diff --git a/main.s b/main.s
index 08aa7a1..155e949 100644
--- a/main.s
+++ b/main.s
@@ -38,7 +38,8 @@
 # CONSTS
 
 .equ BYTES_TO_READ, 1024
-.equ PATTERN_LEN, 7
+.equ SCAN_ADVANCE, 960
+.equ PATTERN_LEN, 11
 .equ BYTE_TO_WRITE, 0xc3
 
 _start:
@@ -338,6 +339,7 @@ strcmp_file:
     loop strcmp_file
 
 found_file:
+    movq $0, end_addr
     lea start_addr_buff, %r12
     lea start_addr, %r13
     mov $0, %r14
@@ -377,7 +379,7 @@ done_converting:
     lea end_addr, %r13
     mov $0, %r14
 
-    cmpq $0, %r13
+    cmpq $0, (%r13)
     je convert_addr
 
     movq start_addr, %r12
@@ -385,7 +387,7 @@ done_converting:
 
 loop_addr_range:
     cmpq %r12, %r13
-    je clear_line
+    jbe clear_line
 
 read_mem:
     subq $32, %rsp
@@ -430,7 +432,7 @@ loop_read_mem:
 sig_scan:
     movq sig_scan_cnt, %rax
 
-    cmp $PATTERN_LEN - 1, %rax
+    cmp $PATTERN_LEN, %rax
     je found_match
 
 
@@ -453,7 +455,32 @@ sig_scan:
     jmp sig_scan
 
 found_match:  
-    addq loop_read_mem_cnt, %r12
+    movq loop_read_mem_cnt, %rax
+
+backwards_loop:
+    decq %rax
+    cmpq $0, %rax
+    jl failed_match
+
+    leaq mem_read_buff(%rip), %rbp
+    addq %rax, %rbp
+
+    cmpb $0x31, 0(%rbp)
+    jne backwards_loop
+    cmpb $0xc0, 1(%rbp)
+    jne backwards_loop
+    cmpb $0x48, 2(%rbp)
+    jne backwards_loop
+    cmpb $0x85, 3(%rbp)
+    jne backwards_loop
+    cmpb $0xf6, 4(%rbp)
+    jne backwards_loop
+    cmpb $0x0f, 5(%rbp)
+    jne backwards_loop
+    cmpb $0x84, 6(%rbp)
+    jne backwards_loop
+
+    addq %rax, %r12
     addq $2, %r12
 
     jmp write_mem
@@ -463,7 +490,7 @@ failed_match:
     jmp loop_read_mem 
 
 continue_loop_addr_range:
-    addq $1024, %r12
+    addq $SCAN_ADVANCE, %r12
     jmp loop_addr_range
 
 write_mem:
@@ -537,15 +564,29 @@ write_mem:
     mov $patched_msg_len, %rdx
     syscall
 
-exit:
     mov $SYS_CLOSE, %rax
     mov maps_fd, %rdi
     syscall
 
-    mov $SYS_EXIT, %rax 
+    mov $SYS_EXIT, %rax
     mov $0, %rdi
     syscall
 
+exit:
+    mov $SYS_WRITE, %rax
+    mov $1, %rdi
+    mov $not_found_msg, %rsi
+    mov $not_found_msg_len, %rdx
+    syscall
+
+    mov $SYS_CLOSE, %rax
+    mov maps_fd, %rdi
+    syscall
+
+    mov $SYS_EXIT, %rax
+    mov $1, %rdi
+    syscall
+
 .bss
     dirent_buff:        .space 8129
     cmdline_buff:       .space 512
@@ -575,7 +616,7 @@ exit:
 
     read_word:          .quad 0
 
-    pattern_bytes:      .byte 49, 192, 72, 133, 246, 15, 132
+    pattern_bytes:      .byte 199, 69, 212, 255, 255, 255, 255, 199, 69, 216, 255
 
     proc_dir:           .asciz "/proc"
     maps_file:          .asciz "maps"
@@ -591,3 +632,6 @@ exit:
 
     patched_msg:        .asciz "Patched!\n"
     patched_msg_len =.- patched_msg
+
+    not_found_msg:      .asciz "Pattern not found!\n"
+    not_found_msg_len =.- not_found_msg