laokoon

LaokoonHaxorcist/rev_threekeys/ape.c

@@ -0,0 +1,60 @@
+#include <openssl/aes.h>
+
+
+KEY1 = { 0xf2, 0xe7, 0xbf, 0xd7, 0x53, 0xc6, 0x4b, 0x26, 0x97, 0xf9, 0x69, 0x87, 0xe6, 0x84, 0x28, 0xe8 }
+KEY2 = { 0xdc, 0xf9, 0x90, 0x26, 0x92, 0x27, 0x33, 0x67, 0x24, 0x08, 0xc6, 0x45, 0x51, 0xc7, 0x3a, 0x33 }
+KEY3 = { 0xee, 0x31, 0xce, 0xd8, 0x10, 0x70, 0x40, 0xa0, 0xd9, 0x53, 0xcf, 0x57, 0x32, 0x79, 0x73, 0xd5 }
+int decrypt(EVP_PKEY_CTX *ctx,uchar *out,size_t *outlen,uchar *in,size_t inlen)
+
+{
+  int local_c;
+  
+  for (local_c = 0; local_c < (int)outlen; local_c = local_c + 1) {
+    AES_decrypt((uchar *)(ctx + (local_c << 4)),out + (local_c << 4),(AES_KEY *)in);
+  }
+  return local_c;
+}
+
+
+
+AES_KEY * the_third_key(void)
+
+{
+  AES_KEY *key;
+  
+  key = (AES_KEY *)malloc(0xf4);
+  AES_set_decrypt_key(KEY1,0x80,key);
+  return key;
+}
+
+
+AES_KEY * the_second_key(void)
+
+{
+  AES_KEY *key;
+  
+  key = (AES_KEY *)malloc(0xf4);
+  AES_set_decrypt_key(KEY2,0x80,key);
+  return key;
+}
+
+
+AES_KEY * the_first_key(void)
+
+{
+  AES_KEY *key;
+  
+  key = (AES_KEY *)malloc(0xf4);
+  AES_set_decrypt_key(KEY3,0x80,key);
+  return key;
+}
+
+int main(){
+    undefined8 *crypt;
+    crypt = (undefined8 *)malloc(0x20);
+    FLAG = (char *)malloc(0x20);
+    *crypt = 0xa646484365c8eb8c;
+    crypt[1] = 0x9f803f2f42e80598;
+    crypt[2] = 0x3ed81a287db3c9a8;
+    crypt[3] = 0x6cb78fe92b1abaaa;
+}