diff --git a/external/source/shellcode/windows/x86/build.py b/external/source/shellcode/windows/x86/build.py old mode 100644 new mode 100755 index 89ce75339e..e2e6a14533 --- a/external/source/shellcode/windows/x86/build.py +++ b/external/source/shellcode/windows/x86/build.py @@ -1,3 +1,4 @@ +#!/usr/bin/env python3 #=============================================================================# # A simple python build script to build the singles/stages/stagers and # some usefull information such as offsets and a hex dump. The binary output @@ -17,111 +18,109 @@ from subprocess import Popen from struct import pack #=============================================================================# def clean( dir="./bin/" ): - for root, dirs, files in os.walk( dir ): - for name in files: - os.remove( os.path.join( root, name ) ) + for root, dirs, files in os.walk( dir ): + for name in files: + if name != '.keep': + os.remove( os.path.join( root, name ) ) #=============================================================================# def locate( src_file, dir="./src/" ): - for root, dirs, files in os.walk( dir ): - for name in files: - if src_file == name: - return root - return None + for root, dirs, files in os.walk( dir ): + for name in files: + if src_file == name: + return root + return None #=============================================================================# def build( name ): - location = locate( "%s.asm" % name ) - if location: - input = os.path.normpath( os.path.join( location, name ) ) - output = os.path.normpath( os.path.join( "./bin/", name ) ) - p = Popen( ["nasm", "-f bin", "-O3", "-o %s.bin" % output, "%s.asm" % input ] ) - p.wait() - xmit( name ) - else: - print("[-] Unable to locate '%s.asm' in the src directory" % name) + location = locate( "%s.asm" % name ) + if location: + input = os.path.normpath( os.path.join( location, name ) ) + output = os.path.normpath( os.path.join( "./bin/", name ) ) + p = Popen( ["nasm", "-f bin", "-O3", "-o %s.bin" % output, "%s.asm" % input ] ) + p.wait() + xmit( name ) + else: + print("[-] Unable to locate '%s.asm' in the src directory" % name) #=============================================================================# def xmit_dump_ruby( data, length=16 ): - dump = "" - for i in range( 0, len( data ), length ): - bytes = data[ i : i+length ] - hex = "\"%s\"" % ( ''.join( [ "\\x%02X" % ord(x) for x in bytes ] ) ) - if i+length <= len(data): - hex += " +" - dump += "%s\n" % ( hex ) - print(dump) + dump = "" + for i in range( 0, len( data ), length ): + bytes = data[ i : i+length ] + hex = "\"%s\"" % ( ''.join( [ "\\x%02X" % x for x in bytes ] ) ) + if i+length <= len(data): + hex += " +" + dump += "%s\n" % ( hex ) + print(dump) #=============================================================================# def xmit_offset( data, name, value, match_offset=0 ): - offset = data.find( value ); - if offset != -1: - print("# %s Offset: %d" % ( name, offset + match_offset )) + offset = data.find( value ); + if offset != -1: + print("# %s Offset: %d" % ( name, offset + match_offset )) #=============================================================================# def xmit( name, dump_ruby=True ): - bin = os.path.normpath( os.path.join( "./bin/", "%s.bin" % name ) ) - f = open( bin, 'rb') - data = f.read() - print("# Name: %s\n# Length: %d bytes" % ( name, len( data ) )) - xmit_offset( data, "Port", pack( ">H", 4444 ) ) # 4444 - xmit_offset( data, "LEPort", pack( "L", 0x7F000001 ) ) # 127.0.0.1 - xmit_offset( data, "IPv6Host", pack( "H", 0x1122 ) ) # Egg tag size - xmit_offset( data, "RC4Key", "RC4KeyMetasploit") # RC4 key - xmit_offset( data, "XORKey", "XORK") # XOR key - if( name.find( "egghunter" ) >= 0 ): - null_count = data.count( "\x00" ) - if( null_count > 0 ): - print("# Note: %d NULL bytes found." % ( null_count )) - if dump_ruby: - xmit_dump_ruby( data ) + bin = os.path.normpath( os.path.join( "./bin/", "%s.bin" % name ) ) + f = open( bin, 'rb') + data = bytearray(f.read()) + print("# Name: %s\n# Length: %d bytes" % ( name, len( data ) )) + xmit_offset( data, "Port", pack( ">H", 4444 ) ) # 4444 + xmit_offset( data, "LEPort", pack( "L", 0x7F000001 ) ) # 127.0.0.1 + xmit_offset( data, "IPv6Host", pack( "H", 0x1122 ) ) # Egg tag size + xmit_offset( data, "RC4Key", b"RC4KeyMetasploit") # RC4 key + xmit_offset( data, "XORKey", b"XORK") # XOR key + if( name.find( "egghunter" ) >= 0 ): + null_count = data.count( "\x00" ) + if( null_count > 0 ): + print("# Note: %d NULL bytes found." % ( null_count )) + if dump_ruby: + xmit_dump_ruby( data ) #=============================================================================# def main( argv=None ): - if not argv: - argv = sys.argv - try: - if len( argv ) == 1: - print("Usage: build.py [clean|all|]") - else: - print("# Built on %s\n" % ( time.asctime( time.localtime() ) )) - if argv[1] == "clean": - clean() - elif argv[1] == "all": - for root, dirs, files in os.walk( "./src/egghunter/" ): - for name in files: - build( name[:-4] ) - for root, dirs, files in os.walk( "./src/migrate/" ): - for name in files: - build( name[:-4] ) - for root, dirs, files in os.walk( "./src/single/" ): - for name in files: - build( name[:-4] ) - for root, dirs, files in os.walk( "./src/stage/" ): - for name in files: - build( name[:-4] ) - for root, dirs, files in os.walk( "./src/stager/" ): - for name in files: - build( name[:-4] ) - for root, dirs, files in os.walk( "./src/kernel/" ): - for name in files: - build( name[:-4] ) - else: - build( argv[1] ) - except Exception as e: - print("[-] ", e) + if not argv: + argv = sys.argv + if len( argv ) == 1: + print("Usage: build.py [clean|all|]") + else: + print("# Built on %s\n" % ( time.asctime( time.localtime() ) )) + if argv[1] == "clean": + clean() + elif argv[1] == "all": + for root, dirs, files in os.walk( "./src/egghunter/" ): + for name in files: + build( name[:-4] ) + for root, dirs, files in os.walk( "./src/migrate/" ): + for name in files: + build( name[:-4] ) + for root, dirs, files in os.walk( "./src/single/" ): + for name in files: + build( name[:-4] ) + for root, dirs, files in os.walk( "./src/stage/" ): + for name in files: + build( name[:-4] ) + for root, dirs, files in os.walk( "./src/stager/" ): + for name in files: + build( name[:-4] ) + for root, dirs, files in os.walk( "./src/kernel/" ): + for name in files: + build( name[:-4] ) + else: + build( argv[1] ) #=============================================================================# if __name__ == "__main__": main()