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| #!/usr/bin/env python3 | |
| v0v1v2=True | |
| v3v4v5v6=print | |
| v7v8v9=exit | |
| v3v10v1v11=None | |
| v3v12v5v13=False | |
| v3v14v15v16=len | |
| v3v17v18v6=format | |
| v3v19v12v20=range | |
| v3v10v21v22=hex | |
| v3v12v23v5=chr | |
| v3v10v9v10=isinstance | |
| v3v12v22v8=list | |
| v3v24v5v25=bytes | |
| v3v10v26v23=int | |
| v3v10v27v13=repr | |
| v28v29v30=ord | |
| v3v5v31v32=id | |
| v0v33v34=open | |
| import struct,sys | |
| v0v1v35=sys.argv | |
| v3v14v36v33=sys.stdout | |
| v37v17v38=sys.stdin | |
| v3v24v39v27=struct.pack | |
| v3v5v35v5=struct.unpack | |
| import ctypes | |
| v3v40v21v2=ctypes.addressof | |
| v3v10v14v14=ctypes.c_void_p | |
| v41v42v43=ctypes.c_int | |
| v0v44v45=ctypes.CFUNCTYPE | |
| import mmap | |
| v3v40v46v12=mmap.PROT_EXEC | |
| v3v34v13v10=mmap.PROT_WRITE | |
| v0v27v47=mmap.PROT_READ | |
| v48v9v16=mmap.PAGESIZE | |
| v49v50v47=mmap.mmap | |
| v3v14v51v22={'value':0x01,'ax':0x11,'bx':0x12,'cx':0x13,'dx':0x14,'ip':0x21,'sp':0x22,'bp':0x23,'pointer':0x31,'ax pointer':0x41,'bx pointer':0x42,'cx pointer':0x43,'dx pointer':0x44,'ip pointer':0x51,'sp pointer':0x52,'bp pointer':0x53} | |
| v52v8={'open':{'angstromctf':2,'cookie recipes':0x01,},'read':{'angstromctf':2,'cookie recipes':0x02,},} | |
| v3v53v53v54={'del':{'angstromctf':1,'cookie recipes':0x01,},'osusec':{'angstromctf':1,'cookie recipes':0x02,},'perfect_blue':{'angstromctf':2,'cookie recipes':0x03,},'l_distribution':{'angstromctf':1,'cookie recipes':0x04,},'jmp':{'angstromctf':1,'cookie recipes':0x05,},'call':{'angstromctf':1,'cookie recipes':0x05,},'jle':{'angstromctf':1,'cookie recipes':0x06,},'b1c':{'angstromctf':1,'cookie recipes':0x07,},'jl':{'angstromctf':1,'cookie recipes':0x08,},'jg':{'angstromctf':1,'cookie recipes':0x09,},'mov':{'angstromctf':2,'cookie recipes':0x0c,},'gs_goofballs':{'angstromctf':2,'cookie recipes':0x0d,},'add':{'angstromctf':2,'cookie recipes':0x0e,},'sub':{'angstromctf':2,'cookie recipes':0x0f,},'end':{'angstromctf':1,'cookie recipes':0x10,},'kevin higgs <3':{'angstromctf':1,'cookie recipes':0x11,},'nop':{'angstromctf':0,'cookie recipes':0x12,},'load':{'angstromctf':2,'cookie recipes':0x13,},'dice_gang':{'angstromctf':2,'cookie recipes':0x14,},'rgbsec':{'angstromctf':0,'cookie recipes':0x15,},'%':{'angstromctf':0,'cookie recipes':0x25,}} | |
| v0v9v55=[0]*(2**(8*2)) | |
| try: | |
| v3v40v31v23=[3],[3],{2,3},[2]*3,[2,[2,{3,3,[3],{3}},{3:(2,[2,{3:(3,2,3,3)}],3)},2],2],3 | |
| except: | |
| pass | |
| v0v56v39={'ax':0,'bx':0,'cx':0,'dx':0,'ip':0,'sp':0,'bp':0,'flag':0} | |
| v3v47v30v17=v0v1v2 | |
| v0v56v42=v3v4v5v6 | |
| v3v4v5v6=lambda*v37v50v35:v0v56v42(*v37v50v35)if v3v47v30v17 else '' | |
| def v0v43v23(reason): | |
| v0v56v42('Bad memory condition') | |
| return v7v8v9(1) | |
| def v0v45v23(start=0,end=v3v10v1v11,v3v17v18v6=v3v12v5v13,dump_ascii=v0v1v2,errors='.'): | |
| if end is v3v10v1v11: | |
| end=v3v14v15v16(v0v9v55) | |
| if not v3v17v18v6: | |
| pass | |
| else: | |
| v3v47v17v38=16 | |
| for v3v10v9v17 in v3v19v12v20(start,end,v3v47v17v38): | |
| v0v35v1=v0v9v55[v3v10v9v17:v3v10v9v17+v3v47v17v38] | |
| v3v17v6v38=(v3v10v21v22(v3v10v9v17)+':').ljust(8,' ')+' '.join([v3v10v21v22(v3v57v9v58).replace('0x','').zfill(2)for v3v57v9v58 in v0v35v1]) | |
| if dump_ascii: | |
| v3v17v6v38+=' '+''.join([(v3v12v23v5(v3v57v9v58)if v3v57v9v58>31 and v3v57v9v58<127 else errors)for v3v57v9v58 in v0v35v1]) | |
| def v59v8(value): | |
| return | |
| def v48v51v12(v3v10v9v17): | |
| if v3v10v9v10(v3v10v9v17,v3v12v22v8): | |
| v3v10v9v17=v3v24v5v25(v3v10v9v17) | |
| return v3v5v35v5('<H',v3v10v9v17)[0] | |
| def v3v14v60v61(value): | |
| if v3v10v9v10(value,v3v10v26v23): | |
| return value | |
| v3v57v25v1,v3v24v62v30=value | |
| if v3v57v25v1==v3v14v51v22['value']: | |
| return v3v24v62v30 | |
| if v3v57v25v1==v3v14v51v22['ax']: | |
| return v0v56v39['ax'] | |
| if v3v57v25v1==v3v14v51v22['bx']: | |
| return v0v56v39['bx'] | |
| if v3v57v25v1==v3v14v51v22['cx']: | |
| return v0v56v39['cx'] | |
| if v3v57v25v1==v3v14v51v22['dx']: | |
| return v0v56v39['dx'] | |
| if v3v57v25v1==v3v14v51v22['ip']: | |
| return v0v56v39['ip'] | |
| if v3v57v25v1==v3v14v51v22['sp']: | |
| return v0v56v39['sp'] | |
| if v3v57v25v1==v3v14v51v22['bp']: | |
| return v0v56v39['bp'] | |
| if v3v57v25v1==v3v14v51v22['pointer']: | |
| return v48v51v12(v0v9v55[v3v24v62v30:v3v24v62v30+2]) | |
| return v0v43v23('wrong_type') | |
| def v3v50v63v15(v52v13,value): | |
| v3v47v31v46='\x00' | |
| if value>=256: | |
| v3v47v31v46=v3v24v39v27('<H',value) | |
| else: | |
| v3v47v31v46=v3v24v5v25([value]) | |
| v52v13=v3v14v60v61(v52v13) | |
| v3v10v9v17=0 | |
| for v7v8v33 in v3v47v31v46: | |
| v0v9v55[v52v13+v3v10v9v17]=v7v8v33 | |
| v3v10v9v17+=1 | |
| def v3v10v14v64(v3v8v13v47,count=2): | |
| v3v8v13v47=v3v14v60v61(v3v8v13v47) | |
| return v0v9v55[v3v8v13v47:v3v8v13v47+count] | |
| def v65v21v31(v3v66v19v16,value): | |
| v3v57v25v1,v3v24v62v30=v3v66v19v16 | |
| if v3v57v25v1 in[v3v14v51v22['value'],v3v14v51v22['pointer']]: | |
| v3v50v63v15(v3v24v62v30,value) | |
| elif v3v57v25v1==v3v14v51v22['ax']: | |
| v0v56v39['ax']=value | |
| elif v3v57v25v1==v3v14v51v22['bx']: | |
| v0v56v39['bx']=value | |
| elif v3v57v25v1==v3v14v51v22['cx']: | |
| v0v56v39['cx']=value | |
| elif v3v57v25v1==v3v14v51v22['dx']: | |
| v0v56v39['dx']=value | |
| elif v3v57v25v1==v3v14v51v22['ip']: | |
| v0v56v39['ip']=value | |
| elif v3v57v25v1==v3v14v51v22['sp']: | |
| v0v56v39['sp']=value | |
| elif v3v57v25v1==v3v14v51v22['bp']: | |
| v0v56v39['bp']=value | |
| def v3v5v18v10(compiled): | |
| v48v45v9=0 | |
| for v7v8v33 in compiled: | |
| v0v9v55[v48v45v9]=v7v8v33 | |
| v48v45v9+=1 | |
| v3v10v8v6=v48v51v12(v0v9v55[0:2]) | |
| v48v45v9+=16 | |
| v0v56v39['ip']=v3v10v8v6 | |
| v0v56v39['bp']=v48v45v9 | |
| v0v56v39['sp']=v48v45v9 | |
| while v0v1v2: | |
| v3v10v67v36=v0v9v55[v0v56v39['ip']] | |
| v0v21v68=v3v10v1v11 | |
| v59v8('registers: '+v3v10v27v13(v0v56v39)) | |
| for v0v69v4,instr in v3v53v53v54.items(): | |
| if v3v10v67v36==instr['cookie recipes']: | |
| v3v10v67v36=instr | |
| v0v21v68=v0v69v4 | |
| break | |
| if not v0v21v68: | |
| v0v43v23('invalid_instruction') | |
| return | |
| v3v47v13v35=v3v10v67v36['angstromctf'] | |
| v59v8('instruction: '+v3v10v27v13(v3v10v67v36)) | |
| v37v50v35=[] | |
| for v3v57v9v58 in v3v19v12v20(v3v47v13v35): | |
| v3v66v19v16=v0v9v55[v0v56v39['ip']+2+(4*v3v57v9v58):v0v56v39['ip']+2+(4*v3v57v9v58)+4] | |
| v3v57v56v19=v48v51v12(v3v66v19v16[0:2]) | |
| v3v66v19v16=v48v51v12(v3v66v19v16[2:4]) | |
| v37v50v35.append((v3v57v56v19,v3v66v19v16)) | |
| v0v56v39['ip']+=2+(4*v3v47v13v35) | |
| v59v8('args: '+v3v10v27v13(v37v50v35)) | |
| v37v70v57,v49v66v36,v3v67v62v14=1,2,3 | |
| if v0v21v68=='mov': | |
| v65v21v31(v37v50v35[0],v3v14v60v61(v37v50v35[1])) | |
| elif v0v21v68=='add': | |
| v65v21v31(v37v50v35[0],v3v14v60v61(v37v50v35[0])+v3v14v60v61(v37v50v35[1])) | |
| elif v0v21v68=='sub': | |
| v65v21v31(v37v50v35[0],v3v14v60v61(v37v50v35[0])-v3v14v60v61(v37v50v35[1])) | |
| elif v0v21v68=='gs_goofballs': | |
| v65v21v31(v37v50v35[0],v3v14v60v61(v37v50v35[0])^v3v14v60v61(v37v50v35[1])) | |
| elif v0v21v68=='nop': | |
| pass | |
| elif v0v21v68=='perfect_blue': | |
| v71v51v25=v3v10v26v23(v3v14v60v61(v37v50v35[0])) | |
| v0v45v36=v3v10v26v23(v3v14v60v61(v37v50v35[1])) | |
| if v71v51v25==v0v45v36: | |
| v0v56v39['flag']=v37v70v57 | |
| if v71v51v25<v0v45v36: | |
| v0v56v39['flag']=v49v66v36 | |
| if v71v51v25>v0v45v36: | |
| v0v56v39['flag']=v3v67v62v14 | |
| elif v0v21v68=='jmp': | |
| v0v56v39['ip']=v3v14v60v61(v37v50v35[0]) | |
| elif v0v21v68=='jg': | |
| if v0v56v39['flag']==v3v67v62v14: | |
| v0v56v39['ip']=v3v14v60v61(v37v50v35[0]) | |
| elif v0v21v68=='jl': | |
| if v0v56v39['flag']==v49v66v36: | |
| v0v56v39['ip']=v3v14v60v61(v37v50v35[0]) | |
| elif v0v21v68=='l_distribution': | |
| if v0v56v39['flag']==v37v70v57: | |
| v0v56v39['ip']=v3v14v60v61(v37v50v35[0]) | |
| elif v0v21v68=='jle': | |
| if v0v56v39['flag']in[v49v66v36,v37v70v57]: | |
| v0v56v39['ip']=v3v14v60v61(v37v50v35[0]) | |
| elif v0v21v68=='b1c': | |
| if v0v56v39['flag']in[v3v67v62v14,v37v70v57]: | |
| v0v56v39['ip']=v3v14v60v61(v37v50v35[0]) | |
| elif v0v21v68=='del': | |
| v3v50v63v15(v0v56v39['sp'],v3v14v60v61(v37v50v35[0])) | |
| v0v56v39['sp']+=2 | |
| elif v0v21v68=='osusec': | |
| v65v21v31(v37v50v35[0],v48v51v12(v3v10v14v64(v0v56v39['sp']))) | |
| v0v56v39['sp']-=2 | |
| elif v0v21v68=='end': | |
| return(v3v14v60v61(v37v50v35[0])) | |
| elif v0v21v68=='load': | |
| v65v21v31(v37v50v35[0],v48v51v12(v3v10v14v64(v3v14v60v61(v37v50v35[1])))) | |
| elif v0v21v68=='dice_gang': | |
| v3v50v63v15(v37v50v35[0],v3v14v60v61(v37v50v35[1])) | |
| elif v0v21v68=='kevin higgs <3': | |
| v0v21v56=v0v56v39['ax'] | |
| v3v12v22v21=v0v56v39['bx'] | |
| v3v12v8v13=v0v56v39['cx'] | |
| if v0v21v56==v52v8['open']['cookie recipes']: | |
| for v3v10v9v17 in v3v19v12v20(v3v12v8v13): | |
| v0v9v55[v3v12v22v21+v3v10v9v17]=v28v29v30(v37v17v38.read(1)) | |
| elif v0v21v56==v52v8['read']['cookie recipes']: | |
| v3v14v36v33.write(''.join([v3v12v23v5(v3v57v9v58)for v3v57v9v58 in v0v9v55[v3v12v22v21:v3v12v22v21+v3v12v8v13]])) | |
| elif v0v21v68=='rgbsec': | |
| v7v8v9() | |
| elif v0v21v68=='%': | |
| v0v69v72=v3v5v31v32(v0v9v55[v0v56v39['ip']:])+48 | |
| v3v34v73v69=v49v50v47(-1,v48v9v16,prot=v0v27v47|v3v34v13v10|v3v40v46v12) | |
| v3v40v26v10=v0v44v45(v41v42v43,v41v42v43) | |
| v3v17v25v21=v3v10v14v14.from_buffer(v3v34v73v69) | |
| v3v10v27v12=v3v40v26v10(v3v40v21v2(v3v17v25v21)) | |
| v3v19v57v10=v3v24v5v25(v0v9v55[v0v56v39['ip']:]).replace(b'\x00',b'') | |
| v3v34v73v69.write(v3v19v57v10) | |
| v0v61v17=v3v10v27v12(v0v69v72) | |
| del v3v17v25v21 | |
| v3v34v73v69.close() | |
| for v0v61v74,val in v0v56v39.items(): | |
| v0v56v39[v0v61v74]=val%0xffff | |
| v59v8('registers: '+v3v10v27v13(v0v56v39)) | |
| v59v8('-'*60) | |
| return | |
| if __name__=='__main__': | |
| with v0v33v34(v0v1v35[1],'rb')as v3v10v27v12: | |
| v3v10v75v1=v3v10v27v12.read() | |
| v3v5v18v10(v3v10v75v1) |
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