Uncovering a Hidden Compiler Backdoor on a 3B2 System – A Day‑by‑Day Debugging Saga

A programmer hired to fix a quirky questionnaire program on an old 3B2 machine discovers that the source code repeatedly reverts, the curses library is tampered, and ultimately a malicious compiler injects backdoor code, leading to a multi‑day forensic investigation and replacement of the toolchain.

CompilerInformation SecurityReverse Engineering

0 likes · 9 min read

Uncovering a Hidden Compiler Backdoor on a 3B2 System – A Day‑by‑Day Debugging Saga

21CTO

Dec 17, 2015 · Mobile Development

How Qingting FM Tricks DAU Metrics: Inside Its Hidden Android Processes

This article dissects Qingting FM’s Android app, revealing how it spawns multiple background services, launches invisible activities, and uses hidden WebViews to fake daily active users and ad impressions, while providing step‑by‑step reverse‑engineering instructions for developers.

Ad FraudAndroidDAU manipulation

0 likes · 12 min read

How Qingting FM Tricks DAU Metrics: Inside Its Hidden Android Processes

ITPUB

Nov 6, 2015 · Information Security

How I Decompiled a Malicious Android App and Uncovered Its Hidden Email Spy

A user received a suspicious SMS with a malicious app link, prompting an analyst to download, decompile, and dissect the Android malware, revealing hidden Device Admin permissions, obfuscated code, DES-encrypted credentials, and the attacker’s email address, ultimately exposing how the trojan steals personal data.

AndroidDES EncryptionInformation Security

0 likes · 4 min read

How I Decompiled a Malicious Android App and Uncovered Its Hidden Email Spy