004B3552		call	sub_4DC390		; _strlen RN
004B3557		cmp	eax, 0Ch
004B355A		pop	ecx
004B355B		jle	short loc_4B3593	; if len (RN) <=12 then jmp "...bad RN"
004B355D		cmp	eax, 40h
004B3560		jge	short loc_4B3593	;if len (RN) >=40 then jmp "...bad RN"
004B3562		lea	eax, [ebp+var_4]
004B3565		push	eax
004B3566		push	edi
004B3567		call	sub_48DEA9		; !интересно
004B356C		mov	ebx, eax
004B356E		pop	ecx
004B356F		test	ebx, ebx
004B3571		pop	ecx
004B3572		jz	short loc_4B3593	; if [ebx] = 0 then jmp "...bad RN"
004B3574		mov	eax, dword_505F58
004B3579		test	eax, eax
004B357B		jz	short loc_4B3593	; if [dword_505F58] = 0 then jmp "...bad RN"
004B357D		lea	ecx, [esi+264h]