Kill Process Anti-Monitoring

Malware often employs techniques to evade detection and hinder the efforts of security experts in analyzing its behavior. One notable method involves terminating processes associated with anti-virus software or monitoring tools.

For example, malware may specifically target processes like wireshark.exe, ida.exe, or procmon.exe, which are frequently used by analysts to observe and scrutinize running processes on a system. By …

Detecting Running Process: EnumProcess API Sandbox Evasion Anti-Debugging Anti-Monitoring

Anti-monitoring is a technique used by malware to prevent security professionals from detecting and analyzing it. One way that malware can accomplish this is by using the EnumProcess function to search for specific processes, such as ollydbg.exe or wireshark.exe, which are commonly used by security professionals to monitor and analyze running processes on a system.

By detecting these processes …

Bad String Format Anti-Debugging

Bad string format is a technique used by malware to evade detection and analysis by OllyDbg, a popular debugger used by security researchers and analysts. This technique involves using malformed strings that exploit a known bug in OllyDbg, causing the debugger to crash or behave unexpectedly.

For example, the malware may use a string with multiple %s inputs, which …

Domain Generation Algorithm Network Evasion

Domain generation algorithms (DGAs) are algorithms used by malware to generate a large number of domain names that can be used as communication channels with their command and control servers. These domain names are generated periodically, typically using a pseudorandom number generator.

The use of DGAs makes it difficult for law enforcement and other security actors to shut down …

Peer to peer C2 Network Evasion

Peer-to-peer (P2P) botnets are a type of botnet that uses a decentralized network structure, without a central command and control (C&C) server. Each infected machine in a P2P botnet maintains a list of other trusted computers (including other infected machines), as well as information drop locations and locations where the malware can be updated. Some P2P botnets also use encryption …

Hide Artifacts: Hidden Window Defense Evasion [Mitre]

Adversaries may use hidden windows to conceal malicious activity from the plain sight of users. In some cases, windows that would typically be displayed when an application carries out an operation can be hidden. This may be utilized by system administrators to avoid disrupting user work environments when carrying out administrative tasks.

On Windows, there are a variety of …