3 SetServiceStatus(ssh,&ss);
|AS<I4+& return;
z8xBq%97us }
S,vdd7Y void ServiceRunning(void)
-TS,~`O {
Y)l=r^Ap> ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
rU1Ri ss.dwCurrentState=SERVICE_RUNNING;
#G=AD/z ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
K\.tR ss.dwWin32ExitCode=NO_ERROR;
PM'2zP[*W ss.dwCheckPoint=0;
g2A#BMe'.$ ss.dwWaitHint=0;
#er% q: SetServiceStatus(ssh,&ss);
FOjX,@x& return;
dEW= V"W }
e&!8UYP /////////////////////////////////////////////////////////////////////////
#L57d void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
;WhRDmT {
SIc~cZ!Yu switch(Opcode)
:39arq {
2IGU{&s case SERVICE_CONTROL_STOP://停止Service
]bYmM@
ServiceStopped();
XWq"_$&LF break;
xC}' "``s case SERVICE_CONTROL_INTERROGATE:
hFxT@I~ SetServiceStatus(ssh,&ss);
mc{W\H break;
ekqS=KfWl; }
r|i) return;
7xYz9r)w` }
(!YJ:,!so //////////////////////////////////////////////////////////////////////////////
ef/43+F^x //杀进程成功设置服务状态为SERVICE_STOPPED
@.`k2lxGd~ //失败设置服务状态为SERVICE_PAUSED
}>V=J aG //
O,S>6o)? void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Nbv b_ {
{JF"PAS7 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
4;eD}g if(!ssh)
bW=3X-) {
ai;Q,Vy ServicePaused();
2 )3oX return;
GSd:Plc% }
=E^/gc%X ServiceRunning();
uh \Tf5 Sleep(100);
iyXd"O //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
^7Z;=]8J //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
kk4+>mk if(KillPS(atoi(lpszArgv[5])))
k8%@PC$ ServiceStopped();
DsbTx.vA else
=6'bGC%c ServicePaused();
rBy0hGx return;
!hHX8TD^J }
axq~56"7E /////////////////////////////////////////////////////////////////////////////
\u))1zRd void main(DWORD dwArgc,LPTSTR *lpszArgv)
`"<hO
'WU {
lnLy"f"zV SERVICE_TABLE_ENTRY ste[2];
A|YgA66M ste[0].lpServiceName=ServiceName;
65*Hf3~~ ste[0].lpServiceProc=ServiceMain;
)jg*u}u
0 ste[1].lpServiceName=NULL;
iHK.hs; ste[1].lpServiceProc=NULL;
[Q J StartServiceCtrlDispatcher(ste);
rm$dv%q return;
;Krb/qr4_ }
3la `S$c /////////////////////////////////////////////////////////////////////////////
B([-GpZt[ 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
c_?^:xs:d 下:
sUK|*y /***********************************************************************
x$D^Bh, Module:function.c
T?6<1nU) Date:2001/4/28
V\opC6*L_e Author:ey4s
)N607 Fa- Http://www.ey4s.org HavlN}h ***********************************************************************/
%<[{zd1C- #include
TW70z]B ////////////////////////////////////////////////////////////////////////////
<t*<SdAq>` BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
OLm@-I* {
.Dl ?a>I TOKEN_PRIVILEGES tp;
'}B"071)< LUID luid;
kWy@wPqms j(]O$" " if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
(2M00J-o {
v+`'%E printf("\nLookupPrivilegeValue error:%d", GetLastError() );
:FtV~^Z return FALSE;
@:#J^CsM+' }
3dLqlJ^7B tp.PrivilegeCount = 1;
%#eQN
~ tp.Privileges[0].Luid = luid;
-1d*zySL if (bEnablePrivilege)
GKSF(Tnj tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
e84%Y8,0 else
{;& U5<NO tp.Privileges[0].Attributes = 0;
}1~9i'o%Z // Enable the privilege or disable all privileges.
@xa$two AdjustTokenPrivileges(
%dq%+yw{%m hToken,
zwJ&K;"y( FALSE,
Q^nfD
&tp,
Zf<T`'_d sizeof(TOKEN_PRIVILEGES),
% XZ&( (PTOKEN_PRIVILEGES) NULL,
Ak('4j!*}^ (PDWORD) NULL);
hfyU}`]
// Call GetLastError to determine whether the function succeeded.
GiEt;8 if (GetLastError() != ERROR_SUCCESS)
C4.GtY8,d {
ruB D
^- printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
BG?>)]6 return FALSE;
-WF((s;<# }
nqUnDnP2c return TRUE;
Pmd[2/][ }
HF_8661g ////////////////////////////////////////////////////////////////////////////
~n%Lo3RiP BOOL KillPS(DWORD id)
J`GL_@$q {
|Rkw/5 HANDLE hProcess=NULL,hProcessToken=NULL;
L3xN#W;m7 BOOL IsKilled=FALSE,bRet=FALSE;
F;}JSb" __try
Cb+$|Kg/"b {
\gPMYMd tp7$t# if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
U0:*?uA. {
#Pf<2S
printf("\nOpen Current Process Token failed:%d",GetLastError());
?2Z`xL9QT __leave;
-aok ]w
m }
SE^l`.U@ //printf("\nOpen Current Process Token ok!");
([>__c/Nd if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
un-%p# {
K|-m6!C!7 __leave;
LDHu10l }
u^{p'a' printf("\nSetPrivilege ok!");
j8[U}~*^ Z.Z;p/4F if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
iO?^y(phC {
zm5PlG printf("\nOpen Process %d failed:%d",id,GetLastError());
%,02i@Fc __leave;
GuU-<*u(d }
-wV2
79^b //printf("\nOpen Process %d ok!",id);
*P`wuXn}
if(!TerminateProcess(hProcess,1))
$o5i15Oy. {
X5[t6q! printf("\nTerminateProcess failed:%d",GetLastError());
2 A!*8w __leave;
ut560,h~ }
^IuhHP IsKilled=TRUE;
-#T%* }
T:{r*zLSN __finally
u$[8Zmgzz {
*(q?O_3,b if(hProcessToken!=NULL) CloseHandle(hProcessToken);
@- |G_BZ if(hProcess!=NULL) CloseHandle(hProcess);
^#Q-?O }
k@|px#kq return(IsKilled);
aaY AS"/: }
HOWpTu( //////////////////////////////////////////////////////////////////////////////////////////////
9]IZ3
fQX 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:
1#_pj
eG /*********************************************************************************************
>\?
z,Nin ModulesKill.c
l5H5!$3~ Create:2001/4/28
"ufSHrZv Modify:2001/6/23
HSG Ln906 Author:ey4s
L k
nK Http://www.ey4s.org }O@>:?U PsKill ==>Local and Remote process killer for windows 2k
8HBwcXYoHh **************************************************************************/
m6BUKX\m #include "ps.h"
Sj(>G; #define EXE "killsrv.exe"
L
QV@]z& #define ServiceName "PSKILL"
/Ls|'2J<$ o<!H/PN #pragma comment(lib,"mpr.lib")
N^oP,^+U //////////////////////////////////////////////////////////////////////////
er3~gm //定义全局变量
n8;L_43U SERVICE_STATUS ssStatus;
#`|Nm3b SC_HANDLE hSCManager=NULL,hSCService=NULL;
}a5TY("d9H BOOL bKilled=FALSE;
:3Q:pKg char szTarget[52]=;
xtv%C //////////////////////////////////////////////////////////////////////////
7:vl -ZW BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
e7xv~C>g BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
-9{N7H BOOL WaitServiceStop();//等待服务停止函数
#bt f|\D BOOL RemoveService();//删除服务函数
F6yFKNK!n /////////////////////////////////////////////////////////////////////////
iU 6,B int main(DWORD dwArgc,LPTSTR *lpszArgv)
d"-I^|[OM {
J{\U w].|0 BOOL bRet=FALSE,bFile=FALSE;
>>KI_$V char tmp[52]=,RemoteFilePath[128]=,
Q<V1`e szUser[52]=,szPass[52]=;
AA,/AKikd HANDLE hFile=NULL;
RDDA^U7y# DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
SceHdx(] m\jjj^f a //杀本地进程
au50%sA~
if(dwArgc==2)
Xv!Gg6v6 {
aB;f*x if(KillPS(atoi(lpszArgv[1])))
vJ&D>Vh4e printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
?eX$Wc{ else
)Hin{~h printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
l([aKm# lpszArgv[1],GetLastError());
hE=xS:6 return 0;
P2jh[a% }
g4,ldr"D //用户输入错误
UJqh~s else if(dwArgc!=5)
LRu*%3xx {
yKj}l,i~8 printf("\nPSKILL ==>Local and Remote Process Killer"
+zch e "\nPower by ey4s"
%eofG]VM< "\nhttp://www.ey4s.org 2001/6/23"
/Lr`Aka5 "\n\nUsage:%s <==Killed Local Process"
*)w+xWmM3w "\n %s <==Killed Remote Process\n",
%Jh(5 lpszArgv[0],lpszArgv[0]);
*Lz'<=DLoW return 1;
8f~x\. }
w`8H=Hf //杀远程机器进程
-V4{tIQY strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
P]^OSPRg strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
!Q~>)$Cf^ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
b6k_u9m^E @R`6jS_gK //将在目标机器上创建的exe文件的路径
D
ON.)F sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
E@k'uyIu __try
XTX/vbge3m {
? Pi|`W //与目标建立IPC连接
5%9Uh'y# if(!ConnIPC(szTarget,szUser,szPass))
Go c*ugR {
%.`u2'^ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
a_S`$(7k return 1;
&Cj~D$kDEu }
S[$9_J f printf("\nConnect to %s success!",szTarget);
_PPC?k{z! //在目标机器上创建exe文件
I^f|U {"~[F 2qR hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
K:<Viz E,
=TEe:%mN NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
:35h0;8+ if(hFile==INVALID_HANDLE_VALUE)
@a]cI {
IxUj(l1Fm printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
9Cd/SlNV2 __leave;
BQWgL }
n6Uh%rO7S| //写文件内容
c3l(,5DtH while(dwSize>dwIndex)
T5}3Y3G,6 {
E)m \KSwh Dx /w&v if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
\H>T[ {
,_(=w.F
printf("\nWrite file %s
+Eb-|dM failed:%d",RemoteFilePath,GetLastError());
*LBF+L^C% __leave;
nkPlfH }
\9p.I?= dwIndex+=dwWrite;
+pT;;
9 }
Jxe 5y3*
( //关闭文件句柄
#y#TEw, CloseHandle(hFile);
X1P1
$RdkR bFile=TRUE;
2"a%%fv //安装服务
l]&A5tz3 if(InstallService(dwArgc,lpszArgv))
3 $%#n* {
w)S 4Xi= //等待服务结束
ZGH
7_K if(WaitServiceStop())
ec#`9w$ {
]aMDx>OE //printf("\nService was stoped!");
Jgr;'U$ }
feB ?
else
3C!|!N1Hn {
mIG>`7`7N //printf("\nService can't be stoped.Try to delete it.");
Wx3DWY; }
r]xN&Ne5Q Sleep(500);
N9d^;6;i //删除服务
[-l>fP0 RemoveService();
r0k:RJP }
x1wD`r }
H(n
fHp.3 __finally
WLU_t65 {
*^] //删除留下的文件
~2hzyEh if(bFile) DeleteFile(RemoteFilePath);
Q`J U[nY //如果文件句柄没有关闭,关闭之~
W?E01"p if(hFile!=NULL) CloseHandle(hFile);
y=\&z&3$ //Close Service handle
KQ9w>!N[ if(hSCService!=NULL) CloseServiceHandle(hSCService);
rC|nE=i //Close the Service Control Manager handle
]5
]wyDj if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
AX+]Z$ //断开ipc连接
_Fj\0S" wsprintf(tmp,"\\%s\ipc$",szTarget);
n7ZJ< ~wl WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
%2D'NZS if(bKilled)
ts[8;<YD printf("\nProcess %s on %s have been
7\$}|b[9 killed!\n",lpszArgv[4],lpszArgv[1]);
n)a/pO_ else
+fozE? printf("\nProcess %s on %s can't be
T7ShE-X killed!\n",lpszArgv[4],lpszArgv[1]);
In%FOPO }
fuHNsrNlm return 0;
#+6j-^<_6 }
V+>RF //////////////////////////////////////////////////////////////////////////
3_;=y\F BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
`xv Uq\ {
>J;J&]Olf NETRESOURCE nr;
RjP]8tH& char RN[50]="\\";
z<