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Re: What Thinkest Thou Of LO Donate Banner?

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On 2025-12-03 17:39, John Ames wrote:
> On Tue, 2 Dec 2025 20:13:15 -0000 (UTC)
> Gremlin <nobody@haph.org> wrote:
> 
>>> Interesting - I'm curious how common that actually was back in the
>>> day, though? I don't recall a lot of DOS applications that I used
>>> chaining from one EXE to another, unless you were really into
>>> launcher-menu type utilities; most of what I remember was single
>>> EXEs for the main program plus accessory EXEs for configuration
>>> (i.e. the inevitable SOUNDSET.EXE and its ilk,) and transfer of
>>> control was usually mediated by a *.BAT launcher script.
>>
>> It was common enough to be known amongst every coder I knew. Some
>> programmers too. Take some of the multi floppy install packages for
>> example. Some decrypted the necessary materials as they built the
>> primary file on your computer. The primary file wouldn't always have
>> a proper executable extension, but, it was still actually an .EXE
>> most of the time.
> 
> Huh, I'm trying to model what an exploit would look like here - who &
> what would be vulnerable to this? Obviously you *can* create a disk
> file with a non-EXE extension & whatever contents you want, but under
> what circumstances is another program gonna call the load-and-execute
> routine on any arbitrary filename (other than, as mentioned, app-menu
> utilities or command-shell alternatives?) Or if the game is to replace
> one of an application suite's own I-can't-believe-it's-not-EXEs with a
> Trojan, which developers bothered to mask their secondary EXEs under a
> different extension, and why...?
> 
> (I mean, yes, installers might well build a final EXE from smaller
> and/or compressed/encrypted chunks, but the *resulting* file would
> normally still have an EXE extension, and be invoked the usual way.)
> 
> Not saying that it doesn't make sense to check files on a better-safe-
> than-sorry heuristic, just trying to figure out how you'd get to the
> point of pulling that kind of trick in the first place...

With mail software, it was common enough to try:

beautiful postcard.jpg..................exe

but this was a different trick. The other type I have not seen it.

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-02 20:13 +0000
  Re: What Thinkest Thou Of LO Donate Banner? John Ames <commodorejohn@gmail.com> - 2025-12-03 08:39 -0800
    Re: What Thinkest Thou Of LO Donate Banner? "Carlos E.R." <robin_listas@es.invalid> - 2025-12-03 19:42 +0100
    Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-03 22:03 +0000
      Re: What Thinkest Thou Of LO Donate Banner? Brock McNuggets <brock.mcnuggets@gmail.com> - 2025-12-03 22:36 +0000
        Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-04 03:05 +0000
          Re: What Thinkest Thou Of LO Donate Banner? Brock McNuggets <brock.mcnuggets@gmail.com> - 2025-12-04 14:24 +0000
            Re: What Thinkest Thou Of LO Donate Banner? The Natural Philosopher <tnp@invalid.invalid> - 2025-12-04 14:35 +0000
              Re: What Thinkest Thou Of LO Donate Banner? John Ames <commodorejohn@gmail.com> - 2025-12-04 08:21 -0800
                Re: What Thinkest Thou Of LO Donate Banner? The Natural Philosopher <tnp@invalid.invalid> - 2025-12-04 18:05 +0000
                Re: What Thinkest Thou Of LO Donate Banner? John Ames <commodorejohn@gmail.com> - 2025-12-04 10:09 -0800
                Re: What Thinkest Thou Of LO Donate Banner? The Natural Philosopher <tnp@invalid.invalid> - 2025-12-04 19:09 +0000
                Re: What Thinkest Thou Of LO Donate Banner? John Ames <commodorejohn@gmail.com> - 2025-12-04 11:11 -0800
                Re: What Thinkest Thou Of LO Donate Banner? The Natural Philosopher <tnp@invalid.invalid> - 2025-12-04 19:55 +0000
                Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-04 22:47 +0000
                Re: What Thinkest Thou Of LO Donate Banner? Brock McNuggets <brock.mcnuggets@gmail.com> - 2025-12-05 00:15 +0000
              Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-04 22:48 +0000
                Re: What Thinkest Thou Of LO Donate Banner? Brock McNuggets <brock.mcnuggets@gmail.com> - 2025-12-05 00:14 +0000
            Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-04 22:47 +0000
              Re: What Thinkest Thou Of LO Donate Banner? Brock McNuggets <brock.mcnuggets@gmail.com> - 2025-12-05 00:16 +0000
      Re: What Thinkest Thou Of LO Donate Banner? John Ames <commodorejohn@gmail.com> - 2025-12-03 14:41 -0800
        Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-04 03:05 +0000
      Re: What Thinkest Thou Of LO Donate Banner? vallor <vallor@vallor.earth> - 2025-12-07 04:01 +0000
        Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-08 02:32 +0000
          Re: What Thinkest Thou Of LO Donate Banner? vallor <vallor@vallor.earth> - 2025-12-08 04:36 +0000
            Re: What Thinkest Thou Of LO Donate Banner? vallor <vallor@vallor.earth> - 2025-12-08 14:30 +0000
              Re: What Thinkest Thou Of LO Donate Banner? pothead <pothead@snakebite.com> - 2025-12-08 23:21 +0000
                Re: What Thinkest Thou Of LO Donate Banner? The Natural Philosopher <tnp@invalid.invalid> - 2025-12-09 10:01 +0000
                Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-10 01:37 +0000
                Re: What Thinkest Thou Of LO Donate Banner? pothead <pothead@snakebite.com> - 2025-12-10 18:13 +0000
                Re: What Thinkest Thou Of LO Donate Banner? Brock McNuggets <brock.mcnuggets@gmail.com> - 2025-12-10 20:06 +0000
                Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-12 07:44 +0000
                Re: What Thinkest Thou Of LO Donate Banner? Daniel70 <daniel47@nomail.afraid.org> - 2025-12-12 22:39 +1100
                Re: What Thinkest Thou Of LO Donate Banner? The Natural Philosopher <tnp@invalid.invalid> - 2025-12-12 12:18 +0000
              SYSCALL "Carlos E.R." <robin_listas@es.invalid> - 2025-12-10 14:01 +0100
            Re: What Thinkest Thou Of LO Donate Banner? Gremlin <nobody@haph.org> - 2025-12-10 01:37 +0000

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